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Pan Y, Pan X, Zhuang D, Zhou Y, Xue J, Wu S, Chen C, Li H. A statistical investigation of parameters associated with low cell-free fetal DNA fraction in maternal plasma for noninvasive prenatal testing. J Matern Fetal Neonatal Med 2024; 37:2338440. [PMID: 38604949 DOI: 10.1080/14767058.2024.2338440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 03/27/2024] [Indexed: 04/13/2024]
Abstract
BACKGROUND Noninvasive prenatal testing (NIPT) is the most common method for prenatal aneuploidy screening. Low fetal fraction (LFF) is the primary reason for NIPT failure. Consequently, factors associated with LFF should be elucidated for optimal clinical implementation of NIPT. METHODS In this study, NIPT data from January 2019 to December 2022 from the laboratory records and obstetrical and neonatal data from the electronic medical records were collected and analyzed. Subjects with FF >3.50% were assigned to the control group, subjects with FF <3.50% once were assigned to the LFF group, and subjects with FF <3.50% twice were assigned to the repetitive low fetal fraction (RLFF) group. Factors, including body mass index (BMI), gestational age, maternal age, twin pregnancy, and in vitro fertilization (IVF) known to be associated with LFF were assessed by Kruskal-Wallis H test and logistic regression. Clinical data on first trimester pregnancy-associated plasma protein-A (PAPP-A), beta-human chorionic gonadotropin (β-hCG), gestational age at delivery, birth weight at delivery, and maternal diseases were obtained from the hospital's prenatal and neonatal screening systems (twin pregnancy was not included in the data on gestational age at delivery and the control group did not include data on maternal diseases.), and were analyzed using Kruskal-Wallis H test and Chi-square test. RESULTS Among the total of 63,883 subjects, 63,605 subjects were assigned to the control group, 197 subjects were assigned to the LFF group, and 81 subjects were assigned to the RLFF group. The median of BMI in the three groups was 22.43 kg/m2 (control), 25.71 kg/m2 (LFF), and 24.54 kg/m2 (RLFF). The median gestational age in the three groups was 130 days (control), 126 days (LFF), and 122/133 days (RLFF). The median maternal age in the three groups was 29 (control), 29 (LFF), and 33-years-old (RLFF). The proportion of twin pregnancies in the three groups was 3.3% (control), 10.7% (LFF), and 11.7% (RLFF). The proportion of IVF in the three groups was 4.7% (control), 11.7% (LFF), and 21.3% (RLFF). The factors significantly associated with LFF included BMI [2.18, (1.94, 2.45), p < 0.0001], gestational age [0.76, (0.67, 0.87), p < 0.0001], twin pregnancy [1.62, (1.02, 2.52), p = 0.0353], and IVF [2.68, (1.82, 3.86), p < 0.0001]. The factors associated with RLFF included maternal age [1.54, (1.17, 2.05), p = 0.0023] and IVF [2.55, (1.19, 5.54), p = 0.016]. Multiples of the median (MOM) value of β-hCG and pregnant persons' gestational age at delivery were significantly decreased in the LFF and RLFF groups compared to the control group. CONCLUSION According to our findings based on the OR value, factors associated strongly with LFF include a high BMI and the use of IVF. Factors associated less strongly with LFF include early gestational age and twin pregnancy, while advanced maternal age and IVF were independent risk factors for a second LFF result.
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Affiliation(s)
- Yun Pan
- The Central Laboratory of Birth Defects Prevention and Control, Women and Children's Hospital of Ningbo University, Ningbo, China
- Ningbo Key Laboratory for the Prevention and Treatment of Embryogenic Diseases, Women and Children's Hospital of Ningbo University, Ningbo, China
| | - Xiaoli Pan
- The Central Laboratory of Birth Defects Prevention and Control, Women and Children's Hospital of Ningbo University, Ningbo, China
- Ningbo Key Laboratory for the Prevention and Treatment of Embryogenic Diseases, Women and Children's Hospital of Ningbo University, Ningbo, China
| | - Danyan Zhuang
- The Central Laboratory of Birth Defects Prevention and Control, Women and Children's Hospital of Ningbo University, Ningbo, China
- Ningbo Key Laboratory for the Prevention and Treatment of Embryogenic Diseases, Women and Children's Hospital of Ningbo University, Ningbo, China
| | - Ying Zhou
- The Central Laboratory of Birth Defects Prevention and Control, Women and Children's Hospital of Ningbo University, Ningbo, China
- Ningbo Key Laboratory for the Prevention and Treatment of Embryogenic Diseases, Women and Children's Hospital of Ningbo University, Ningbo, China
| | - Jiangyang Xue
- The Central Laboratory of Birth Defects Prevention and Control, Women and Children's Hospital of Ningbo University, Ningbo, China
- Ningbo Key Laboratory for the Prevention and Treatment of Embryogenic Diseases, Women and Children's Hospital of Ningbo University, Ningbo, China
| | - Shanshan Wu
- Paediatric Surgery Center, Women and Children's Hospital of Ningbo University, Ningbo, China
| | - Changshui Chen
- Ningbo Key Laboratory for the Prevention and Treatment of Embryogenic Diseases, Women and Children's Hospital of Ningbo University, Ningbo, China
| | - Haibo Li
- The Central Laboratory of Birth Defects Prevention and Control, Women and Children's Hospital of Ningbo University, Ningbo, China
- Ningbo Key Laboratory for the Prevention and Treatment of Embryogenic Diseases, Women and Children's Hospital of Ningbo University, Ningbo, China
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Marques LJP, Silva ZPD, Alencar GP, Paixão ESD, Blencowe H, de Almeida MF. Prevalence and risk of stillbirth according to biologic vulnerability phenotypes in the municipality of São Paulo, Brazil: A population-based cohort study. Int J Gynaecol Obstet 2024; 165:442-452. [PMID: 37712560 DOI: 10.1002/ijgo.15102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 07/28/2023] [Accepted: 08/22/2023] [Indexed: 09/16/2023]
Abstract
OBJECTIVE To estimate the prevalence and risk of stillbirths by biologic vulnerability phenotypes in a cohort of pregnant women in the municipality of São Paulo, Brazil, 2017-2019. METHODS Retrospective population-based cohort study. Fetuses were assessed as small for gestational age (SGA), large for gestational age (LGA), adequate for gestational age (AGA), preterm (PT) as less than 37 weeks of gestation, non-PT (NPT) as 37 weeks of gestation or more, low birth weight (LBW) as less than 2500 g, and non-LBW (NLBW) as 2500 g or more. Relative risks (RR) with robust variance were estimated using Poisson regression. RESULTS In all 442 782 pregnancies, including 2321 (0.5%) stillbirths, were included. About 85% (n = 1983) of stillbirths had at least one characteristic of vulnerability, compared with 21% (n = 92524) of live births. Fetuses with all three markers of vulnerability had the highest adjusted RR of stillbirth-SGA + LBW + PT (RR 155.00; 95% confidence interval [CI] 136.29-176.30) and LGA + LBW + PT (RR 262.04; 95% CI 206.10-333.16) when compared with AGA + NLBW + NPT. CONCLUSION Our findings show that the simultaneous presence of prematurity, low birth weight, and abnormal intrauterine growth presented a higher risk of stillbirths. To accelerate progress towards reducing preventable stillbirths, one must identify the circumstances of greatest biologic vulnerability.
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Affiliation(s)
| | - Zilda Pereira da Silva
- Department of Epidemiology, School of Public Health, University of São Paulo, São Paulo, Brazil
| | | | - Enny Santos da Paixão
- Center for Data and Knowledge Integration for Health (CIDACS), Gonçalo Moniz Institute, Oswaldo Cruz Foundation, Bahia, Salvador, Brazil
- Infectious Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, UK
| | - Hannah Blencowe
- Maternal Adolescent Reproductive & Child Health (MARCH) Centre, London School of Hygiene & Tropical Medicine, London, UK
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Sejer EPF, Ladelund AK, Bruun FJ, Slavensky JA, Mortensen EL, Kesmodel US. Preterm birth and subsequent intelligence and academic performance in youth: A cohort study. Acta Obstet Gynecol Scand 2024; 103:850-861. [PMID: 38348635 PMCID: PMC11019527 DOI: 10.1111/aogs.14796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 01/17/2024] [Accepted: 01/21/2024] [Indexed: 04/17/2024]
Abstract
INTRODUCTION Worldwide, more children than before survive preterm birth. Preterm birth can affect long-term cognitive outcomes. The aim of our study was to investigate the association between preterm birth and academic performance and intelligence in youth. MATERIAL AND METHODS This cohort study included all liveborn children in Denmark from 1978 to 2000. We used uni- and multivariable logistic and linear regressions to analyze associations between gestational age and school graduation, grade point average (GPA), attending conscription, and male intelligence scores at conscription. We adjusted for a priori defined potential confounders. RESULTS The study included 1 450 681 children and found an association between preterm birth and lower academic performance, with children born extremely preterm having the lowest odds of graduating from lower- and upper secondary education (LSE and USE) and appearing before the conscription board (odds ratios of 0.45 [0.38-0.54], 0.52 [0.46-0.59], and 0.47 [0.39-0.56] for LSE, USE, and conscription, respectively, compared to the term group). Statistically significant differences were observed in LSE for total GPA and core subject GPA with higher GPAs in the term group, which were considered clinically relevant for mathematics with a 0.71 higher grade point for the term compared to the extremely preterm. Conversely, USE differences were less evident, and in linear regression models we found that preterm birth was associated with higher GPAs in the adjusted analyses; however, this was not statistically significant. We demonstrated statistically significant differences in intelligence scores at conscription with lower scores in the three preterm groups (-5.13, -2.73, and - 0.76, respectively) compared to the term group. CONCLUSIONS Low gestational age at birth was associated with not graduating from LSE and USE, achieving lower GPAs in LSE, not attending conscription, and lower intelligence scores in young adulthood. The findings remained significant after adjusting for potential confounders.
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Affiliation(s)
| | | | - Frederik Jager Bruun
- Department of Obstetrics and GynecologyHerlev and Gentofte HospitalHerlevDenmark
| | - Julie Anna Slavensky
- Department of Obstetrics and GynecologyHerlev and Gentofte HospitalHerlevDenmark
| | | | - Ulrik Schiøler Kesmodel
- Department of Obstetrics and GynecologyHerlev and Gentofte HospitalHerlevDenmark
- Department of Obstetrics and GynecologyAalborg University HospitalAalborgDenmark
- Department of Clinical MedicineAalborg UniversityAalborgDenmark
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Mathewlynn S, Kitmiridou D, Impey L, Ioannou C. The impact of late pregnancy dating on the detection of fetal growth restriction at term. Acta Obstet Gynecol Scand 2024; 103:938-945. [PMID: 38240293 PMCID: PMC11019509 DOI: 10.1111/aogs.14769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 12/11/2023] [Accepted: 12/19/2023] [Indexed: 04/17/2024]
Abstract
INTRODUCTION The inaccuracy of late pregnancy dating is often discussed, and the impact on diagnosis of fetal growth restriction is a concern. However, the magnitude and direction of this effect has not previously been demonstrated. In this study, we aimed to investigate the effect of late pregnancy dating by head circumference on the detection of late onset growth restriction, compared to first trimester crown-rump length dating. MATERIAL AND METHODS This was a cohort study of 14 013 pregnancies receiving obstetric care at a tertiary center over a three-year period. Universal scans were performed at 12 weeks, including crown-rump length; at 20 weeks including fetal biometry; and at 36 weeks, where biometry, umbilical artery doppler and cerebroplacental ratio were used to determine the incidence of fetal growth restriction according to the Delphi consensus. For the entire cohort, the gestational age was first calculated using T1 dating; and was then recalculated using head circumference at 20 weeks (T2 dating); and at 36 weeks (T3 dating). The incidence of fetal growth restriction following T2 and T3 dating was compared to T1 dating using four-by-four sensitivity tables. RESULTS When the cohort was redated from T1 to T2, the median gestation at delivery changed from 40 + 0 to 40 + 2 weeks (p < 0.001). When the cohort was redated from T1 to T3, the median gestation at delivery changed from 40 + 0 to 40 + 3 weeks (p < 0.001). T2 dating resulted in fetal growth restriction sensitivity of 80.2% with positive predictive value of 78.8% compared to T1 dating. T3 dating resulted in sensitivity of 8.6% and positive predictive value of 27.7%, respectively. The sensitivity of abnormal CPR remained high despite T2 and T3 redating; 98.0% and 89.4%, respectively. CONCLUSIONS Although dating at 11-14 weeks is recommended, late pregnancy dating is sometimes inevitable, and this can prolong the estimated due date by an average of two to three days. One in five pregnancies which would be classified as growth restricted if the pregnancy was dated in the first trimester, will be reclassified as nongrowth restricted following dating at 20 weeks, whereas nine out of 10 pregnancies will be reclassified as non-growth restricted with 36-week dating.
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Affiliation(s)
- Sam Mathewlynn
- Oxford University Hospitals NHS Foundation Trust, John Radcliffe HospitalOxfordUK
- Nuffield Department of Women's Reproductive Health, John Radcliffe HospitalOxford UniversityOxfordUK
| | - Despoina Kitmiridou
- Oxford University Hospitals NHS Foundation Trust, John Radcliffe HospitalOxfordUK
| | - Lawrence Impey
- Nuffield Department of Women's Reproductive Health, John Radcliffe HospitalOxford UniversityOxfordUK
- Department of Fetal Medicine, John Radcliffe HospitalOxford University Hospitals NHS TrustOxfordUK
| | - Christos Ioannou
- Nuffield Department of Women's Reproductive Health, John Radcliffe HospitalOxford UniversityOxfordUK
- Department of Fetal Medicine, John Radcliffe HospitalOxford University Hospitals NHS TrustOxfordUK
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Berggren SS, Dahlgren J, Andersson O, Bergman S, Roswall J. Reference limits for osteocalcin in infancy and early childhood: A longitudinal birth cohort study. Clin Endocrinol (Oxf) 2024; 100:399-407. [PMID: 38385947 DOI: 10.1111/cen.15036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/26/2024] [Accepted: 02/08/2024] [Indexed: 02/23/2024]
Abstract
OBJECTIVE The longitudinal variations in serum levels of the hormone osteocalcin is largely unknown during infancy and early childhood. Our aim was to establish reference limits for total serum osteocalcin during specific time points from birth until 5 years of age and present those in the context of sex, breastfeeding practices and gestational age (GA). DESIGN Blood samples from 551 Swedish children were analysed at birth, 4, 12, 36 and 60 months of age. Total serum osteocalcin was measured using the IDS-iSYS N-MID Osteocalcin assay technique. Information about the mother, birth, anthropometrics and a food diary were collected. RESULTS Sex-specific and age-specific reference limits were established for the five time points. The median osteocalcin levels over time were 40.8, 90.0, 67.8, 62.2 and 80.9 μg/L for boys and 38.1, 95.5, 78.3, 73.9 and 92.6 μg/L for girls. Lower GA was associated to higher osteocalcin at birth, and ongoing breastfeeding was associated to higher osteocalcin levels. CONCLUSION Osteocalcin followed a wavelike pattern with low levels in the umbilical cord and a postnatal peak during the first year which then declined and rose again by the age of five. Knowledge of this wavelike pattern and association to factors as sex, breastfeeding and GA may help clinicians to interpret individual osteocalcin levels and guide in future research.
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Affiliation(s)
- Sara S Berggren
- Department of Pediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Health Center Hyltebruk, Hyltebruk, Halland, Sweden
| | - Jovanna Dahlgren
- Department of Pediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Department of Pediatrics, Västra Götalandregion, Queen Silvia Children's Hospital, Lund, Sweden
| | - Ola Andersson
- Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Stefan Bergman
- Department of Public Health and Community Medicine, Primary Health Care Unit, University of Gothenburg, Gothenburg, Sweden
- Spenshult Research and Development Centre, Halmstad, Sweden
| | - Josefine Roswall
- Department of Pediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Department of Pediatrics, Halland Hospital Halmstad, Halmstad, Sweden
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Downes RA, Rachitskaya AV. Ophthalmic sequelae of prematurity in late childhood and adulthood: A review. Clin Exp Ophthalmol 2024; 52:355-364. [PMID: 38334000 DOI: 10.1111/ceo.14358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 12/07/2023] [Accepted: 01/03/2024] [Indexed: 02/10/2024]
Abstract
Advances in the care of premature infants have resulted in unprecedented rates of survival of these infants into adulthood, including those born at very low gestational ages. Ophthalmologists have historically followed premature infants to assess for the presence of and potential need for treatment of retinopathy of prematurity. However, a growing body of literature suggests that the ophthalmic consequences of prematurity extended beyond retinopathy of prematurity and that ophthalmic sequelae of prematurity can endure through adulthood even among formerly preterm adults who were never diagnosed with retinopathy of prematurity. These abnormalities can include a range of both anterior segment and posterior segment sequelae, including higher rates of corneal aberrations, ocular hypertension, strabismus, foveal anomalies, and retinal tears and detachments. This review aims to summarise this literature, underscoring the importance of lifelong examinations and regular monitoring for these complications among adults who were born prematurely.
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Affiliation(s)
- Rachel A Downes
- Vitreoretinal Service, Cole Eye Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
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Wu J, Liu X, Qin C, Zhang J, Liu X, Hu J, Wu F, Chen C, Lin Y. Effect of maternal serum albumin level on birthweight and gestational age: an analysis of 39200 singleton newborns. Front Endocrinol (Lausanne) 2024; 15:1266669. [PMID: 38505758 PMCID: PMC10948486 DOI: 10.3389/fendo.2024.1266669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 02/21/2024] [Indexed: 03/21/2024] Open
Abstract
Background Serum albumin plays a pivotal role in regulating plasma oncotic pressure and modulating fluid distribution among various body compartments. Previous research examining the association between maternal serum albumin levels and fetal growth yielded limited and inconclusive findings. Therefore, the specific influence of serum albumin on fetal growth remains poorly understood and warrants further investigation. Methods A retrospective study involved 39200 women who had a singleton live birth at a tertiary-care academic medical center during the period from January 2017 to December 2020. Women were categorized into four groups according to the quartile of albumin concentration during early pregnancy: Q1 group, ≤41.0 g/L; Q2 group, 41.1-42.6 g/L; Q3 group, 42.7-44.3 g/L and Q4 group, >44.3 g/L. The main outcome measures were mid-term estimated fetal weight, birthweight and gestational age. Multivariate linear and logistic regression analysis were performed to detect the independent effect of maternal serum albumin level on fetal growth after adjusting for important confounding variables. Results In the crude analysis, a significant inverse correlation was found between early pregnancy maternal serum albumin levels and fetal growth status, including mid-term ultrasound measurements, mid-term estimated fetal weight, birthweight, and gestational age. After adjustment for a number of confounding factors, mid-term estimated fetal weight, birthweight, and birth height decreased significantly with increasing albumin levels. Compared to the Q2 group, the Q4 group had higher rates of preterm birth (aOR, 1.16; 95% CI, 1.01-1.34), small-for-gestational-age (aOR, 1.27; 95% CI, 1.11-1.45) and low birthweight (aOR, 1.41; 95% CI, 1.18-1.69), and lower rate of large-for-gestational-age (aOR, 0.85; 95% CI, 0.78-0.94). Moreover, to achieve the optimal neonatal outcome, women with higher early pregnancy albumin levels required a greater reduction in albumin levels in later pregnancy stages. Conclusions A higher maternal serum albumin level during early pregnancy was associated with poor fetal growth, with the detrimental effects becoming apparent as early as the mid-gestation period. These findings provided vital information for clinicians to predict fetal growth status and identify cases with a high risk of adverse neonatal outcomes early on.
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Affiliation(s)
- Jiayi Wu
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Institute of Birth Defects and Rare Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaorui Liu
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Institute of Birth Defects and Rare Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Chuanmei Qin
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Institute of Birth Defects and Rare Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Jinwen Zhang
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Institute of Birth Defects and Rare Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xueqing Liu
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Institute of Birth Defects and Rare Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Jianing Hu
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Institute of Birth Defects and Rare Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Fan Wu
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Institute of Birth Defects and Rare Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Cailian Chen
- Department of Automation, Shanghai Jiao Tong University, Shanghai, China
- Key Laboratory of System Control and Information Processing, Ministry of Education of China, Shanghai, China
| | - Yi Lin
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Institute of Birth Defects and Rare Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Reproductive Medicine Center, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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Butler L, Gunturkun F, Chinthala L, Karabayir I, Tootooni MS, Bakir-Batu B, Celik T, Akbilgic O, Davis RL. AI-based preeclampsia detection and prediction with electrocardiogram data. Front Cardiovasc Med 2024; 11:1360238. [PMID: 38500752 PMCID: PMC10945012 DOI: 10.3389/fcvm.2024.1360238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 02/21/2024] [Indexed: 03/20/2024] Open
Abstract
Introduction More than 76,000 women die yearly from preeclampsia and hypertensive disorders of pregnancy. Early diagnosis and management of preeclampsia can improve outcomes for both mother and baby. In this study, we developed artificial intelligence models to detect and predict preeclampsia from electrocardiograms (ECGs) in point-of-care settings. Methods Ten-second 12-lead ECG data was obtained from two large health care settings: University of Tennessee Health Science Center (UTHSC) and Atrium Health Wake Forest Baptist (AHWFB). UTHSC data was split into 80% training and 20% holdout data. The model used a modified ResNet convolutional neural network, taking one-dimensional raw ECG signals comprising 12 channels as an input, to predict risk of preeclampsia. Sub-analyses were performed to assess the predictive accuracy for preeclampsia prediction within 30, 60, or 90 days before diagnosis. Results The UTHSC cohort included 904 ECGs from 759 females (78.8% African American) with a mean ± sd age of 27.3 ± 5.0 years. The AHWFB cohort included 817 ECGs from 141 females (45.4 African American) with a mean ± sd age of 27.4 ± 5.9 years. The cross-validated ECG-AI model yielded an AUC (95% CI) of 0.85 (0.77-0.93) on UTHSC holdout data, and an AUC (95% CI) of 0.81 (0.77-0.84) on AHWFB data. The sub-analysis of different time windows before preeclampsia prediction resulted in AUCs (95% CI) of 0.92 (0.84-1.00), 0.89 (0.81-0.98) and 0.90 (0.81-0.98) when tested on ECGs 30 days, 60 days and 90 days, respectively, before diagnosis. When assessed on early onset preeclampsia (preeclampsia diagnosed at <34 weeks of pregnancy), the model's AUC (95% CI) was 0.98 (0.89-1.00). Discussion We conclude that preeclampsia can be identified with high accuracy via application of AI models to ECG data.
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Affiliation(s)
- Liam Butler
- Department of Internal Medicine, Section on Cardiovascular Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, United States
| | - Fatma Gunturkun
- Quantitative Sciences Unit, Stanford School of Medicine, Stanford University, Stanford, CA, United States
| | - Lokesh Chinthala
- Center for Biomedical Informatics, UTHSC, Memphis, TN, United States
| | - Ibrahim Karabayir
- Department of Internal Medicine, Section on Cardiovascular Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, United States
| | - Mohammad S. Tootooni
- Parkinson School of Health Sciences and Public Health, Loyola University Chicago, Chicago, IL, United States
| | - Berna Bakir-Batu
- Center for Biomedical Informatics, UTHSC, Memphis, TN, United States
| | - Turgay Celik
- Department of Internal Medicine, Section on Cardiovascular Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, United States
| | - Oguz Akbilgic
- Department of Internal Medicine, Section on Cardiovascular Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, United States
| | - Robert L. Davis
- Center for Biomedical Informatics, UTHSC, Memphis, TN, United States
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Dalby ST, Shibbani K, Mercadante A, Veeram Reddy SR, Aldoss O, Gordon BM, El-Said H, Mohammad Nijres B. Transcatheter Patent Ductus Arteriosus Closure in Premature Infants: A Multicenter Retrospective Study Comparing Available Devices. Circ Cardiovasc Interv 2024; 17:e013723. [PMID: 38502722 DOI: 10.1161/circinterventions.123.013723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Affiliation(s)
- Stephen T Dalby
- Division of Pediatric Cardiology, Department of Pediatrics, University of Arkansas for Medical Sciences and Arkansas Children's Research Institute, Little Rock (S.T.D.)
- Division of Pediatric Cardiology, Department of Pediatrics, Rady Children's Hospital, University of California, San Diego, La Jolla (S.T.D., K.S., B.M.G., H.E.-S.)
| | - Kamel Shibbani
- Division of Pediatric Cardiology, Department of Pediatrics, Rady Children's Hospital, University of California, San Diego, La Jolla (S.T.D., K.S., B.M.G., H.E.-S.)
- Division of Pediatric Cardiology, University of Iowa Stead Family Children's Hospital, Iowa City (K.S., O.A., B.M.N.)
| | - Austin Mercadante
- Division of Pediatric Cardiology, Department of Pediatrics, Children's Medical Center, University of Texas Southwestern Medical Center, Dallas (A.M., S.R.V.R.)
| | - Surendranath R Veeram Reddy
- Division of Pediatric Cardiology, University of Iowa Stead Family Children's Hospital, Iowa City (K.S., O.A., B.M.N.)
| | - Osamah Aldoss
- Division of Pediatric Cardiology, University of Iowa Stead Family Children's Hospital, Iowa City (K.S., O.A., B.M.N.)
| | - Brent M Gordon
- Division of Pediatric Cardiology, Department of Pediatrics, Rady Children's Hospital, University of California, San Diego, La Jolla (S.T.D., K.S., B.M.G., H.E.-S.)
| | - Howaida El-Said
- Division of Pediatric Cardiology, Department of Pediatrics, Rady Children's Hospital, University of California, San Diego, La Jolla (S.T.D., K.S., B.M.G., H.E.-S.)
| | - Bassel Mohammad Nijres
- Division of Pediatric Cardiology, University of Iowa Stead Family Children's Hospital, Iowa City (K.S., O.A., B.M.N.)
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10
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Aris IM, Lin PID, Wu AJ, Dabelea D, Lester BM, Wright RJ, Karagas MR, Kerver JM, Dunlop AL, Joseph CL, Camargo CA, Ganiban JM, Schmidt RJ, Strakovsky RS, McEvoy CT, Hipwell AE, O'Shea TM, McCormack LA, Maldonado LE, Niu Z, Ferrara A, Zhu Y, Chehab RF, Kinsey EW, Bush NR, Nguyen RHN, Carroll KN, Barrett ES, Lyall K, Sims-Taylor LM, Trasande L, Biagini JM, Breton CV, Patti MA, Coull B, Amutah-Onukagha N, Hacker MR, James-Todd T, Oken E. Birth outcomes in relation to neighborhood food access and individual food insecurity during pregnancy in the Environmental Influences on Child Health Outcomes (ECHO)-wide cohort study. Am J Clin Nutr 2024:S0002-9165(24)00168-0. [PMID: 38431121 DOI: 10.1016/j.ajcnut.2024.02.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/21/2024] [Accepted: 02/26/2024] [Indexed: 03/05/2024] Open
Abstract
BACKGROUND Limited access to healthy foods, resulting from residence in neighborhoods with low-food access or from household food insecurity, is a public health concern. Contributions of these measures during pregnancy to birth outcomes remain understudied. OBJECTIVES We examined associations between neighborhood food access and individual food insecurity during pregnancy with birth outcomes. METHODS We used data from 53 cohorts participating in the nationwide Environmental Influences on Child Health Outcomes-Wide Cohort Study. Participant inclusion required a geocoded residential address or response to a food insecurity question during pregnancy and information on birth outcomes. Exposures include low-income-low-food-access (LILA, where the nearest supermarket is >0.5 miles for urban or >10 miles for rural areas) or low-income-low-vehicle-access (LILV, where few households have a vehicle and >0.5 miles from the nearest supermarket) neighborhoods and individual food insecurity. Mixed-effects models estimated associations with birth outcomes, adjusting for socioeconomic and pregnancy characteristics. RESULTS Among 22,206 pregnant participants (mean age 30.4 y) with neighborhood food access data, 24.1% resided in LILA neighborhoods and 13.6% in LILV neighborhoods. Of 1630 pregnant participants with individual-level food insecurity data (mean age 29.7 y), 8.0% experienced food insecurity. Residence in LILA (compared with non-LILA) neighborhoods was associated with lower birth weight [β -44.3 g; 95% confidence interval (CI): -62.9, -25.6], lower birth weight-for-gestational-age z-score (-0.09 SD units; -0.12, -0.05), higher odds of small-for-gestational-age [odds ratio (OR) 1.15; 95% CI: 1.00, 1.33], and lower odds of large-for-gestational-age (0.85; 95% CI: 0.77, 0.94). Similar findings were observed for residence in LILV neighborhoods. No associations of individual food insecurity with birth outcomes were observed. CONCLUSIONS Residence in LILA or LILV neighborhoods during pregnancy is associated with adverse birth outcomes. These findings highlight the need for future studies examining whether investing in neighborhood resources to improve food access during pregnancy would promote equitable birth outcomes.
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Affiliation(s)
- Izzuddin M Aris
- Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, United States.
| | - Pi-I D Lin
- Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, United States
| | - Allison J Wu
- Division of Gastroenterology, Hepatology and Nutrition, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States
| | - Dana Dabelea
- Department of Epidemiology, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO, United States; Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, University of Colorado Anschutz Medical Campus, Aurora, CO, United States; Department of Pediatrics, Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Barry M Lester
- Department of Pediatrics, Warren Alpert Medical School of Brown University, Providence, RI, United States
| | - Rosalind J Wright
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Margaret R Karagas
- Department of Epidemiology, Dartmouth Geisel School of Medicine, Hanover, NH, United States
| | - Jean M Kerver
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, United States
| | - Anne L Dunlop
- Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, GA, United States
| | - Christine Lm Joseph
- Department of Public Health Sciences, Henry Ford Health System, Detroit, MI, United States
| | - Carlos A Camargo
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Department of Medicine, Channing Division of Network Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States; Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - Jody M Ganiban
- Department of Psychological and Brain Sciences, George Washington University, Washington, DC, United States
| | - Rebecca J Schmidt
- Department of Public Health Sciences, School of Medicine, University of California Davis, Davis, CA, United States
| | - Rita S Strakovsky
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, United States
| | - Cindy T McEvoy
- Department of Pediatrics, Oregon Health & Science University, Portland, OR, United States
| | - Alison E Hipwell
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, United States
| | - Thomas Michael O'Shea
- Department of Pediatrics, University of North Carolina, Chapel Hill, NC, United States
| | - Lacey A McCormack
- Avera Research Institute, Sioux Falls, SD, United States; Department of Pediatrics, University of South Dakota School of Medicine, Sioux Falls, SD, United States
| | - Luis E Maldonado
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States
| | - Zhongzheng Niu
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States
| | - Assiamira Ferrara
- Division of Research, Kaiser Permanente Northern California, Oakland, CA, United States
| | - Yeyi Zhu
- Division of Research, Kaiser Permanente Northern California, Oakland, CA, United States
| | - Rana F Chehab
- Division of Research, Kaiser Permanente Northern California, Oakland, CA, United States
| | - Eliza W Kinsey
- Department of Family Medicine & Community Health, Perelman School of Medicine, University of Pennsylvania, PA, United States
| | - Nicole R Bush
- Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, CA, United States; Department of Pediatrics, University of California, San Francisco, CA, United States
| | - Ruby H N Nguyen
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, MN, United States
| | - Kecia N Carroll
- Division of General Pediatrics, Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Emily S Barrett
- Department of Biostatistics and Epidemiology, Rutgers School of Public Health, Piscataway, NJ, United States
| | - Kristen Lyall
- AJ Drexel Autism Institute, Drexel University, Philadelphia, PA, United States
| | - Lauren M Sims-Taylor
- Department of Preventive Medicine, University of Tennessee Health Science Center, Memphis, TN, United States
| | - Leonardo Trasande
- Department of Pediatrics, New York University Grossman School of Medicine, New York, NY, United States
| | - Jocelyn M Biagini
- Division of Asthma Research, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Carrie V Breton
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States
| | - Marisa A Patti
- AJ Drexel Autism Institute, Drexel University, Philadelphia, PA, United States
| | - Brent Coull
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Ndidiamaka Amutah-Onukagha
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA, United States
| | - Michele R Hacker
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - Tamarra James-Todd
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Emily Oken
- Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, United States
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11
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Otinashvili N, Ahmadi S, Iordanishvili L, Balagopal A, Gvasalia T. Impact of prenatal life on the risk of developing epilepsy. Med Int (Lond) 2024; 4:12. [PMID: 38410757 PMCID: PMC10895459 DOI: 10.3892/mi.2024.136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 01/24/2024] [Indexed: 02/28/2024]
Abstract
Epilepsy is an enduring predisposition of the brain to generate epileptic seizures and has a worldwide incidence of 21-24 per 100,000 cases among children. Epilepsy is a multifactorial disease; however, certain risk factors are predicted to increase its incidence. Abnormal brain development during prenatal life, particularly during the last trimester, is considered to play a crucial role in the development of certain neurological disorders. The present study evaluated a total of 453 children between the ages of 1 to 18 years, with or without epilepsy. The association between gestational age, birth weight, maternal age and sex, and the risk of developing epilepsy was examined in the children. It was found that children born preterm had a 2.3-fold higher risk of having epilepsy [odds ratio (OR), 2.3; 95% confidence interval (CI), 1.4-3.7], and those whose birth weight was <2,500 g had a 2-fold greater risk of developing epilepsy (OR, 2; 95% CI, 1.1-3.6). The male sex appeared to be associated with a lower risk of developing epilepsy and there was a statistically significant association between the female sex and the risk of developing epilepsy only in preterm children (OR, 3.2; 95% CI, 1.2-8.8). Maternal age was not found to be associated with the risk of developing epilepsy. On the whole, the present study demonstrates that a short gestational age, a low birth weight and the female sex are associated with an increased risk of developing epilepsy.
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Affiliation(s)
- Nina Otinashvili
- American MD Program, Faculty of Medicine, Tbilisi State Medical University, 0177 Tbilisi, Georgia
| | - Saba Ahmadi
- American MD Program, Faculty of Medicine, Tbilisi State Medical University, 0177 Tbilisi, Georgia
| | - Luka Iordanishvili
- American MD Program, Faculty of Medicine, Tbilisi State Medical University, 0177 Tbilisi, Georgia
| | - Anashwara Balagopal
- American MD Program, Faculty of Medicine, Tbilisi State Medical University, 0177 Tbilisi, Georgia
| | - Tsotne Gvasalia
- American MD Program, Faculty of Medicine, Tbilisi State Medical University, 0177 Tbilisi, Georgia
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12
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Worrall S, Christiansen P, Khalil A, Silverio SA, Fallon V. Associations between prematurity, postpartum anxiety, neonatal intensive care unit admission, and stress. Front Psychiatry 2024; 15:1323773. [PMID: 38463430 PMCID: PMC10921229 DOI: 10.3389/fpsyt.2024.1323773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 02/02/2024] [Indexed: 03/12/2024] Open
Abstract
Introduction It is well established that a premature birth increases the likelihood of developing anxiety during the postpartum period, and that the environment of the neonatal intensive care unit (NICU) might be a contributing factor. Mothers of earlier premature infants may experience these anxieties to a higher degree compared to mothers of later premature infants. The aim of this study was to explore the association between prematurity and postpartum-specific anxiety, and the relationship between postpartum-specific anxiety and stress in the NICU. Materials and methods Mothers (N = 237) of infants aged between birth and 12 months completed an online survey containing the Postpartum Specific Anxiety Scale - Research Short Form (PSAS-RSF) and the Parental Stressor Scale: Neonatal Intensive Care Unit (PSS:NICU). Structural equation modeling was used to analyze the relationship between gestational age and postpartum-specific anxiety, with one-way ANOVAs used to analyze this relationship with respect to categories of gestational age. Hierarchical regression models analyzed the relationship between postpartum-specific anxiety and stress in the NICU. Results For the PSAS-RSF, Practical Infant Care Anxieties (p = 0.001), Maternal Competence and Attachment Anxieties (p = 0.033), and Infant Safety and Welfare Anxieties (p = 0.020) were significantly associated with week of gestation. Practical Infant Care and Infant Safety and Welfare Anxieties were significantly higher for mothers of late premature infants, compared to mothers of term infants (p < 0.001; p = 0.019). There were no significant between-group differences with respect to Maternal Competence and Attachment Anxieties. After controlling for potential confounders, Infant Safety and Welfare Anxieties were significantly associated with increased stress in the NICU (p < 0.001) as measured by the PSS:NICU. Conclusions Our findings highlight the need for interventions for mothers with premature infants, which specifically target anxieties reflected in the PSAS-RSF, such as routine care and increasing maternal self-efficacy.
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Affiliation(s)
- Semra Worrall
- Department of Psychology, Institute of Population Health, University of Liverpool, Liverpool, United Kingdom
| | - Paul Christiansen
- Department of Psychology, Institute of Population Health, University of Liverpool, Liverpool, United Kingdom
| | - Asma Khalil
- Fetal Medicine Unit, Liverpool Women’s NHS Foundation Trust, Liverpool, United Kingdom
- Fetal Medicine Unit, St George’s University Hospitals NHS Foundation Trust, London, United Kingdom
| | - Sergio A. Silverio
- Department of Women & Children’s Health, School of Life Course & Population Sciences, King’s College London, London, United Kingdom
- School of Psychology, Faculty of Health, Liverpool John Moores University, Liverpool, United Kingdom
| | - Victoria Fallon
- Department of Psychology, Institute of Population Health, University of Liverpool, Liverpool, United Kingdom
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13
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Leshno M, Meiri H, Maymon R. Cost-effectiveness of universal routine sonographic cervical-length measurement at 19 to 25 weeks' gestation. Am J Obstet Gynecol MFM 2024:101313. [PMID: 38387505 DOI: 10.1016/j.ajogmf.2024.101313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 02/04/2024] [Accepted: 02/07/2024] [Indexed: 02/24/2024]
Abstract
BACKGROUND National second-trimester scanning of cervical length was introduced in Israel in 2010, and in the decade thereafter, a significant systematic reduction in preterm birth and in the delivery of low birthweight babies was found among singletons. OBJECTIVE In this study, we sought to estimate the cost-effectiveness of a national policy mandating second-trimester cervical length screening by ultrasound, followed by vaginal progesterone treatment for short cervical length in comparison with no screening strategy. STUDY DESIGN We constructed a decision model comparing 2 strategies, namely (1) universal cervical length screening, and (2) no screening strategy. This study used the national delivery registry of Israel's Ministry of Health. All women diagnosed with a second-trimester cervical length <25 mm were treated with vaginal progesterone and were monitored with a bimonthly ultrasound scan for cervical dynamics and threat of early delivery. Preterm birth prevalence associated with short cervical length, the efficacy of progesterone in preterm birth prevention, and the accuracy of cervical length measurements were derived from previous studies. The cost of progesterone and bimonthly sonographic surveillance, low birthweight delivery, newborn admission to intensive care units, the first-year costs of managing preterm birth and low birthweight, and instances of handicaps and the cost of their follow-up were extracted from the publicly posted registry of Israel's Ministry of Health and Israel Social Securities data. Monte Carlo simulations decision tree mode, Tornado diagrams, and 1- and 2-way sensitivity analyses were implemented and the base case and sensitivity to parameters that were predicted to influence cost-effectiveness were calculated. RESULTS Without cervical length screening, the discounted quality-adjusted life years were 30.179, and with universal cervical length screening, it increased to 30.198 (difference of 0.018 quality-adjusted life years). The average cost of no screening for cervical length strategy was $1047, and for universal cervical length screening, it was reduced to $998. The calculated incremental cost-effectiveness ratio was -$2676 per quality-adjusted life year (dividing the difference in costs by the difference in quality-adjusted life years). Monte Carlo simulation of cervical length screening of 170,000 singleton newborns (rounded large number close to the number of singleton newborns in Israel) showed that 95.17% of all babies were delivered at gestational week ≥37 in comparison with 94.46% of babies with the no screening strategy. Given 170,000 singleton births, the national savings of screening for short cervical length when compared with no cervical length screening amounted to $8.31M annually, equating to $48.84 for a base case, and the incremental cost-effectiveness ratio for each case of low birthweight or very low birthweight avoided was -$14,718. A cervical length <25 mm was measured for 30,090 women, and of those, 24,650 were false positives. The major parameters that affected the incremental cost-effectiveness ratio were the incidence of preterm birth, the specificity of cervical length measurements, and the efficacy of progesterone treatment. At a preterm birth incidence of <3%, universal screening does not lead to a cost saving. CONCLUSION National universal cervical length screening should be incorporated into the routine anomaly scan in the second trimester, because it leads to a drop in the incidence of preterm birth and low birthweight babies in singleton pregnancies, thereby saving costs related to the newborn and gaining quality-adjusted life years.
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Affiliation(s)
- Moshe Leshno
- School of Medicine, Faculty of Medical and Health Sciences, Tel-Aviv University, Tel-Aviv, Israel (Drs Leshno and Maymon); Coller School of Management, Tel-Aviv University, Tel-Aviv, Israel (Dr Leshno)
| | - Hamutal Meiri
- PreTwin Screen Consortium and TeleMarpe Ltd, Tel-Aviv, Israel (Dr Meiri)
| | - Ron Maymon
- School of Medicine, Faculty of Medical and Health Sciences, Tel-Aviv University, Tel-Aviv, Israel (Drs Leshno and Maymon); Department of Obstetrics and Gynecology, Shamir (Assaf Harofeh) Medical Center, Zerifin, Israel (Dr Maymon).
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14
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Zhang Y, Mustieles V, Martin L, Sun Y, Hillcoat A, Fang X, Bibi Z, Torres N, Coburn-Sanderson A, First O, Irene S, Petrozza JC, Botelho JC, Calafat AM, Wang YX, Messerlian C. Maternal and Paternal Preconception Serum Concentrations of Per and Polyfluoroalkyl Substances in Relation to Birth Outcomes. Environ Sci Technol 2024; 58:2683-2692. [PMID: 38290209 PMCID: PMC10924800 DOI: 10.1021/acs.est.3c07954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Prenatal per and polyfluoroalkyl substances (PFAS) exposure is associated with adverse birth outcomes. There is an absence of evidence on the relationship between maternal and paternal preconception PFAS exposure and birth outcomes. This study included 312 mothers and 145 fathers with a singleton live birth from a preconception cohort of subfertile couples seeking fertility treatment at a U.S. clinic. PFAS were quantified in serum samples collected before conception. Gestational age (GA) and birthweight (BW) were abstracted from delivery records. We also assessed low birthweight (BW < 2500 g) and preterm birth (GA < 37 completed weeks). We utilized multivariable linear regression, logistic regression, and quantile-based g computation to examine maternal or paternal serum concentrations of individual PFAS and mixture with birth outcomes. Maternal serum concentrations of perfluorooctanesulfonate (PFOS), perfluorohexanesulfonate (PFHxS), and the total PFAS mixture were inversely associated with birthweight. Maternal PFOS concentration was associated with a higher risk of low birthweight. Conversely, paternal PFOS and PFHxS concentrations were imprecisely associated with higher birthweight. No associations were found for gestational age or preterm birth. The findings have important implications for preconception care. Future research with larger sample sizes would assist in validating these findings.
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Affiliation(s)
- Yu Zhang
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Vicente Mustieles
- University of Granada, Center for Biomedical Research (CIBM), Spain. Instituto de Investigación Biosanitaria Ibs GRANADA, Spain. Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Spain
| | - Leah Martin
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Yang Sun
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Alexandra Hillcoat
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Xin Fang
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Zainab Bibi
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Nicole Torres
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Ayanna Coburn-Sanderson
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Olivia First
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Souter Irene
- Department of Obstetrics and Gynecology, Vincent Center for Reproductive Biology, Massachusetts General Hospital Fertility Center, Boston, MA, USA
| | - John C. Petrozza
- Department of Obstetrics and Gynecology, Vincent Center for Reproductive Biology, Massachusetts General Hospital Fertility Center, Boston, MA, USA
| | - Julianne C. Botelho
- National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Antonia M. Calafat
- National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Yi-Xin Wang
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Carmen Messerlian
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Obstetrics and Gynecology, Vincent Center for Reproductive Biology, Massachusetts General Hospital Fertility Center, Boston, MA, USA
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15
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Devarajalu P, Kumar J, Dutta S, Attri SV, Kabeerdoss J. Gut microbiota of preterm infants in the neonatal intensive care unit: a study from a tertiary care center in northern India. Front Microbiol 2024; 15:1329926. [PMID: 38389529 PMCID: PMC10881769 DOI: 10.3389/fmicb.2024.1329926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 01/22/2024] [Indexed: 02/24/2024] Open
Abstract
Introduction Disruptions of the gut microbiota of preterm infants admitted to the neonatal intensive care unit (NICU) during the first 2 weeks of life are of critical importance. These infants are prone to various complications, including necrotizing enterocolitis (NEC) and sepsis. Studying the gut microbiota will improve outcomes in preterm infants. In the present study, we examined the gut microbiota of preterm infants admitted to the NICU in the first month of life. Methods Neonates admitted to the NICU were recruited, and stool samples were collected weekly from the seventh day of the infant's life until the 30th day of life. DNA was extracted using a DNeasy Powersoil DNA isolation kit. 16S rRNA gene sequencing targeting the V3-V4 region was performed using the MiSeq platform. Sequenced reads were processed on DADA2 pipeline to obtain an amplicon sequence variant (ASV) table. All bioinformatic and statistical analyses were performed using different packages in the R statistical framework. Results Fourteen preterm infants were recruited, and 48 samples were collected. Alpha diversity metrics, observed ASV count, and Shannon index were found to have no differences in any clinical variables. Permutational multivariate analysis of variance (PERMANOVA) showed discrimination of neonates by gestational age and administration of probiotics. Differential abundance analysis showed a decreased abundance of Bifidobacterium Breve in extremely preterm infants (gestational age <28 weeks) compared to moderate preterm infants (gestational age 29-32 weeks). Supplementation with probiotics decreased Acinetobacter and increased Bifidobacterium in the gut of preterm neonates regardless of gestational age. Conclusion Gestational age and probiotic supplementation alter the gut microbiota of preterm infants admitted to the NICU.
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Affiliation(s)
- Prabavathi Devarajalu
- Pediatric Biochemistry Unit, Department of Pediatrics, Post Graduate Institute of Medical Education & Research (PGIMER), Chandigarh, India
| | - Jogender Kumar
- Newborn Unit, Department of Pediatrics, Post Graduate Institute of Medical Education & Research (PGIMER), Chandigarh, India
| | - Sourabh Dutta
- Newborn Unit, Department of Pediatrics, Post Graduate Institute of Medical Education & Research (PGIMER), Chandigarh, India
| | - Savita Verma Attri
- Pediatric Biochemistry Unit, Department of Pediatrics, Post Graduate Institute of Medical Education & Research (PGIMER), Chandigarh, India
| | - Jayakanthan Kabeerdoss
- Pediatric Biochemistry Unit, Department of Pediatrics, Post Graduate Institute of Medical Education & Research (PGIMER), Chandigarh, India
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16
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Obayashi M, Iwata S, Okuda T, Mori I, Nakane S, Togawa Y, Sugimoto M, Togawa T, Muramatsu K, Saitoh S, Sugiura T, Iwata O. Antenatal Growth, Gestational Age, Birth, Enteral Feeding, and Blood Citrulline Levels in Very Low Birth Weight Infants. Nutrients 2024; 16:476. [PMID: 38398801 PMCID: PMC10893150 DOI: 10.3390/nu16040476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Revised: 01/30/2024] [Accepted: 02/03/2024] [Indexed: 02/25/2024] Open
Abstract
Early enteral nutrition using reliable biomarkers of intestinal function must be established to improve neurodevelopmental outcomes in very low birth weight infants (VLBWIs). Serum citrulline levels reflect the intestinal function in adults. To elucidate the relationship among antenatal growth, postnatal enteral nutrition, and blood citrulline levels, a retrospective single-center observational study was conducted on 248 VLBWIs born between April 2014 and March 2021. A mixed effect model and post hoc simple slope analysis were used to estimate the correlations between clinical variables and citrulline levels at Early (day 5.1) and Late (day 24.3) postnatal ages. Greater gestational age, birth weight, and amount of enteral nutrition at the time of blood sampling were associated with lower citrulline levels at the Early postnatal age and higher citrulline levels at the Late postnatal age. Provided that Early citrulline levels predominantly reflect the consequence of antenatal citrulline metabolism, it is suggested that fetal growth and maturation are likely to promote citrulline catabolism in utero and its synthesis after birth. With additional insights into the temporal transition point wherein the maturation-dependent balance of citrulline metabolism shifts from catabolism-dominant to synthesis-dominant, citrulline emerges as a potential biomarker for assessing intestinal function and gastrointestinal disorders.
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Affiliation(s)
- Midori Obayashi
- Department of Pediatrics and Neonatology, Toyohashi Municipal Hospital, 50 Aza Hakken Nishi, Aotake-cho, Toyohashi 441-8570, Japan (T.O.); (I.M.); (S.N.); (M.S.)
| | - Sachiko Iwata
- Center for Human Development and Family Science, Department of Pediatrics and Neonatology, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho, Nagoya 467-8601, Japan; (S.I.); (S.S.)
| | - Tomoya Okuda
- Department of Pediatrics and Neonatology, Toyohashi Municipal Hospital, 50 Aza Hakken Nishi, Aotake-cho, Toyohashi 441-8570, Japan (T.O.); (I.M.); (S.N.); (M.S.)
| | - Ichita Mori
- Department of Pediatrics and Neonatology, Toyohashi Municipal Hospital, 50 Aza Hakken Nishi, Aotake-cho, Toyohashi 441-8570, Japan (T.O.); (I.M.); (S.N.); (M.S.)
| | - Shigeharu Nakane
- Department of Pediatrics and Neonatology, Toyohashi Municipal Hospital, 50 Aza Hakken Nishi, Aotake-cho, Toyohashi 441-8570, Japan (T.O.); (I.M.); (S.N.); (M.S.)
| | - Yasuko Togawa
- Department of Pediatrics and Neonatology, Toyohashi Municipal Hospital, 50 Aza Hakken Nishi, Aotake-cho, Toyohashi 441-8570, Japan (T.O.); (I.M.); (S.N.); (M.S.)
| | - Mari Sugimoto
- Department of Pediatrics and Neonatology, Toyohashi Municipal Hospital, 50 Aza Hakken Nishi, Aotake-cho, Toyohashi 441-8570, Japan (T.O.); (I.M.); (S.N.); (M.S.)
| | - Takao Togawa
- Department of Pediatrics and Neonatology, Toyohashi Municipal Hospital, 50 Aza Hakken Nishi, Aotake-cho, Toyohashi 441-8570, Japan (T.O.); (I.M.); (S.N.); (M.S.)
- Center for Human Development and Family Science, Department of Pediatrics and Neonatology, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho, Nagoya 467-8601, Japan; (S.I.); (S.S.)
| | - Kanji Muramatsu
- Department of Pediatrics and Neonatology, Toyohashi Municipal Hospital, 50 Aza Hakken Nishi, Aotake-cho, Toyohashi 441-8570, Japan (T.O.); (I.M.); (S.N.); (M.S.)
| | - Shinji Saitoh
- Center for Human Development and Family Science, Department of Pediatrics and Neonatology, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho, Nagoya 467-8601, Japan; (S.I.); (S.S.)
| | - Takahiro Sugiura
- Department of Pediatrics and Neonatology, Toyohashi Municipal Hospital, 50 Aza Hakken Nishi, Aotake-cho, Toyohashi 441-8570, Japan (T.O.); (I.M.); (S.N.); (M.S.)
| | - Osuke Iwata
- Department of Pediatrics and Neonatology, Toyohashi Municipal Hospital, 50 Aza Hakken Nishi, Aotake-cho, Toyohashi 441-8570, Japan (T.O.); (I.M.); (S.N.); (M.S.)
- Center for Human Development and Family Science, Department of Pediatrics and Neonatology, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho, Nagoya 467-8601, Japan; (S.I.); (S.S.)
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Mínguez-Alarcón L, Williams PL, Souter I, Ford JB, Hauser R, Chavarro JE. Women's preconception psychological stress and birth outcomes in a fertility clinic: the EARTH study. Front Glob Womens Health 2024; 5:1293255. [PMID: 38379838 PMCID: PMC10877713 DOI: 10.3389/fgwh.2024.1293255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 01/19/2024] [Indexed: 02/22/2024] Open
Abstract
Background The epidemiologic literature on women's perceived stress in relation to perinatal outcomes has been inconclusive and does not consider the preconception window of exposure. Objective To evaluate whether women's preconception perceived stress is related to live birth, gestational age, and birthweight in a cohort receiving fertility treatment. Methods This observational study included women seeking fertility care at the Massachusetts General Hospital (2004-2019). During preconception, women provided information on their psychological stress using the short version of the validated Perceived Stress Scale 4 (PSS-4). We used regression models to evaluate the associations of stress with live birth (N = 768 attempting to conceive) and perinatal outcomes (N = 413 live births) while adjusting for confounders. Stratified analyses by mode of conception [natural, intrauterine insemination (IUI), and IVF (in vitro fertilization)] and selected socioeconomic factors (race, education, and income) were also conducted. Results Higher psychological stress was negatively associated with the overall probability of live birth (adjusted RR = 0.95, 95% CI: 0.92, 0.98), particularly among women conceiving using IVF. However, we found no association between women's psychological stress and gestational age and birth weight in the overall analyses and also stratified by mode of conception. Similarly, we observed no differences in women's psychological stress with any of the measured outcomes by socioeconomic factors. Discussion These results highlight the importance of considering the preconception window and mode of conception when evaluating the relationship between women's preconception stress and live birth.
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Affiliation(s)
- Lidia Mínguez-Alarcón
- Channing Division of Network Medicine, Harvard Medical School & Brigham and Women’s Hospital, Boston, MA, United States
- Departments of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Paige L. Williams
- Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States
- Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Irene Souter
- Vincent Obstetrics and Gynecology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - Jennifer B. Ford
- Departments of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Russ Hauser
- Departments of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
- Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States
- Department of Obstetrics, Gynecology and Reproductive Biology, Harvard Medical School, Boston, MA, United States
| | - Jorge E. Chavarro
- Channing Division of Network Medicine, Harvard Medical School & Brigham and Women’s Hospital, Boston, MA, United States
- Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States
- Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, United States
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18
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Wiingreen R, Greisen G, Løkkegaard ECL, Torp-Pedersen C, Sørensen KK, Andersen MP, Hansen BM. Preterm children born below 33-35 weeks of gestation have an increased risk of mathematical difficulties. Acta Paediatr 2024; 113:212-220. [PMID: 37750237 DOI: 10.1111/apa.16976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 09/05/2023] [Accepted: 09/11/2023] [Indexed: 09/27/2023]
Abstract
AIM To investigate the association between gestational age (GA) and grade point averages by domains of language and mathematics at the end of lower secondary education. METHODS A nationwide register-based study including all Danish children born in 1992-1997 who completed lower secondary education. Grades were evaluated by GA. Domain-specific differences in grades were investigated, and academic profiles were made. RESULTS The study population comprised 319 796 children. For language, only minor differences in grades were observed. The grades in mathematics ranged from 7.02 (95% confidence interval [CI]: 7.00-7.04) at GA = 40 weeks to 5.86 (95% CI: 5.61-6.11) at GA <28 weeks. Grade differences showed lower grades in mathematics, compared to language, below GA 33-35 weeks. The academic profile of mathematical difficulties was more prevalent among GA <32 weeks. Average/high grades within both domains represented the predominant academic profile, constituting 68.8% at GA 39-41 weeks and 56.6% at GA <28 weeks. CONCLUSION Only in mathematics decreasing GA was associated with lower grades. Increased mathematical difficulties were found below GA 33-35 weeks. The academic profile of mathematical difficulties was more prevalent among GA <32 weeks. However, the absolute differences in grades were small, and the predominant academic profile was average/high grades within both domains across all GA.
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Affiliation(s)
- Rikke Wiingreen
- Department of Paediatrics, Copenhagen University Hospital - North Zealand, Hilleroed, Denmark
- Department of Neonatology, Juliane Marie Center, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Gorm Greisen
- Department of Neonatology, Juliane Marie Center, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Ellen C L Løkkegaard
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Department of Obstetrics and Gynecology, Copenhagen University Hospital - North Zealand, Hilleroed, Denmark
| | - Christian Torp-Pedersen
- Department of Cardiology, Copenhagen University Hospital - North Zealand, Hilleroed, Denmark
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Kathrine K Sørensen
- Department of Cardiology, Copenhagen University Hospital - North Zealand, Hilleroed, Denmark
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Mikkel P Andersen
- Department of Cardiology, Copenhagen University Hospital - North Zealand, Hilleroed, Denmark
| | - Bo M Hansen
- Department of Paediatrics, Copenhagen University Hospital - North Zealand, Hilleroed, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Mazza GR, Youssefzadeh AC, Aberle LS, Anderson ZS, Mandelbaum RS, Ouzounian JG, Matsushima K, Matsuo K. Pregnant patients undergoing cholecystectomy: nationwide assessment of clinical characteristics and outcomes. AJOG Glob Rep 2024; 4:100310. [PMID: 38304305 PMCID: PMC10830852 DOI: 10.1016/j.xagr.2024.100310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024] Open
Abstract
BACKGROUND Gallstone disease in pregnancy is one of the most common indications for nonobstetrical surgery during pregnancy. National-level data on contemporary surgical practice and outcomes are limited. OBJECTIVE This study aimed to assess the clinical characteristics and outcomes of patients undergoing cholecystectomy during pregnancy. STUDY DESIGN This cross-sectional study examined the Healthcare Cost and Utilization Project's 2 nationwide databases in the United States: the National Inpatient Sample and the Nationwide Ambulatory Surgery Sample. The study population included 18,630 patients who had cholecystectomy during pregnancy from January 2016 to December 2020. The exposure was gestational age, grouped sequentially into the following 5 groups: first trimester (<14 weeks), early second trimester (14-20 weeks), late second trimester (21-27 weeks), early third trimester (28-36 weeks), and late third trimester (≥37 weeks). The main outcomes were clinical demographics, medical comorbidities, surgical information, and pregnancy characteristics and outcomes, assessed by gestational age. RESULTS Cholecystectomy was most common in the early second trimester (32.1%), followed by the first trimester (25.2%), late second trimester (23.1%), early third trimester (12.4%), and late third trimester (7.2%). Patients in the first-trimester group were more likely to be aged ≥35 years, to smoke, and to have acute cholecystitis, severe hyperemesis gravidarum including metabolic disturbance, pregestational diabetes, multifetal gestation, and sepsis/shock (P<.001). Patients in the early-third-trimester group were more likely to be obese and have gestational diabetes, Charlson Comorbidity Index of ≥1, premature rupture of membranes, and intrauterine growth restriction, whereas those in the late-third-trimester group were more likely to have gallstone pancreatitis, biliary colic, chorioamnionitis, gestational hypertension, preeclampsia, and severe maternal morbidity including sepsis (P<.001). At the cohort level, a laparoscopic approach was used in most cholecystectomy procedures (97.5%), and bile duct injury was uncommon (<0.1%). Delivery during the admission occurred in 0.3%, 0%, 0.6%, 17.8%, and 60.6% in the 5 gestational age groups, respectively (P<.001). Among the cases that had delivery in the early- and late-third-trimester groups, the delivery event preceded cholecystectomy in 61.4% and 86.2%, respectively, whereas both delivery and cholecystectomy occurred on the same day in 34.3% and 13.8%, respectively. CONCLUSION This nationwide analysis suggests that clinical and pregnancy characteristics and outcomes of patients undergoing cholecystectomy differ by pregnancy stage with a bimodal distribution. Although patients in the first and third trimesters have distinct medical conditions, more clinically significant pregnancy and maternal outcomes were found in both groups compared with patients in the second trimester.
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Affiliation(s)
- Genevieve R. Mazza
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA (Drs Mazza, Youssefzadeh, Aberle, Anderson, and Matsuo)
| | - Ariane C. Youssefzadeh
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA (Drs Mazza, Youssefzadeh, Aberle, Anderson, and Matsuo)
| | - Laurel S. Aberle
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA (Drs Mazza, Youssefzadeh, Aberle, Anderson, and Matsuo)
| | - Zachary S. Anderson
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA (Drs Mazza, Youssefzadeh, Aberle, Anderson, and Matsuo)
| | - Rachel S. Mandelbaum
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA (Dr Mandelbaum)
| | - Joseph G. Ouzounian
- Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA (Dr Ouzounian)
| | - Kazuhide Matsushima
- Division of Acute Care Surgery, Department of Surgery, University of Southern California, Los Angeles, CA (Dr Matsushima)
| | - Koji Matsuo
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA (Drs Mazza, Youssefzadeh, Aberle, Anderson, and Matsuo)
- Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA (Dr Matsuo)
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Trivedi A, Jatana V, Sinn JK. Early versus late administration of amino acids in preterm infants receiving parenteral nutrition. Cochrane Database Syst Rev 2024; 1:CD008771. [PMID: 38275196 PMCID: PMC10811752 DOI: 10.1002/14651858.cd008771.pub3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/27/2024]
Abstract
BACKGROUND Observational studies in preterm newborns suggest that delay in administering amino acids (AA) could result in a protein catabolic state and impact on growth and development. OBJECTIVES The objective of this review was to compare the efficacy and safety of early versus late administration of intravenous AA in neonates born at < 37 weeks of gestation. SEARCH METHODS We searched CENTRAL, MEDLINE, Embase, and trial registries in March 2023. We checked the reference lists of included studies and studies/systematic reviews where subject matter related to the intervention or population examined in this review. SELECTION CRITERIA We included randomised controlled trials (RCTs) comparing early administration of AA with late administration in premature newborn infants. We defined early administration of AA solution as the administration of AA in isolation or with total parenteral nutrition within the first 24 hours of birth, and late administration as the administration of AA in isolation or with total parenteral nutrition after the first 24 hours of birth. DATA COLLECTION AND ANALYSIS We used standard Cochrane methodological procedures. We used the GRADE approach to assess the certainty of the evidence. MAIN RESULTS Nine studies (383 participants) were eligible for inclusion in the review. All study participants were born at < 37 weeks of gestation and were inpatients in neonatal intensive care units. No studies reported growth during the first months of life as assessed by difference in weight. Early administration of AA may have little or no effect on growth in the first month of life as measured by length (mean difference (MD) 0.00, 95% confidence interval (CI) -0.41 to 0.41; 1 study; 21 participants; low-certainty evidence) and head circumference (MD 0.05, 95% CI -0.03 to 0.14; 2 studies; 87 participants; low-certainty evidence). No studies reported the discharge weight outcome. Early administration of AA may result in little to no difference in neurodevelopmental outcome assessed by Mental Developmental Index (MDI) of < 70 at two years of age (odds ratio 0.83, 95% CI 0.21 to 3.28; 1 study; 111 participants; low-certainty evidence). No studies reported all-cause mortality at 28 days and before discharge. Early administration of AA may result in a large increase in positive nitrogen balance in the first three days of life (MD 250.42, 95% CI 224.91 to 275.93; 4 studies; 93 participants; low-certainty evidence). AUTHORS' CONCLUSIONS Low-certainty evidence suggests that there may be little to no difference between early and late administration of AA in growth (measured by length and head circumference during the first month after birth) and neurodevelopmental outcome (assessed by MDI of < 70). No RCTs reported on weight in the first month of life, mortality (all-cause mortality at 28 days and before discharge), or discharge weight. Low-certainty evidence suggests a large increase in positive nitrogen balance in preterm infants who received AA within 24 hours of birth. The clinical relevance of this observation is unknown. The number of infants in the RCTs included in the review was small, and there was clinical heterogeneity amongst trials. Adequately powered trials in infants < 37 weeks' gestation are required to determine optimal timing of initiation of AA. We identified two ongoing studies. Both studies will be recruiting infants ≥ 34 weeks of gestation and may or may not add to the outcome data for this review.
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Affiliation(s)
- Amit Trivedi
- Grace Centre for Newborn Intensive Care, The Children's Hospital at Westmead, Westmead, Australia
- The University of Sydney, Sydney, Australia
| | - Vishal Jatana
- Helen MacMillan Paediatric Intensive Care Unit, The Children's Hospital at Westmead, Westmead, Australia
| | - John Kh Sinn
- Department of Neonatology, Royal North Shore Hospital, The University of Sydney, Sydney, Australia
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Pirlotte S, Beeckman K, Ooms I, Cools F. Non-pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated neonates. Cochrane Database Syst Rev 2024; 1:CD013353. [PMID: 38235838 PMCID: PMC10795104 DOI: 10.1002/14651858.cd013353.pub2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
BACKGROUND Pain, when treated inadequately, puts preterm infants at a greater risk of developing clinical and behavioural sequelae because of their immature pain system. Preterm infants in need of intensive care are repeatedly and persistently exposed to noxious stimuli, and this happens during a critical window of their brain development with peak rates of brain growth, exuberant synaptogenesis and the developmental regulation of specific receptor populations. Nearly two-thirds of infants born at less than 29 weeks' gestation require mechanical ventilation for some duration during the newborn period. These neonates are endotracheally intubated and require repeated endotracheal suctioning. Endotracheal suctioning is identified as one of the most frequent and most painful procedures in premature infants, causing moderate to severe pain. Even with improved nursing performance and standard procedures based on neonatal needs, endotracheal suctioning remains associated with mild pain. OBJECTIVES To evaluate the benefits and harms of non-pharmacological interventions for the prevention of pain during endotracheal suctioning in mechanically ventilated neonates. Non-pharmacological interventions were compared to no intervention, standard care or another non-pharmacological intervention. SEARCH METHODS We conducted searches in June 2023 in the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE via PubMed, Embase, CINAHL and three trial registries. We searched the reference lists of related systematic reviews, and of studies selected for inclusion. SELECTION CRITERIA We included randomised controlled trials (RCTs), quasi-RCTs and cluster-RCTs that included term and preterm neonates who were mechanically ventilated via endotracheal tube or via tracheostomy tube and required endotracheal suctioning performed by doctors, nurses, physiotherapists or other healthcare professionals. DATA COLLECTION AND ANALYSIS Our main outcome measures were validated composite pain scores (including a combination of behavioural, physiological and contextual indicators). Secondary outcomes included separate physiological and behavioural pain indicators. We used standard methodological procedures expected by Cochrane. For continuous outcome measures, we used a fixed-effect model and reported mean differences (MDs) with 95% confidence intervals (CIs). For categorical outcomes, we reported the typical risk ratio (RR) and risk difference (RD) and 95% CIs. We assessed risk of bias using the Cochrane RoB 1 tool, and assessed the certainty of the evidence using GRADE. MAIN RESULTS We included eight RCTs (nine reports), which enroled 386 infants, in our review. Five of the eight studies were included in a meta-analysis. All studies enrolled preterm neonates. Facilitated tucking versus standard care (four studies) Facilitated tucking probably reduces Premature Infant Pain Profile (PIPP) score during endotracheal suctioning (MD -2.76, 95% CI 3.57 to 1.96; I² = 82%; 4 studies, 148 infants; moderate-certainty evidence). Facilitated tucking probably has little or no effect during endotracheal suctioning on: heart rate (MD -3.06 beats per minute (bpm), 95% CI -9.33 to 3.21; I² = 0%; 2 studies, 80 infants; low-certainty evidence); oxygen saturation (MD 0.87, 95% CI -1.33 to 3.08; I² = 0%; 2 studies, 80 infants; low-certainty evidence); or stress and defensive behaviours (SDB) (MD -1.20, 95% CI -3.47 to 1.07; 1 study, 20 infants; low-certainty evidence). Facilitated tucking may result in a slight increase in self-regulatory behaviours (SRB) during endotracheal suctioning (MD 0.90, 95% CI 0.20 to 1.60; 1 study, 20 infants; low-certainty evidence). No studies reported intraventricular haemorrhage (IVH). Familiar odour versus standard care (one study) Familiar odour during endotracheal suctioning probably has little or no effect on: PIPP score (MD -0.30, 95% CI -2.15 to 1.55; 1 study, 40 infants; low-certainty evidence); heart rate (MD -6.30 bpm, 95% CI -16.04 to 3.44; 1 study, 40 infants; low-certainty evidence); or oxygen saturation during endotracheal suctioning (MD -0.80, 95% CI -4.82 to 3.22; 1 study, 40 infants; low-certainty evidence). No studies reported SRB, SDB or IVH. White noise (one study) White noise during endotracheal suctioning probably has little or no effect on PIPP (MD -0.65, 95% CI -2.51 to 1.21; 1 study, 40 infants; low-certainty evidence); heart rate (MD -1.85 bpm, 95% CI -11.46 to 7.76; 1 study, 40 infants; low-certainty evidence); or oxygen saturation (MD 2.25, 95% CI -2.03 to 6.53; 1 study, 40 infants; low-certainty evidence). No studies reported SRB, SDB or IVH. AUTHORS' CONCLUSIONS Facilitated tucking / four-handed care / gentle human touch probably reduces PIPP score. The evidence of a single study suggests that facilitated tucking / four-handed care / gentle human touch slightly increases self-regulatory and approach behaviours during endotracheal suctioning. Based on a single study, familiar odour and white noise have little or no effect on any of the outcomes compared to no intervention. The use of expressed breast milk or oral sucrose suggests that there is no discernible advantage of one method over the other for reducing pain during endotracheal suctioning. None of the studies reported on any of the prespecified secondary outcomes of adverse events.
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Affiliation(s)
| | - Katrien Beeckman
- Midwifery Research, Education and Policymaking, Universiteit Antwerpen, Brussel, Belgium
| | - Isabel Ooms
- Physiotherapy and Neonatology, UZ Brussel, Jette, Belgium
| | - Filip Cools
- Neonatology, UZ Brussel, Jette, Belgium
- CEBAM, Belgian Centre for Evidence-Based Medicine, Leuven, Belgium
- Vrije Universiteit Brussel, Brussels, Belgium
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Wang Z, Zhang C, Williams PL, Bellavia A, Wylie BJ, Kannan K, Bloom MS, Hunt KJ, James-Todd T. Racial and ethnic disparities in preterm birth: a mediation analysis incorporating mixtures of polybrominated diphenyl ethers. Front Reprod Health 2024; 5:1285444. [PMID: 38260052 PMCID: PMC10800537 DOI: 10.3389/frph.2023.1285444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 12/12/2023] [Indexed: 01/24/2024] Open
Abstract
Background Racial and ethnic disparities persist in preterm birth (PTB) and gestational age (GA) at delivery in the United States. It remains unclear whether exposure to environmental chemicals contributes to these disparities. Objectives We applied recent methodologies incorporating environmental mixtures as mediators in causal mediation analysis to examine whether racial and ethnic disparities in GA at delivery and PTB may be partially explained by exposures to polybrominated diphenyl ethers (PBDEs), a class of chemicals used as flame retardants in the United States. Methods Data from a multiracial/ethnic US cohort of 2008 individuals with low-risk singleton pregnancies were utilized, with plasma PBDE concentrations measured during early pregnancy. We performed mediation analyses incorporating three forms of mediators: (1) reducing all PBDEs to a weighted index, (2) selecting a PBDE congener, or (3) including all congeners simultaneously as multiple mediators, to evaluate whether PBDEs may contribute to the racial and ethnic disparities in PTB and GA at delivery, adjusted for potential confounders. Results Among the 2008 participants, 552 self-identified as non-Hispanic White, 504 self-identified as non-Hispanic Black, 568 self-identified as Hispanic, and 384 self-identified as Asian/Pacific Islander. The non-Hispanic Black individuals had the highest mean ∑PBDEs, the shortest mean GA at delivery, and the highest rate of PTB. Overall, the difference in GA at delivery comparing non-Hispanic Black to non-Hispanic White women was -0.30 (95% CI: -0.54, -0.05) weeks. This disparity reduced to -0.23 (95% CI: -0.49, 0.02) and -0.18 (95% CI: -0.46, 0.10) weeks if fixing everyone's weighted index of PBDEs to the median and the 25th percentile levels, respectively. The proportion of disparity mediated by the weighted index of PBDEs was 11.8%. No statistically significant mediation was found for PTB, other forms of mediator(s), or other racial and ethnic groups. Conclusion PBDE mixtures may partially mediate the Black vs. White disparity in GA at delivery. While further validations are needed, lowering the PBDEs at the population level might help reduce this disparity.
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Affiliation(s)
- Zifan Wang
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Cuilin Zhang
- Global Center for Asian Women’s Health, Bia-Echo Asia Centre for Reproductive Longevity & Equality (ACRLE), NUS Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Department of Obstetrics & Gynecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Paige L. Williams
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Andrea Bellavia
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Blair J. Wylie
- Department of Obstetrics and Gynecology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, United States
| | | | - Michael S. Bloom
- Department of Global and Community Health, George Mason University, Fairfax, VA, United States
| | - Kelly J. Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, United States
| | - Tamarra James-Todd
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States
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23
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Bouqoufi A, Lahlou L, Ait El Hadj F, Boujraf S, Abdessadek M, Khabbal Y. Self-medication practice among pregnant and postpartum women attending the regional hospital center of Souss Massa, Morocco: a cross-sectional study. Front Pharmacol 2024; 14:1233678. [PMID: 38259286 PMCID: PMC10800875 DOI: 10.3389/fphar.2023.1233678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 12/18/2023] [Indexed: 01/24/2024] Open
Abstract
Background: Self-medication among pregnant women represents a serious risk to the mother's and child's health. It is a global concern that requires careful attention from professionals in healthcare. In Morocco, there is a lack of available data on self-medication and predicting variables among pregnant and postpartum women. The purpose of this study was to determine the incidence of self-medication and the factors that contributed to it among pregnant and postpartum women in the Sous Massa Regional Hospital. Methods: A cross-sectional study was conducted using a pretested questionnaire among 420 pregnant and postpartum women who were attending the regional hospital center of the Sous Massa region from April to December 2022. Statistical analysis was performed using Jamovi Software. The logistic regression analysis was used to determine the significance of the association between the outcome and independent variables. Results: The research enrolled 420 pregnant and postpartum women. During the current pregnancy, 24.8% of the women used self-medication. The leading common causes/symptoms that necessitate self-medication among pregnant and postpartum women were Anemia (84.8%), epigastralgia (16.8%), vomiting, pyrosis (15.2%), and urinary and vaginal infections The therapeutic families concerned with self-medication practice were Analgesics (41.4%), Antacids (20.3%), antimicrobials (13.5%), and Vitamin supplements (9%). According to the findings, the most frequent sources of information were pharmacists (45.6%), followed by physicians (44.3%). The primary reasons given by respondents for self-medication were the need for rapid release (51.7%), previous treatments with the same drugs (31.7%), and 20% reported difficulty of access to healthcare professionals. Out of 95.9% of the participants reported that they knew the dangers of self-medication and 96% of them were informed and received information about the dangers and contraindications of self-medication during pregnancy. This was significantly statistically associated with self-medication respectively with p-value = 0.031 and p-value = 0.005. Conclusion: The findings of the present study provide an initial awareness of the state of self-medication among pregnant and postpartum women attending the regional hospital centers. It is recommended that healthcare professionals increase their interventions to improve the consciousness of pregnant women; this might require implementing suitable strategies to regulate the commercialization, delivery, and use of conventional medications.
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Affiliation(s)
- Afaf Bouqoufi
- Laboratory of Innovation Research in Health Sciences, Team of Therapeutic Innovation, Translational Research and Epidemiology, Faculty of Medicine and Pharmacy, Ibn Zohr University, Agadir, Morocco
| | - Laila Lahlou
- Laboratory of Innovation Research in Health Sciences, Team of Therapeutic Innovation, Translational Research and Epidemiology, Faculty of Medicine and Pharmacy, Ibn Zohr University, Agadir, Morocco
| | - Fatima Ait El Hadj
- Laboratory of Innovation Research in Health Sciences, Team of Therapeutic Innovation, Translational Research and Epidemiology, Faculty of Medicine and Pharmacy, Ibn Zohr University, Agadir, Morocco
- Medical and Clinical Pharmacology Department, University Hospital Center Sous Massa, Agadir, Morocco
| | - Said Boujraf
- Faculty of Medicine and Pharmacy, Sidi Mohamed Ben Abdellah University, Fez, Morocco
| | - Mohammed Abdessadek
- Laayoune Higher School of Technology, Ibn Zohr University, Laayoune, Morocco
| | - Youssef Khabbal
- Laboratory of Innovation Research in Health Sciences, Team of Therapeutic Innovation, Translational Research and Epidemiology, Faculty of Medicine and Pharmacy, Ibn Zohr University, Agadir, Morocco
- Medical and Clinical Pharmacology Department, University Hospital Center Sous Massa, Agadir, Morocco
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Viswanathan AV, Pokaprakarn T, Kasaro MP, Shah HR, Prieto JC, Benabdelkader C, Sebastião YV, Sindano N, Stringer E, Stringer JSA. Deep learning to estimate gestational age from fly-to cineloop videos: A novel approach to ultrasound quality control. Int J Gynaecol Obstet 2024. [PMID: 38189177 DOI: 10.1002/ijgo.15321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 12/05/2023] [Accepted: 12/10/2023] [Indexed: 01/09/2024]
Abstract
OBJECTIVE Low-cost devices have made obstetric sonography possible in settings where it was previously unfeasible, but ensuring quality and consistency at scale remains a challenge. In the present study, we sought to create a tool to reduce substandard fetal biometry measurement while minimizing care disruption. METHODS We developed a deep learning artificial intelligence (AI) model to estimate gestational age (GA) in the second and third trimester from fly-to cineloops-brief videos acquired during routine ultrasound biometry-and evaluated its performance in comparison to expert sonographer measurement. We then introduced random error into fetal biometry measurements and analyzed the ability of the AI model to flag grossly inaccurate measurements such as those that might be obtained by a novice. RESULTS The mean absolute error (MAE) of our model (±standard error) was 3.87 ± 0.07 days, compared to 4.80 ± 0.10 days for expert biometry (difference -0.92 days; 95% CI: -1.10 to -0.76). Based on simulated novice biometry with average absolute error of 7.5%, our model reliably detected cases where novice biometry differed from expert biometry by 10 days or more, with an area under the receiver operating characteristics curve of 0.93 (95% CI: 0.92, 0.95), sensitivity of 81.0% (95% CI: 77.9, 83.8), and specificity of 89.9% (95% CI: 88.1, 91.5). These results held across a range of sensitivity analyses, including where the model was provided suboptimal truncated fly-to cineloops. CONCLUSIONS Our AI model estimated GA more accurately than expert biometry. Because fly-to cineloop videos can be obtained without any change to sonographer workflow, the model represents a no-cost guardrail that could be incorporated into both low-cost and commercial ultrasound devices to prevent reporting of most gross GA estimation errors.
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Affiliation(s)
- Ambika V Viswanathan
- Department of Obstetrics and Gynecology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - Teeranan Pokaprakarn
- Department of Obstetrics and Gynecology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
- Department of Biostatistics, University of North Carolina Gillings School of Global Public Health, Chapel Hill, North Carolina, USA
| | - Margaret P Kasaro
- Department of Obstetrics and Gynecology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
- UNC Global Projects - Zambia LLC, Lusaka, Zambia
| | - Hina R Shah
- Department of Psychiatry, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - Juan C Prieto
- Department of Psychiatry, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - Chiraz Benabdelkader
- Department of Obstetrics and Gynecology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - Yuri V Sebastião
- Department of Obstetrics and Gynecology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | | | - Elizabeth Stringer
- Department of Obstetrics and Gynecology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
- UNC Global Projects - Zambia LLC, Lusaka, Zambia
| | - Jeffrey S A Stringer
- Department of Obstetrics and Gynecology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
- UNC Global Projects - Zambia LLC, Lusaka, Zambia
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Chen P, Mu Y, Liu Z, Wang Y, Li X, Dai L, Li Q, Li M, Xie Y, Liang J, Zhu J. Association of interpregnancy interval and risk of adverse pregnancy outcomes in woman by different previous gestational ages. Chin Med J (Engl) 2024; 137:87-96. [PMID: 37660287 PMCID: PMC10766283 DOI: 10.1097/cm9.0000000000002801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Indexed: 09/04/2023] Open
Abstract
BACKGROUND With an increasing proportion of multiparas, proper interpregnancy intervals (IPIs) are urgently needed. However, the association between IPIs and adverse perinatal outcomes has always been debated. This study aimed to explore the association between IPIs and adverse outcomes in different fertility policy periods and for different previous gestational ages. METHODS We used individual data from China's National Maternal Near Miss Surveillance System between 2014 and 2019. Multivariable Poisson models with restricted cubic splines were used. Each adverse outcome was analyzed separately in the overall model and stratified models. The stratified models included different categories of fertility policy periods (2014-2015, 2016-2017, and 2018-2019) and infant gestational age in previous pregnancy (<28 weeks, 28-36 weeks, and ≥37 weeks). RESULTS There were 781,731 pregnancies enrolled in this study. A short IPI (≤6 months) was associated with an increased risk of preterm birth (OR [95% CI]: 1.63 [1.55, 1.71] for vaginal delivery [VD] and 1.10 [1.03, 1.19] for cesarean section [CS]), low Apgar scores and small for gestational age (SGA), and a decreased risk of diabetes mellitus in pregnancy, preeclampsia or eclampsia, and gestational hypertension. A long IPI (≥60 months) was associated with an increased risk of preterm birth (OR [95% CI]: 1.18 [1.11, 1.26] for VD and 1.39 [1.32, 1.47] for CS), placenta previa, postpartum hemorrhage, diabetes mellitus in pregnancy, preeclampsia or eclampsia, and gestational hypertension. Fertility policy changes had little effect on the association of IPIs and adverse maternal and neonatal outcomes. The estimated risk of preterm birth, low Apgar scores, SGA, diabetes mellitus in pregnancy, and gestational hypertension was more profound among women with previous term births than among those with preterm births or pregnancy loss. CONCLUSION For pregnant women with shorter or longer IPIs, more targeted health care measures during pregnancy should be formulated according to infant gestational age in previous pregnancy.
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Affiliation(s)
- Peiran Chen
- National Office for Maternal and Child Health Surveillance of China, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610066, China
| | - Yi Mu
- National Office for Maternal and Child Health Surveillance of China, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610066, China
| | - Zheng Liu
- National Office for Maternal and Child Health Surveillance of China, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610066, China
| | - Yanping Wang
- National Office for Maternal and Child Health Surveillance of China, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610066, China
| | - Xiaohong Li
- National Office for Maternal and Child Health Surveillance of China, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610066, China
| | - Li Dai
- National Office for Maternal and Child Health Surveillance of China, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610066, China
| | - Qi Li
- National Office for Maternal and Child Health Surveillance of China, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610066, China
| | - Mingrong Li
- National Office for Maternal and Child Health Surveillance of China, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610066, China
| | - Yanxia Xie
- National Office for Maternal and Child Health Surveillance of China, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610066, China
| | - Juan Liang
- National Office for Maternal and Child Health Surveillance of China, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610066, China
- Department of Obstetrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610066, China
| | - Jun Zhu
- National Office for Maternal and Child Health Surveillance of China, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610066, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, Sichuan 610066, China
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El Raichani N, Thibault M, Alvarez F, Lavoie JC, Mohamed I. The effects of gestational age on neonatal cholestasis: A retrospective cohort study. J Neonatal Perinatal Med 2024; 17:101-110. [PMID: 38251066 DOI: 10.3233/npm-230034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
BACKGROUND Reference guidelines for neonatal conjugated hyperbilirubinemia (cholestasis) management use a uniform approach regardless of gestational age (GA). We hypothesize that the clinical pattern of neonatal cholestasis is tightly related to GA. The aim of this study was to describe the effects of GA on neonatal cholestasis. METHODS A retrospective 4-year cohort study in a 70-bed neonatal care unit. Neonates with conjugated bilirubin≥34.2μmol/L (2 mg/dL) were identified. The incidence, clinical characteristics, etiology, treatment, and prognosis were compared between infants <32 and≥32 weeks GA. RESULTS Overall incidence of cholestasis was 4% (125/3402). It was >5 times higher and the mean duration was >1.5 times longer in neonates <32 weeks GA (10% versus 1.8%, p <0.01 and 49 versus 31 days, p <0.01, respectively). The onset of cholestasis was later in neonates <32 weeks (22 versus 10 days of life, p <0.001). This later onset of cholestasis was associated with parenteral nutrition, whereas the earlier onset was associated with other causes. Treatment using fish oil lipids was more frequently administrated to infants <32 weeks GA, whereas Ursodeoxycholic acid was administrated more frequently in≥32 weeks GA. Cholestasis resolved during hospitalization in 73% of <32 versus 38% in≥32 weeks GA infants (p <0.01). CONCLUSIONS The incidence, clinical presentation, etiology, treatment, and clinical evolution of neonatal cholestasis were all significantly affected by GA. Our results support the use of a GA-oriented approach for the management of neonatal cholestasis.
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Affiliation(s)
- N El Raichani
- Department of Nutrition, University of Montreal, Montreal, QC, Canada
| | - M Thibault
- Department of Pharmacy, CHU Sainte-Justine, Montreal, QC, Canada
| | - F Alvarez
- Department of Pediatrics-Gastroenterology, Hepatology and Nutrition, CHU Sainte-Justine, University of Montreal, Montreal, QC, Canada
| | - J-C Lavoie
- Department of Nutrition, University of Montreal, Montreal, QC, Canada
- Departments of Pediatrics-Neonatology, CHU Sainte-Justine, University of Montreal, Montreal, QC, Canada
| | - I Mohamed
- Department of Nutrition, University of Montreal, Montreal, QC, Canada
- Departments of Pediatrics-Neonatology, CHU Sainte-Justine, University of Montreal, Montreal, QC, Canada
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Meireson E, De Rycke L, Bijnens EM, Dehaene I, De Bock S, Derom C, Roelens K. Birth outcomes of twins after multifetal pregnancy reduction compared with primary twins. Am J Obstet Gynecol MFM 2024; 6:101230. [PMID: 37984690 DOI: 10.1016/j.ajogmf.2023.101230] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 11/14/2023] [Indexed: 11/22/2023]
Abstract
BACKGROUND The introduction of assisted reproductive technology and the trend of increasing maternal age at conception have contributed to a significant rise in the incidence of multiple pregnancies. Multiple pregnancies bear several inherent risks for both mother and child. These risks increase with plurality and type of chorionicity. Multifetal pregnancy reduction is the selective abortion of ≥1 fetuses to improve the outcome of the remaining fetus(es) by decreasing the risk of premature birth and other complications. OBJECTIVE This study aimed to compare birth outcomes of trichorionic triplets reduced to twins with those of trichorionic triplets and primary dichorionic twins. The added value of this study is the comparison with an additional control group, namely primary dichorionic twins. STUDY DESIGN This was a retrospective cohort study. Data from January 1990 to November 2016 were collected from the East Flanders Prospective Twin Survey, one of the largest European multiple birth registries. A total of 85 trichorionic triplet pregnancies (170 neonates) undergoing multifetal pregnancy reduction to twins were compared with 5093 primary dichorionic twin pregnancies (10,186 neonates) and 104 expectantly managed trichorionic triplet pregnancies (309 neonates). The assessed outcomes were gestational age at delivery, birthweight, and small for gestational age. RESULTS Pregnancy reduction from triplets to twins was associated with higher birthweight (+365.44 g; 95% confidence interval, 222.75-508.14 g; P<.0001) and higher gestational age (1.7 weeks; 95% confidence interval, 0.93-2.46; P<.0001) compared with ongoing trichorionic triplets after adjustment for sex, parity, method of conception, birth year, and maternal age. A trend toward lower risk of small for gestational age was observed. Reduced triplets had, on average, lower birthweight (-263.12 g; 95% confidence interval, -371.80 to -154.44 g; P<.0001) and lower gestational age (-1.13 weeks; 95% confidence interval, -1.70 to -0.56; P=.0001) compared with primary twins. No statistically significant difference was observed between primary twins and reduced triplets that reached 32 weeks of gestation. CONCLUSION Multifetal pregnancy reduction from trichorionic triplets to twins significantly improved birth outcomes. This suggests that multifetal pregnancy reduction of trichorionic triplets to twins is medically justifiable. However, the birth outcomes of primary twins before 32 weeks of gestation are still better than those of reduced triplets. The process of multifetal pregnancy reduction includes at least 1 fetal death by definition, and thus prevention of higher-order pregnancies is preferable.
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Affiliation(s)
- Eline Meireson
- Department of Human Structure and Repair, Ghent University, Ghent, Belgium (Ms Meireson and Dr Roelens); Department of Obstetrics and Gynaecology, Ghent University Hospital, Ghent, Belgium (Ms Meireson and Drs De Rycke, Dehaene, Derom, and Roelens).
| | - Laura De Rycke
- Department of Obstetrics and Gynaecology, Ghent University Hospital, Ghent, Belgium (Ms Meireson and Drs De Rycke, Dehaene, Derom, and Roelens)
| | - Esmée M Bijnens
- Centre for Environmental Sciences, Hasselt University, Diepenbeek, Belgium (Dr Bijnens); Department of Environmental Sciences, Open University of the Netherlands, Heerlen, The Netherlands (Dr Bijnens)
| | - Isabelle Dehaene
- Department of Obstetrics and Gynaecology, Ghent University Hospital, Ghent, Belgium (Ms Meireson and Drs De Rycke, Dehaene, Derom, and Roelens)
| | - Sophie De Bock
- Department of Public Health and Primary Care, Ghent University, Ghent, Belgium (Dr De Bock)
| | - Catherine Derom
- Department of Obstetrics and Gynaecology, Ghent University Hospital, Ghent, Belgium (Ms Meireson and Drs De Rycke, Dehaene, Derom, and Roelens)
| | - Kristien Roelens
- Department of Human Structure and Repair, Ghent University, Ghent, Belgium (Ms Meireson and Dr Roelens); Department of Obstetrics and Gynaecology, Ghent University Hospital, Ghent, Belgium (Ms Meireson and Drs De Rycke, Dehaene, Derom, and Roelens)
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Cersonsky TEK, Cersonsky RK, Silver RM, Dudley DJ, Pinar H. Placental Lesions Associated With Stillbirth by Gestational Age, as Related to Cause of Death: Follow-Up Results From the Stillbirth Collaborative Research Network. Pediatr Dev Pathol 2024; 27:39-44. [PMID: 37749052 DOI: 10.1177/10935266231197349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
BACKGROUND We previously identified placental lesions associated with stillbirths of varying gestational ages (GA) using advanced feature analysis. We further investigated the relationships between placental lesions and cause of death in stillbirths within these GA ranges. METHODS Using data from the Stillbirth Collaborative Research Network, we derived a sample of stillbirths who underwent placental examination and Initial Causes of Fetal Death (INCODE) evaluation for determining cause of death. We then compared the rates of causes of death within and among GA ranges (extreme preterm stillbirth [PTSB] [<28 weeks], early PTSB [28-336/7 weeks], late PTSB [34-366/7 weeks], term stillbirth [≥37 weeks]) according to the presence of these lesions. RESULTS We evaluated 352 stillbirths. In extreme PTSB, obstetric complications and infections were associated with acute funisitis. In early PTSB, uteroplacental insufficiency was associated with parenchymal infarcts. In term stillbirth (vs early PTSB), increased syncytial knots were associated with umbilical cord causes and infection. CONCLUSIONS Placental lesions of high importance in distinguishing stillbirths at different GAs are associated with specific causes of death. This information is important in relating the presence of placental lesions and fetal death and in helping to understand etiologies of stillbirths at different GAs.
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Affiliation(s)
| | - Rose K Cersonsky
- Department of Chemical and Biological Engineering, University of Wisconsin, Madison, WI, USA
| | - Robert M Silver
- Department of Obstetrics & Gynecology, University of Utah School of Medicine, Salt Lake City, UT, USA
| | - Donald J Dudley
- Department of Obstetrics & Gynecology, University of Virginia, Charlottesville, VA, USA
| | - Halit Pinar
- Warren Alpert Medical School of Brown University, Providence, RI, USA
- Department of Pathology, Women and Infants Hospital of Rhode Island, Providence, RI, USA
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Jain A, Meshram RJ, Lohiya S, Patel A, Kaplish D. Exploring the Microbial Landscape of Neonatal Skin Flora: A Comprehensive Review. Cureus 2024; 16:e52972. [PMID: 38406113 PMCID: PMC10894447 DOI: 10.7759/cureus.52972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 01/26/2024] [Indexed: 02/27/2024] Open
Abstract
This comprehensive review explores the intricate landscape of the neonatal skin microbiome, shedding light on its dynamic composition, developmental nuances, and influential factors. The neonatal period represents a critical window during which microbial colonization significantly impacts local skin health and the foundational development of the immune system. Factors such as mode of delivery and gestational age underscore the vulnerability of neonates to disruptions in microbial establishment. Key findings emphasize the broader systemic implications of the neonatal skin microbiome, extending beyond immediate health outcomes to influence susceptibility to infections, allergies, and immune-related disorders. This review advocates for a paradigm shift in neonatal care, proposing strategies to preserve and promote a healthy skin microbiome for long-term health benefits. The implications of this research extend to public health, where interventions targeting the neonatal skin microbiome could potentially mitigate diseases originating in early life. As we navigate the intersection of research and practical applications, bridging the gap between knowledge and implementation becomes imperative for translating these findings into evidence-based practices and improving neonatal well-being on a broader scale.
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Affiliation(s)
- Aditya Jain
- Pediatrics, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Revat J Meshram
- Pediatrics, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Sham Lohiya
- Pediatrics, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Ankita Patel
- Pediatrics, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Divyanshi Kaplish
- Pediatrics, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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Einum A, Sørbye LM, Nilsen RM, Ebbing C, Morken NH. Unveiling sex bias and adverse neonatal outcomes in ultrasound estimation of gestational age: A population-based cohort study. Paediatr Perinat Epidemiol 2024; 38:34-42. [PMID: 38084604 DOI: 10.1111/ppe.13029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 11/24/2023] [Accepted: 11/28/2023] [Indexed: 01/23/2024]
Abstract
BACKGROUND Gestational age estimation by second-trimester ultrasound biometry introduces systematic errors due to sex differences in early foetal growth, consequently increasing the risk of adverse neonatal outcomes. Ultrasound estimation earlier in pregnancy may reduce this bias. OBJECTIVES To investigate the distribution of sex ratio by gestational age and estimate the risk of adverse outcomes in male foetuses born early-term and female foetuses born post-term by first- and second-trimester ultrasound estimations. METHODS This population-based study compared two cohorts of births with gestational age based on first- and second-trimester ultrasound in the Medical Birth Registry of Norway between 2016 and 2020. We used a log-binomial regression model to estimate adjusted relative risk (RR) with 95% confidence interval (CI) for Apgar score <7 at 5 min, umbilical artery pH <7.05, neonatal intensive care unit (NICU) admission and respiratory morbidity in relation to foetal sex. RESULTS The sex ratio at birth in gestational weeks 36-43 showed less male predominance in pregnancies estimated in first compared to second trimester. Any adverse outcome was registered in 627 of 4470 male infants born in gestational weeks 37-38 and 618 of 6406 females born ≥41 weeks. Male infants born in weeks 37-38 had lower risk of NICU admission (RR 0.76, 95% CI 0.58, 0.99), Apgar score <7 at 5 min (RR 0.63, 95% CI 0.28, 1.41) and respiratory morbidity (RR 0.68, 95% CI 0.37, 1.25) in first- compared to second-trimester estimations. Female infants estimated in first trimester born ≥41 weeks had lower risk of umbilical artery pH <7.05, NICU admissions and respiratory morbidity; however, CIs were wide. CONCLUSIONS Early ultrasound estimation of gestational age may reduce the excess risk of adverse neonatal outcomes and highlight the role of foetal sex and the timing of ultrasound assessment in the clinical evaluation of preterm and post-term pregnancies.
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Affiliation(s)
- Anders Einum
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Obstetrics and Gynecology, Haukeland University Hospital, Bergen, Norway
| | - Linn Marie Sørbye
- Department of Obstetrics and Gynecology, Haukeland University Hospital, Bergen, Norway
- Faculty of Health and Social Sciences, Western Norway University of Applied Sciences, Bergen, Norway
| | - Roy Miodini Nilsen
- Faculty of Health and Social Sciences, Western Norway University of Applied Sciences, Bergen, Norway
| | - Cathrine Ebbing
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Obstetrics and Gynecology, Haukeland University Hospital, Bergen, Norway
| | - Nils-Halvdan Morken
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Obstetrics and Gynecology, Haukeland University Hospital, Bergen, Norway
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31
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John S, Joseph KS, Fahey J, Liu S, Kramer MS. The clinical performance and population health impact of birthweight-for- gestational age indices at term gestation. Paediatr Perinat Epidemiol 2024; 38:1-11. [PMID: 37337693 DOI: 10.1111/ppe.12994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 06/08/2023] [Accepted: 06/11/2023] [Indexed: 06/21/2023]
Abstract
BACKGROUND The assessment of birthweight for gestational age and the identification of small- and large-for-gestational age (SGA and LGA) infants remain contentious, despite the recent creation of the Intergrowth 21st Project and World Health Organisation (WHO) birthweight-for-gestational age standards. OBJECTIVE We carried out a study to identify birthweight-for-gestational age cut-offs, and corresponding population-based, Intergrowth 21st and WHO centiles associated with higher risks of adverse neonatal outcomes, and to evaluate their ability to predict serious neonatal morbidity and neonatal mortality (SNMM) at term gestation. METHODS The study population was based on non-anomalous, singleton live births between 37 and 41 weeks' gestation in the United States from 2003 to 2017. SNMM included 5-min Apgar score <4, neonatal seizures, need for assisted ventilation, and neonatal death. Birthweight-specific SNMM was modelled by gestational week using penalised B-splines. The birthweights at which SNMM odds were minimised (and higher by 10%, 50% and 100%) were estimated, and the corresponding population, Intergrowth 21st, and WHO centiles were identified. The clinical performance and population impact of these cut-offs for predicting SNMM were evaluated. RESULTS The study included 40,179,663 live births and 991,486 SNMM cases. Among female singletons at 39 weeks' gestation, SNMM odds was lowest at 3203 g birthweight, and 10% higher at 2835 g and 3685 g (population centiles 11th and 82nd, Intergrowth centiles 17th and 88th and WHO centiles 15th and 85th). Birthweight cut-offs were poor predictors of SNMM, for example, the cut-offs associated with 10% and 50% higher odds of SNMM among female singletons at 39 weeks' gestation resulted in a sensitivity, specificity, and population attributable fraction of 12.5%, 89.4%, and 2.1%, and 2.9%, 98.4% and 1.3%, respectively. CONCLUSIONS Reference- and standard-based birthweight-for-gestational age indices and centiles perform poorly for predicting adverse neonatal outcomes in individual infants, and their associated population impact is also small.
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Affiliation(s)
- Sid John
- Department of Obstetrics and Gynaecology, University of British Columbia and the Children's and Women's Hospital and Health Centre of British Columbia, Vancouver, British Columbia, Canada
| | - K S Joseph
- Department of Obstetrics and Gynaecology, University of British Columbia and the Children's and Women's Hospital and Health Centre of British Columbia, Vancouver, British Columbia, Canada
- School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - John Fahey
- Reproductive Care Program of Nova Scotia, Halifax, Nova Scotia, Canada
| | - Shiliang Liu
- Centre for Surveillance and Applied Research, Public Health Agency of Canada and the School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada
| | - Michael S Kramer
- Departments of Epidemiology and Occupation Health and of Pediatrics, McGill University, Montréal, Quebec, Canada
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Gibbs LR, Ali AK, Albright DG, Rubinstein ER, Klesh R, Zimmerman R, Garry EM. Characteristics and outcomes of pregnancies in the Maternal Outcomes Masterset real-world database. Pharmacoepidemiol Drug Saf 2024; 33:e5697. [PMID: 37743799 DOI: 10.1002/pds.5697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 06/30/2023] [Accepted: 09/04/2023] [Indexed: 09/26/2023]
Abstract
PURPOSE Describe patient characteristics and pregnancy outcomes among all pregnant patients, and additionally describe infant outcomes among the subset with linked infants in the Maternal Outcomes Masterset (MOM). METHODS We used closed claims within the MOM data to identify publicly and privately insured patients at the first record of pregnancy January 1, 2018-December 1, 2021, with ≥180 days baseline enrollment. We described characteristics during baseline and follow-up (until an observed pregnancy endpoint, disenrollment, or 42-week maximum). We described maternal and infant characteristics overall and by infant linkage and contextualized them within national statistics. RESULTS Among the 1 438 861 pregnant patients meeting the study criteria, the most common pregnancy endpoint recorded was live birth (42%) followed by spontaneous abortion (14%). Among 602 721 patients with a live birth, 99% had a week-specific gestational age recorded and 35% had at least one linked infant. Patients with infant linkage and sufficient follow-up (N = 155 621) had similar baseline comorbidities, pregnancy complications, and gestational age at delivery as those without any linkage. However, more patients with linkage had commercial coverage (70% vs. 31%), and were therefore older (50% vs. 31% aged ≥30 years) and more likely to have an unknown race (57% vs. 34%). CONCLUSIONS In this large sample of pregnant patients, maternal and infant characteristics generally align with national statistics, providing confidence in the use of this data source for pregnancy research. Further, confirmation that the subset of patients with infant linkage is similar to the overall pregnancy cohort provides assurance that this subset can be considered representative.
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Affiliation(s)
- Liza R Gibbs
- Scientific Research and Strategy, Aetion, Inc., New York, New York, USA
- Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts, USA
| | - Ayad K Ali
- Scientific Research and Strategy, Aetion, Inc., New York, New York, USA
| | - Dawn G Albright
- Scientific Data Insights, Aetion, Inc., New York, New York, USA
| | | | - Reyna Klesh
- Data Product & Innovation, HealthVerity, Inc., Philadelphia, Pennsylvania, USA
| | - Ruth Zimmerman
- Data Insights & Analytics, HealthVerity, Inc., Philadelphia, Pennsylvania, USA
| | - Elizabeth M Garry
- Scientific Research and Strategy, Aetion, Inc., New York, New York, USA
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Ekpa QL, Udoudo MI, Nwebeh EI, Nwebeh OC. Preterm Prelabour Rupture of Membrane (PPROM) in a Young Female in South-South Nigeria: A Clinical Case Report. Cureus 2024; 16:e51649. [PMID: 38313973 PMCID: PMC10838058 DOI: 10.7759/cureus.51649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/03/2024] [Indexed: 02/06/2024] Open
Abstract
A 30-year-old in a second pregnancy presented with new-onset spontaneous vaginal discharge of clear liquid for two hours at a gestational age of 29 weeks + 6 days; no other symptoms were present. Movement aggravated vaginal fluid leakage. She appeared anxious but otherwise vitally stable. An immediate ultrasound scan revealed reduced liquor volume. Conservative management was followed by the surgical delivery of a live preterm neonate. The neonate was admitted to the Special Care Baby Unit and the mother was monitored post-surgically in the obstetric ward. Several studies have described the etiology, pathogenesis, and various approaches to the management of Preterm Prelabour Rupture of Membranes (PPROM); however, there is no single global guideline for managing this condition. There is a consensus that PPROM is a notable risk factor for preterm labor, and significantly impacts both maternal and neonatal morbidity, as well as neonatal mortality. We compared epidemiology across other countries to the statistics obtained from Nigeria as well as management guidelines. Studies have also described the advantages of conservative management over proactive surgical intervention in improving neonatal outcomes. Moreover, the management of PPROM is affected by healthcare resources in different countries and their national protocol, and the impact is significant in developing countries like Nigeria such as the age of fetal viability and the lack of a national protocol. This paper explores PPROM and an uncommon presentation of spontaneous PPROM in the South-South region of Nigeria with only drainage of liquor. This case exemplifies the management approaches of PPROM in an underserved community and the factors that affect the survival of neonates in these communities. The index patient was initially managed conservatively and subsequently delivered a live preterm neonate surgically with good APGAR (appearance, pulse, grimace, activity, and respiration) scores. We expect this case report to prompt a unifying guideline for managing PPROM cases while encouraging advanced research and financial support of PPROM screening and treatment in low-income countries.
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Affiliation(s)
- Queen L Ekpa
- General Practice, Conestoga College, Kitchener, CAN
| | - Mfonabasi I Udoudo
- Obstetrics and Gynaecology, University of Uyo Teaching Hospital, Uyo, NGA
| | | | - Obinna C Nwebeh
- Family Medicine, Alex Ekwueme Federal University Teaching Hospital, Abakaliki, NGA
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Kacar E, Tan F, Sahinturk S, Zorlu G, Serhatlioglu I, Bulmus O, Ercan Z, Kelestimur H. Modulation of Melatonin Receptors Regulates Reproductive Physiology: The Impact of Agomelatine on the Estrus Cycle, Gestation, Offspring, and Uterine Contractions in Rats. Physiol Res 2023; 72:793-807. [PMID: 38215065 PMCID: PMC10805256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 08/22/2023] [Indexed: 01/14/2024] Open
Abstract
Agomelatine is a pharmaceutical compound that functions as an agonist for melatonin receptors, with a particular affinity for the MT1 and MT2 receptor subtypes. Its mode of action is integral to the regulation of diverse physiological processes, encompassing the orchestration of circadian rhythms, sleep-wake cycles, and mood modulation. In the present study, we delve into the intricate interplay between agomelatine and the modulation of estrus cycles, gestation periods, offspring numbers, and uterine contractions, shedding light on their collective impact on reproductive physiology. Both in vivo and in vitro experiments were performed. Wistar Albino rats, divided into four groups: two non-pregnant groups (D1 and D2) and two pregnant groups (G1 and G2). The D1 and G1 groups served as control groups, while the D2 and G2 groups received chronic agomelatine administration (10 mg/kg). Uterine contractions were assessed in vitro using myometrial strips. Luzindole, a melatonin receptor antagonist, was employed to investigate the pathway mediating agomelatine's effects on uterine contractions. In in vivo studies, chronic agomelatine administration extended the diestrus phase (p<0.05) in non-pregnant rats, prolonged the gestational period (p<0.01), and increased the fetal count (p<0.01) in pregnant rats. Additionally, agomelatine reduced plasma oxytocin and prostoglandin-E levels (p<0.01) during pregnancy. In vitro experiments showed that agomelatine dose-dependently inhibited spontaneous and oxytocin-induced myometrial contractions. Luzindole (2 µM) reverse the agomelatine-induced inhibition of myometrial contractions. These findings suggest that agomelatine holds the potential to modulate diverse reproductive parameters during the gestational period, influencing estrus cycling, gestational progression, offspring development, and the orchestration of uterine contractions.
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Affiliation(s)
- E Kacar
- Firat University, Faculty of Medicine, Physiology Department, Elazig, Turkey
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Ikuta T, Iwatani S, Yoshimoto S. Determination and verification of reference intervals of serum immunoglobulin G at birth. Ann Clin Biochem 2023:45632231225326. [PMID: 38135290 DOI: 10.1177/00045632231225326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2023]
Abstract
BACKGROUND To accurately assess hypogammaglobulinemia at birth, it is essential to determine the reference intervals of serum immunoglobulin (IgG) levels in newborns. In the present study, we determined the gestational age (GA)-/birth weight (BW)-dependent percentile-based reference intervals of serum IgG levels and converted them into simple formulas for practical use. METHODS Serum IgG levels were measured in cord blood from 2902 newborns delivered at 22 to 41 weeks of GA or 264 to 4642 g of BW after exclusion of those with congenital disorders. Linear regression analysis was used to correlate GA and UC-IgG levels and BW and UC-IgG levels. After calculation of the percentile values of UC-IgG levels for each GA or BW, the distributions were approximated by the least-squares method. Fitness was evaluated by the coefficient of determination (R2). RESULTS Significant positive correlations were found both between GA and UC-IgG levels (rs = 0.790, P < 0.001) and BW and UC-IgG levels (rs = 0.626, P < 0.001). The distribution of the 5%ile of UC-IgG levels (Y) by GA or BW (X) was approximated as a straight line (Y = 37.5 *X - 775.8; Y = 0.161 *X + 95.34, respectively). The fitness was stronger in the GA-derived formula than the BW-derived formula (R2 = 0.973 vs 0.913). CONCLUSIONS We established GA-/BW-dependent reference percentile-based intervals for serum IgG levels using cord blood from 2902 newborns without congenital disorders. Using GA-dependent reference intervals may be useful for assessing hypogammaglobulinemia at birth.
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Affiliation(s)
- Toshihiko Ikuta
- Department of Neonatology, Hyogo Prefectural Kobe Children's Hospital Perinatal Center, Kobe, Japan
| | - Sota Iwatani
- Department of Neonatology, Hyogo Prefectural Kobe Children's Hospital Perinatal Center, Kobe, Japan
| | - Seiji Yoshimoto
- Department of Neonatology, Hyogo Prefectural Kobe Children's Hospital Perinatal Center, Kobe, Japan
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Gao K, Zhao W, Chen L, Zeng K, Wang J, Yu X, Li Z. Prevalence and association of early onset severe hyperbilirubinemia in newborn in the East China region: Retrospective medical record analyses. Medicine (Baltimore) 2023; 102:e36346. [PMID: 38065921 PMCID: PMC10713135 DOI: 10.1097/md.0000000000036346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 11/06/2023] [Indexed: 12/18/2023] Open
Abstract
Research on the prevalence and association of hyperbilirubinemia is controversial because of different cultures, demographics, and clinical conditions. The etiology of hyperbilirubinemia is affected by the environment and other factors in the newborn. The World Health Organization recommended a 1-day hospital stay after uncomplicated delivery, jaundice assessment before discharge, and screening on 3rd and 7th days after birth for hyperbilirubinemia. However, the implementation of these recommendations is difficult in China. The objective of this study was to evaluate the prevalence and association of early onset severe hyperbilirubinemia in newborns in East China. Retrospective medical record analyses for 250 cesarean sections or vaginal deliveries, ≥2 kg body weight, and negative for Hepatitis B surface antigen by birth newborns were performed. A biochemical analyzer, quantitative assay, and quantitative polymerase chain reaction were used to evaluate total serum bilirubin, glucose-6-phosphate dehydrogenase (G6PD) deficiency, and gene variant phenotyping, respectively. A total in 33 (13%) newborns were reported with early onset severe hyperbilirubinemia (according to the American Academy of Pediatrics, total serum bilirubin ≥ 342 μmol/L within 6 hours of birth). All newborns with severe hyperbilirubinemia were hospitalized and underwent phototherapy. The mothers of all newborns had a gestational age ≥ 35 weeks. Hospitalization included artificial feeding, and breastfeeding was rare (P < .0001). ABO incompatibility ("O" blood type for mother and either "A" or "AB" or "B" blood type for newborn, P = .0411), G6PD deficiency (G6PD/6-phosphogluconate dehydrogenase ≤ 1.0 in quantitative assay, P = .0422), Rh incompatibility (the mother's blood type was Rh negative and newborn blood type was Rh positive, P = .0416), fewer genotype rs4149056 frequencies (P = .0452), higher genotype rs2306283 frequencies (P = .0461), and higher genotype rs1805173 frequencies (P = .0471) were independent parameter for early onset severe hyperbilirubinemia of newborns. The prevalence of early onset severe hyperbilirubinemia in Chinese newborns is 13% in the East China region. Blood incompatibility, G6PD deficiency, fewer genotype rs4149056 frequencies, higher genotype rs2306283 frequencies, and higher genotype rs1805173 frequencies were independent predictors of early onset severe hyperbilirubinemia among newborns in the East China region (Level of Evidence: IV; Technical Efficacy: Stage 5).
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Affiliation(s)
- Ke Gao
- Department of Pediatrics, the First Affiliated Hospital of Ningbo University, Zhejiang, China
| | - Wu Zhao
- Department of Pediatrics, the First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, China
| | - Lijun Chen
- Department of Pediatrics, the First Affiliated Hospital of Ningbo University, Zhejiang, China
| | - Ke Zeng
- Department of Pediatrics, the First Affiliated Hospital of Ningbo University, Zhejiang, China
| | - Jichao Wang
- Department of Pediatrics, the First Affiliated Hospital of Ningbo University, Zhejiang, China
| | - Xiping Yu
- Department of Pediatrics, the First Affiliated Hospital of Ningbo University, Zhejiang, China
| | - Zhifei Li
- Department of Pediatrics, the First Affiliated Hospital of Ningbo University, Zhejiang, China
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Dereje I, Awol M, Getaye A, Tujara Z, Alemu A, Negash A, Alemu F, Zakir H, Dinka A, Edosa D, Shigign I, Tunta A, Mekonnen M, Tolesa F, Bekele K, Merkeb B, Oyato B, Tesfa M. Estimating gestational age using the anthropometric measurements of newborns in North Shewa Zone public hospitals, Oromia, Ethiopia. Front Pediatr 2023; 11:1265036. [PMID: 38125819 PMCID: PMC10731036 DOI: 10.3389/fped.2023.1265036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 11/06/2023] [Indexed: 12/23/2023] Open
Abstract
Background The accurate estimation of gestational age is crucial in identifying prematurity and other health problems in newborns and in providing appropriate perinatal care. Although there are numerous methods for measuring gestational age, they are not always applicable. During these situations, it becomes challenging to ascertain whether a baby has been born prematurely or not. Therefore, this study aims to estimate gestational age by utilizing newborn anthropometric parameters. Purpose The objective of this study is to estimate the gestational age of newborns in public hospitals located in the North Shewa Zone of the Oromia Region in Ethiopia, by using anthropometric parameters. Methods A cross-sectional study was conducted at a facility from February 2022 to April 2022, using an interview-based questionnaire and anthropometric measurements. The anthropometric parameters that were measured include foot length (FL), mid-upper arm circumference (MUAC), and chest and head circumference (CHC). The study's sample size had a total of 420 participants. The data were cleaned, edited, manually checked for completeness, and entered into Epi-data version 3.1. Subsequently, the data were transferred into SPSS for analysis. The data were analyzed using descriptive analysis, simple linear regression, and multiple linear regressions. Finally, the data were presented using statements and tables. Results There is a significant and positive correlation between anthropometric parameters, including head circumference (r: 0.483), MUAC (r: 0.481), foot length (r: 0.457), and chest circumference (r: 0.482) with gestational age. All anthropometric parameters demonstrated positive and significant estimates of gestational age. The combination of the four measurements yielded the strongest estimate of gestational age. Gestational age can be calculated by the formula: Gestational age (Weeks) = 9.78 + 0.209*CHC + 0.607*MUAC + 0.727*FL + 0.322*HC. Conclusion Gestational age can be measured using head circumference, mid-upper arm circumference, foot length, and chest circumference. Utilizing the four anthropometric parameters in combination exhibits greater efficacy in estimating gestational age than using them individually. Therefore, it is recommended to use these alternative approaches when standard methods are not applicable.
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Affiliation(s)
- Ifa Dereje
- Department of Medicine, College of Health Sciences, Salale University, Fitche, Oromia, Ethiopia
| | - Mukemil Awol
- Department of Midwifery, College of Health Science, Salale University, Fitche, Oromia, Ethiopia
| | - Asfaw Getaye
- Department of Nursing, College of Health Science, Salale University, Fitche, Oromia, Ethiopia
| | - Zenebe Tujara
- Department of Medicine, College of Health Sciences, Salale University, Fitche, Oromia, Ethiopia
| | - Adugna Alemu
- Department of Midwifery, College of Health Science, Salale University, Fitche, Oromia, Ethiopia
| | - Abdi Negash
- Department of Medical Laboratory, College of Health Science, Salale University, Fitche, Oromia, Ethiopia
| | - Fedasan Alemu
- Department of Medical Laboratory, College of Health Science, Salale University, Fitche, Oromia, Ethiopia
| | - Husen Zakir
- Department of Midwifery, College of Health Science, Salale University, Fitche, Oromia, Ethiopia
| | - Ararsa Dinka
- Department of Pharmacy, College of Health Science, Salale University, Fitche, Oromia, Ethiopia
| | - Dejene Edosa
- Department of Midwifery, College of Health Science, Salale University, Fitche, Oromia, Ethiopia
| | - Irean Shigign
- Department of Public Health, College of Health Science, Salale University, Fitche, Oromia, Ethiopia
| | - Abayneh Tunta
- Department of Biomedical Science, College of Health Science, Woldia University, Woldia, Amhara, Ethiopia
| | - Mathewos Mekonnen
- Department of Nursing, College of Health Science, Salale University, Fitche, Oromia, Ethiopia
| | - Fikadu Tolesa
- Department of Midwifery, College of Health Science, Salale University, Fitche, Oromia, Ethiopia
| | - Kumera Bekele
- Department of Nursing, College of Health Science, Salale University, Fitche, Oromia, Ethiopia
| | - Belay Merkeb
- Department of Medical Laboratory, College of Health Science, Salale University, Fitche, Oromia, Ethiopia
| | - Befekadu Oyato
- Department of Midwifery, College of Health Science, Salale University, Fitche, Oromia, Ethiopia
| | - Mekonnin Tesfa
- Department of Medicine, College of Health Sciences, Salale University, Fitche, Oromia, Ethiopia
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Schepp RM, Kaczorowska J, van Gageldonk PGM, Rouers EDM, Sanders EAM, Bruijning-Verhagen PCJ, Berbers GAM. Effect of Palivizumab Prophylaxis on Respiratory Syncytial Virus Infection in Very Preterm Infants in the First Year of Life in The Netherlands. Vaccines (Basel) 2023; 11:1807. [PMID: 38140212 PMCID: PMC10747417 DOI: 10.3390/vaccines11121807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/24/2023] [Accepted: 11/29/2023] [Indexed: 12/24/2023] Open
Abstract
Respiratory Syncytial Virus (RSV) poses a severe threat to infants, particularly preterm infants. Palivizumab, the standard preventive prophylaxis, is primarily utilized in high-risk newborns due to its cost. This study assessed palivizumab's effectiveness in preventing RSV infections in predominantly very preterm infants during their first year of life. Serum samples from a prospective multicentre cohort study in the Netherlands were analyzed to assess RSV infection rates by measuring IgG levels against three RSV proteins: nucleoprotein, pre-fusion, and post-fusion protein. Infants were stratified based on gestational age (GA), distinguishing very preterm (≤32 weeks GA) from moderate/late preterm (>32 to ≤36 weeks GA). In very preterm infants, palivizumab prophylaxis significantly reduced infection rates (18.9% vs. 48.3% in the prophylaxis vs. non-prophylaxis group. Accounting for GA, sex, birth season, and birth weight, the prophylaxis group showed significantly lower infection odds. In infants with >32 to ≤36 weeks GA, the non-prophylaxis group (55.4%) showed infection rates similar to the non-prophylaxis ≤32-week GA group, despite higher maternal antibody levels in the moderate/late preterm infants. In conclusion, palivizumab prophylaxis significantly reduces RSV infection rates in very premature infants. Future research should explore clinical implications and reasons for non-compliance, and compare palivizumab with emerging prophylactics like nirsevimab aiming to optimize RSV prophylaxis and improve preterm infant outcomes.
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Affiliation(s)
- Rutger M. Schepp
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, P.O. Box 1, 3720 BA Bilthoven, The Netherlands; (J.K.)
| | - Joanna Kaczorowska
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, P.O. Box 1, 3720 BA Bilthoven, The Netherlands; (J.K.)
| | - Pieter G. M. van Gageldonk
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, P.O. Box 1, 3720 BA Bilthoven, The Netherlands; (J.K.)
| | - Elsbeth D. M. Rouers
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, P.O. Box 1, 3720 BA Bilthoven, The Netherlands; (J.K.)
- Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, 3508 GA Utrecht, The Netherlands
| | - Elisabeth A. M. Sanders
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, P.O. Box 1, 3720 BA Bilthoven, The Netherlands; (J.K.)
- Department of Paediatric Immunology and Infectious Diseases, Wilhelmina Children’s Hospital, 3508 AB Utrecht, The Netherlands
| | - Patricia C. J. Bruijning-Verhagen
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, P.O. Box 1, 3720 BA Bilthoven, The Netherlands; (J.K.)
- Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, 3508 GA Utrecht, The Netherlands
| | - Guy A. M. Berbers
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, P.O. Box 1, 3720 BA Bilthoven, The Netherlands; (J.K.)
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Bulka CM, Everson TM, Burt AA, Marsit CJ, Karagas MR, Boyle KE, Niemiec S, Kechris K, Davidson EJ, Yang IV, Feinberg JI, Volk HE, Ladd-Acosta C, Breton CV, O’Shea TM, Fry RC. Sex-based differences in placental DNA methylation profiles related to gestational age: an NIH ECHO meta-analysis. Epigenetics 2023; 18:2179726. [PMID: 36840948 PMCID: PMC9980626 DOI: 10.1080/15592294.2023.2179726] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 12/08/2022] [Accepted: 12/21/2022] [Indexed: 02/26/2023] Open
Abstract
The placenta undergoes many changes throughout gestation to support the evolving needs of the foetus. There is also a growing appreciation that male and female foetuses develop differently in utero, with unique epigenetic changes in placental tissue. Here, we report meta-analysed sex-specific associations between gestational age and placental DNA methylation from four cohorts in the National Institutes of Health (NIH) Environmental influences on Child Health Outcomes (ECHO) Programme (355 females/419 males, gestational ages 23-42 weeks). We identified 407 cytosine-guanine dinucleotides (CpGs) in females and 794 in males where placental methylation levels were associated with gestational age. After cell-type adjustment, 55 CpGs in females and 826 in males were significant. These were enriched for biological processes critical to the immune system in females and transmembrane transport in males. Our findings are distinct between the sexes: in females, associations with gestational age are largely explained by differences in placental cellular composition, whereas in males, gestational age is directly associated with numerous alterations in methylation levels.
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Affiliation(s)
- Catherine M. Bulka
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- College of Public Health, University of South Florida, Tampa, FL, USA
| | - Todd M. Everson
- Gangarosa Department of Environmental Health, Emory University Rollins School of Public Health, Atlanta, GA, USA
| | - Amber A. Burt
- Gangarosa Department of Environmental Health, Emory University Rollins School of Public Health, Atlanta, GA, USA
| | - Carmen J. Marsit
- Gangarosa Department of Environmental Health, Emory University Rollins School of Public Health, Atlanta, GA, USA
| | - Margaret R. Karagas
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, USA
| | - Kristen E. Boyle
- Section of Nutrition, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
- Colorado School of Public Health, The Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, Aurora, CO, USA
| | - Sierra Niemiec
- Colorado School of Public Health, The Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, Aurora, CO, USA
| | - Katerina Kechris
- Colorado School of Public Health, The Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, Aurora, CO, USA
- Department of Biostatistics & Informatics, Colorado School of Public Health, Aurora, CO, USA
| | | | - Ivana V. Yang
- Colorado School of Public Health, The Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, Aurora, CO, USA
- Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA
| | - Jason I. Feinberg
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, ML, USA
| | - Heather E. Volk
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, ML, USA
| | - Christine Ladd-Acosta
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, ML, USA
| | - Carrie V. Breton
- Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA, USA
| | - T. Michael O’Shea
- Department of Pediatrics, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Rebecca C. Fry
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Institute for Environmental Health Solutions, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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Walter L, Clifford V, Sulfaro C, Brown R, Ribeiro D, Welvaert M, Shuttleworth G, Klein LD. Macronutrient content of pasteurised donor human milk: Variability between batches from single-donor pools at an Australian milk bank. J Paediatr Child Health 2023; 59:1281-1288. [PMID: 37880918 DOI: 10.1111/jpc.16497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 08/09/2023] [Accepted: 09/08/2023] [Indexed: 10/27/2023]
Abstract
AIM This study aimed to characterise the between-batch variability of pasteurised donor human milk (PDHM) produced from single-donor pools at Australian Red Cross Lifeblood's milk bank and identify key donor characteristics that predict macronutrient content. METHODS Macronutrient content from 200 batches of PDHM was measured using a mid-infrared human milk analyser (Miris, Uppsala, Sweden). Linear mixed models were used to study the impact of stage of lactation and gestational age on macronutrient content. Coefficients of determination (R2 ) were calculated to estimate the impact of the individual donor on overall variability. RESULTS Macronutrient content of PDHM varied considerably, with between-batch variations of 2.8 and 6.4-fold for protein and fat content, respectively. Mean crude protein content was 1.16 g/100 mL, ranging from 0.7 to 1.96 g/100 mL. Mean fat content was 3.85 g/100 mL, ranging from 1.46 to 9.39 g/100 mL. Stage of lactation was identified as a predictor for protein content and gestational age at birth for fat content. Individual donor effect explained 55 and 35% of the variance for fat and protein content, respectively. CONCLUSIONS This study highlights the variation in macronutrient content in PDHM at an Australian milk bank. Variability could be reduced through the implementation of targeted multiple-donor pooling using the key donor characteristics identified in this study along with the measurement of macronutrient content of individual donors at the time of first donation. However, the clinical benefit of a reduction in between-batch variation, achieved through multiple-donor pooling, would need to be assessed to justify additional efforts associated with PDHM processing changes.
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Affiliation(s)
- Leonie Walter
- Strategy and Growth, Australian Red Cross Lifeblood, Alexandria, New South Wales, Australia
| | - Vanessa Clifford
- Pathology and Clinical Governance, Australian Red Cross Lifeblood, Melbourne, Victoria, Australia
- Laboratory Services, Royal Children's Hospital, Melbourne, Victoria, Australia
- Infection and Immunity, Murdoch Children's Research Institute, Melbourne, Victoria, Australia
- Department of Paediatrics, University of Melbourne, Melbourne, Victoria, Australia
| | - Christine Sulfaro
- Strategy and Growth, Australian Red Cross Lifeblood, Alexandria, New South Wales, Australia
| | - Richard Brown
- Strategy and Growth, Australian Red Cross Lifeblood, Alexandria, New South Wales, Australia
| | - Daniel Ribeiro
- Department of Paediatrics, University of Melbourne, Melbourne, Victoria, Australia
| | - Marijke Welvaert
- Pathology and Clinical Governance, Australian Red Cross Lifeblood, Melbourne, Victoria, Australia
| | - Glen Shuttleworth
- Pathology and Clinical Governance, Australian Red Cross Lifeblood, Melbourne, Victoria, Australia
| | - Laura D Klein
- Strategy and Growth, Australian Red Cross Lifeblood, Alexandria, New South Wales, Australia
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Li ZQ, Kang WL, Tang SJ, Mao Y, Fang T, Jiang JJ, Li XH. Effect of maternal age on foetal chromosomal defects: an investigation based on non-invasive prenatal testing. J OBSTET GYNAECOL 2023; 43:2287125. [PMID: 38069630 DOI: 10.1080/01443615.2023.2287125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 11/18/2023] [Indexed: 12/18/2023]
Abstract
BACKGROUND This study aimed to evaluate the value of non-invasive prenatal testing (NIPT) in the prenatal screening of foetal aneuploidy-associated diseases at different gestational ages. METHODS Briefly, cell-free foetal DNAs were extracted from plasma first, followed by DNA sequencing and bioinformatics analyses for chromosome aneuploidy (T21, T18, and T13), sex chromosome aneuploidy (SCA), and microdeletion/microduplication. Subsequently, the positive results were subject to karyotype analyses. RESULTS The pregnant women included in this study were divided into six groups, and the results, such as chromosome diagnoses, and clinical phenotypes, were collected for data analyses. According to the results of the data analysis, the positivity rates of foetal chromosomal abnormalities in pregnant women under 20, 20-24, 25-29, 30-34, 35-39, and >40 years old were 0%, 0.17%, 0.25%, 0.27%, 0.60%, and 1.66%, respectively. The positive predictive value (PPV) in the 20-24 years group was 41.67%, that in the 25-29 years group was 62.5%, that in the 30-34 years group was 66.67%, that in the 35-39 years group was 90.74%, and that in the >40 years group was 90.32%. CONCLUSION Overall, NIPT detection in elderly pregnant women has excellent clinical application value in reducing the incidence of either birth defects or abortion caused by invasive chromosome examination.
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Affiliation(s)
- Zhi-Qiang Li
- The Laboratory of Clinical Genomics, Hefei KingMed Diagnostics Ltd, Hefei, China
| | - Wei-Ling Kang
- The Laboratory of Clinical Genomics, Hefei KingMed Diagnostics Ltd, Hefei, China
| | - Si-Jie Tang
- The Aoyang Cancer Institute, Affiliated Aoyang Hospital of Jiangsu University, Suzhou, China
| | - Yuan Mao
- The Laboratory of Clinical Genomics, Hefei KingMed Diagnostics Ltd, Hefei, China
| | - Ting Fang
- The Laboratory of Clinical Genomics, Hefei KingMed Diagnostics Ltd, Hefei, China
| | - Jia-Jia Jiang
- The Aoyang Cancer Institute, Affiliated Aoyang Hospital of Jiangsu University, Suzhou, China
| | - Xiao-Hua Li
- The Laboratory of Clinical Genomics, Hefei KingMed Diagnostics Ltd, Hefei, China
- The Aoyang Cancer Institute, Affiliated Aoyang Hospital of Jiangsu University, Suzhou, China
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Rohr Thomsen C, Leonhard AK, Strandbo Schmidt Jensen M, Bor P, Hinge M, Uldbjerg N, Sandager P. Quantitative strain elastography of the uterine cervix assessed by the GE Voluson E10 system in combination with a force-measuring device. J Matern Fetal Neonatal Med 2023; 36:2213797. [PMID: 37202178 DOI: 10.1080/14767058.2023.2213797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 05/01/2023] [Accepted: 05/09/2023] [Indexed: 05/20/2023]
Abstract
OBJECTIVE During pregnancy, the stiffness of the cervical tissue decreases long before the cervical length decreases. Therefore, several approaches have been proposed in order to ensure a more objective assessment of cervical stiffness than that achieved by digital evaluation. Strain elastography has shown promising results. This technique is based on an ultrasound assessment of the tissue deformation that occurs when the examiner applies pressure on the tissue with the ultrasound probe. However, the results are only semi-quantitative as they depend on the unmeasured force used by the examiner. We, therefore, hypothesized that a force-measuring device applied to the handle of the ultrasound probe may render the technique quantitative. With this approach, the stiffness is the force (measured by the device) divided by the compression (measured by the elastography platform). One perspective is the early identification of women at risk of preterm birth in whom cervical stiffness may decrease long before cervical shortening. Another perspective is cervical evaluation when planning labor induction. In this feasibility study, we aimed to evaluate how quantitative strain elastography performs when a commercially available strain elastography platform (by which the algorithm is unavailable) is combined with a custom-made, force-measuring device. We studied how the assessments were associated with the gestational age in women with uncomplicated pregnancies and how they were associated with cervical dilatation time from 4 to 10 cm in women undergoing labor induction. METHODS In the analysis, we included quantitative strain elastography assessments from 47 women with uncomplicated singleton pregnancies, with gestational age between 12+0 and 40+0, and from 27 singleton term-pregnant women undergoing labor induction. The force-measuring device was mounted on the handle of a transvaginal probe. The strain values (i.e. the compression of the cervical tissue) were obtained by the elastography software of the ultrasound scanner (GE Voluson E10). The region of interest was placed within the central part of the anterior cervical lip. Based on the force data and strain values, we calculated the outcomes cervical elastography indexGE (CEIGE) and the cervical strength indexGE (CEIGE x cervical length: CSIGE). RESULTS The average CEIGE was 0.24 N at week 12 and 0.15 N at week 30-34. For CSIGE these figures were 8.2 and 4.7 N mm, respectively (p = 0.002). Among women undergoing labor induction, the CEIGE was associated with a cervical dilatation time (4-10 cm) beyond 7 h. For nulliparous women, this area under the ROC curve was 0.94. CONCLUSION Quantitative strain elastography may constitute a tool for the evaluation of a uterine cervix with normal length in women at risk of preterm birth and in women undergoing labor induction. The performance of this tool deserves evaluation in larger clinical trials.
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Affiliation(s)
- Christine Rohr Thomsen
- Department of Obstetrics and Gynecology, Aarhus University Hospital, Aarhus, Denmark
- Department of Obstetrics and Gynecology, Randers Regional Hospital, Randers, Denmark
- Department of Clinical Medicine, University of Aarhus
| | - Anne Katrine Leonhard
- Department of Obstetrics and Gynecology, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, University of Aarhus
| | - Maria Strandbo Schmidt Jensen
- Department of Obstetrics and Gynecology, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, University of Aarhus
- Department of Clinical Medicine, Center for Fetal Diagnostics, Aarhus University Hospital, Aarhus, Denmark
| | - Pinar Bor
- Department of Obstetrics and Gynecology, Randers Regional Hospital, Randers, Denmark
- Department of Clinical Medicine, University of Aarhus
| | - Mogens Hinge
- Department of Biological and Chemical Engineering, Aarhus University, Aarhus, Denmark
| | - Niels Uldbjerg
- Department of Obstetrics and Gynecology, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, University of Aarhus
| | - Puk Sandager
- Department of Obstetrics and Gynecology, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, University of Aarhus
- Department of Clinical Medicine, Center for Fetal Diagnostics, Aarhus University Hospital, Aarhus, Denmark
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Saunders M, Allen VM, Andreou P, Van den Hof MC. Validation of Ultrasound Dating Protocols Using Data From Twins Conceived Through In Vitro Fertilization in Nova Scotia: A Retrospective Cohort Study. J Obstet Gynaecol Can 2023; 45:102199. [PMID: 37633645 DOI: 10.1016/j.jogc.2023.102199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 08/07/2023] [Accepted: 08/07/2023] [Indexed: 08/28/2023]
Abstract
OBJECTIVES Clinical practice guidelines recommend determining gestational age (GA) for twin pregnancies using the fetal crown rump length (CRL) of the larger fetus. This study investigated whether the CRL of the larger or smaller fetus at 11-14 weeks best predicted in vitro fertilization (IVF) assigned GA. METHODS A retrospective cohort study of twin pregnancies conceived by IVF ± intracytoplasmic sperm injection, 2004-2022, generated GA estimations for each co-twin CRL at the 11-14 week ultrasound, to determine which fetus (smaller or larger) more consistently predicted IVF-assigned GA. Monoamniotic twins and twins with known structural or vascular abnormalities were excluded. Paired t tests evaluated the ability of CRL to predict GA, and logistic regression evaluated the predictive ability of each of the co-twin groups with increasing size differences. Statistical significance was set at P < 0.05. RESULTS Viewpoint 6 identified 359 eligible twin pairs. CRL was closest with the smaller fetus (0.38 days); CRL for both the smaller (95% CI 0.16-0.61) and the larger (2.25 days, 95% CI 2.04-2.46) fetus showed deviation from IVF-assigned GA. As the absolute difference between the small and large fetus increased, the ultrasound-estimated GA of the smaller fetus was still consistently closer to IVF-assigned GA. CONCLUSIONS In this selected population of twins with known GA, the CRL of the smaller fetus more accurately predicted IVF-assigned GA even with increasing differences in fetal size. These findings provide important information for appropriately dating pregnancies to facilitate adherence to national guidelines to monitor for pregnancy complications, and plan frequency and type of fetal surveillance, as well as timing of delivery.
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Affiliation(s)
- Marianna Saunders
- Department of Obstetrics and Gynaecology, Dalhousie University and IWK Health, Halifax, NS
| | - Victoria M Allen
- Department of Obstetrics and Gynaecology, Dalhousie University and IWK Health, Halifax, NS; Department of Community Health and Epidemiology, Dalhousie University, Halifax, NS.
| | - Pantelis Andreou
- Department of Community Health and Epidemiology, Dalhousie University, Halifax, NS
| | - Michiel C Van den Hof
- Department of Obstetrics and Gynaecology, Dalhousie University and IWK Health, Halifax, NS
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Dunlop AL, Burjak M, Dean LT, Alshawabkeh AN, Avalos LA, Aschner JL, Breton CV, Charifson MA, Cordero J, Dabelea D, D’Sa V, Duarte CS, Elliott AJ, Eick SM, Ferrara A, Fichorova RN, Ganiban JM, Gern JE, Hedderson MM, Herbstman JB, Hipwell AE, Huddleston KC, Karagas M, Karr C, Kerver JM, Koinis-Mitchell D, Lyall K, Madan J, Marsit C, McEvoy CT, Meeker JD, Oken E, O’Shea TM, Padula AM, Sathyanarayana S, Schantz S, Schmidt RJ, Snowden J, Stanford JB, Weiss S, Wright RO, Wright RJ, Zhang X, McGrath M. Association of maternal education, neighborhood deprivation, and racial segregation with gestational age at birth by maternal race/ethnicity and United States Census region in the ECHO cohorts. Front Public Health 2023; 11:1165089. [PMID: 38098826 PMCID: PMC10719953 DOI: 10.3389/fpubh.2023.1165089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 10/13/2023] [Indexed: 12/17/2023] Open
Abstract
Background In the United States, disparities in gestational age at birth by maternal race, ethnicity, and geography are theorized to be related, in part, to differences in individual- and neighborhood-level socioeconomic status (SES). Yet, few studies have examined their combined effects or whether associations vary by maternal race and ethnicity and United States Census region. Methods We assembled data from 34 cohorts in the Environmental influences on Child Health Outcomes (ECHO) program representing 10,304 participants who delivered a liveborn, singleton infant from 2000 through 2019. We investigated the combined associations of maternal education level, neighborhood deprivation index (NDI), and Index of Concentration at the Extremes for racial residential segregation (ICERace) on gestational weeks at birth using linear regression and on gestational age at birth categories (preterm, early term, post-late term relative to full term) using multinomial logistic regression. Results After adjustment for NDI and ICERace, gestational weeks at birth was significantly lower among those with a high school diploma or less (-0.31 weeks, 95% CI: -0.44, -0.18), and some college (-0.30 weeks, 95% CI: -0.42, -0.18) relative to a master's degree or higher. Those with a high school diploma or less also had an increased odds of preterm (aOR 1.59, 95% CI: 1.20, 2.10) and early term birth (aOR 1.26, 95% CI: 1.05, 1.51). In adjusted models, NDI quartile and ICERace quartile were not associated with gestational weeks at birth. However, higher NDI quartile (most deprived) associated with an increased odds of early term and late term birth, and lower ICERace quartile (least racially privileged) associated with a decreased odds of late or post-term birth. When stratifying by region, gestational weeks at birth was lower among those with a high school education or less and some college only among those living in the Northeast or Midwest. When stratifying by race and ethnicity, gestational weeks at birth was lower among those with a high school education or less only for the non-Hispanic White category. Conclusion In this study, maternal education was consistently associated with shorter duration of pregnancy and increased odds of preterm birth, including in models adjusted for NDI and ICERace.
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Affiliation(s)
- Anne L. Dunlop
- Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, GA, United States
| | - Mohamad Burjak
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
| | - Lorraine T. Dean
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
| | - Akram N. Alshawabkeh
- Department of Civil and Environmental Engineering, College of Engineering, Northeastern University, Boston, MA, United States
| | - Lyndsay A. Avalos
- Division of Research, Kaiser Permanente Northern California, Oakland, CA, United States
| | - Judy L. Aschner
- Albert Einstein College of Medicine, Bronx, NY, United States
- Hackensack Meridian School of Medicine, Nutley, NJ, United States
| | - Carrie V. Breton
- Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA, United States
| | - Mia A. Charifson
- Division of Epidemiology, New York University Langone Health Grossman School of Medicine, New York, NY, United States
| | - Jose Cordero
- Department of Epidemiology and Biostatistics, University of Georgia College of Public Health, Athens, GA, United States
| | - Dana Dabelea
- Lifecourse Epidemiology of Adiposity and Diabetes Center, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Viren D’Sa
- Department of Pediatrics, Rhode Island Hospital and The Warren Alpert Medical School of Brown University, Providence, RI, United States
| | - Cristiane S. Duarte
- Division of Child and Adolescent Psychiatry, Columbia University-New York State Psychiatric Institute, New York, NY, United States
| | - Amy J. Elliott
- Avera Research Institute, Department of Pediatrics, University of South Dakota School of Medicine, Sioux Falls, SD, United States
| | - Stephanie M. Eick
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, United States
| | - Assiamira Ferrara
- Division of Research, Kaiser Permanente Northern California, Oakland, CA, United States
| | - Raina N. Fichorova
- Department of Obstetrics, Gynecology and Reproductive Biology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
| | - Jody M. Ganiban
- Department of Psychological and Brain Sciences, George Washington University, Washington, DC, United States
| | - James E. Gern
- Department of Pediatrics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States
| | - Monique M. Hedderson
- Division of Research, Kaiser Permanente Northern California, Oakland, CA, United States
| | - Julie B. Herbstman
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, United States
| | - Alison E. Hipwell
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, United States
| | - Kathi C. Huddleston
- College of Health and Human Services, George Mason University, Fairfax, VA, United States
| | - Margaret Karagas
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
| | - Catherine Karr
- Departments of Pediatrics and Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, United States
| | - Jean M. Kerver
- Departments of Epidemiology and Biostatistics and Pediatrics and Human Development, College of Human Medicine, Michigan State University, East Lansing, MI, United States
| | - Daphne Koinis-Mitchell
- Department of Pediatrics, Rhode Island Hospital and The Warren Alpert Medical School of Brown University, Providence, RI, United States
| | - Kristen Lyall
- AJ Drexel Autism Institute, Drexel University, Philadelphia, PA, United States
| | - Juliette Madan
- Department of Epidemiology, Pediatrics and Psychiatry, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
| | - Carmen Marsit
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, United States
| | - Cindy T. McEvoy
- Department of Pediatrics, Oregon Health and Science University, Portland, OR, United States
| | - John D. Meeker
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, United States
| | - Emily Oken
- Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, United States
| | - T. Michael O’Shea
- Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Amy M. Padula
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, San Francisco, CA, United States
| | - Sheela Sathyanarayana
- Departments of Pediatrics and Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, United States
| | - Susan Schantz
- Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, United States
| | - Rebecca J. Schmidt
- Department of Public Health Sciences, MIND Institute, University of California, Davis, Davis, CA, United States
| | - Jessica Snowden
- Departments of Pediatrics and Biostatistics, University of Arkansas for Medical Sciences, Little Rock, AR, United States
| | - Joseph B. Stanford
- Department of Family and Preventive Medicine, University of Utah School of Medicine, Salt Lake City, UT, United States
| | - Scott Weiss
- Department of Medicine, Harvard School of Medicine, Boston, MA, United States
| | - Robert O. Wright
- Department of Pediatrics, The Kravis Children’s Hospital, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Institute for Exposomic Research, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Rosalind J. Wright
- Department of Pediatrics, The Kravis Children’s Hospital, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Institute for Exposomic Research, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Xueying Zhang
- Department of Pediatrics, The Kravis Children’s Hospital, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Institute for Exposomic Research, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Monica McGrath
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
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Okwaraji YB, Suárez-Idueta L, Ohuma EO, Bradley E, Yargawa J, Pingray V, Cormick G, Gordon A, Flenady V, Horváth-Puhó E, Sørensen HT, Sakkeus L, Abuladze L, Heidarzadeh M, Khalili N, Yunis KA, Al Bizri A, Karalasingam SD, Jeganathan R, Barranco A, van Dijk AE, Broeders L, Alyafei F, AlQubaisi M, Razaz N, Söderling J, Smith LK, Matthews RJ, Wood R, Monteath K, Pereyra I, Pravia G, Lisonkova S, Wen Q, Lawn JE, Blencowe H. Stillbirths: Contribution of preterm birth and size-for- gestational age for 125.4 million total births from nationwide records in 13 countries, 2000-2020. BJOG 2023. [PMID: 38018284 DOI: 10.1111/1471-0528.17653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 08/07/2023] [Accepted: 08/19/2023] [Indexed: 11/30/2023]
Abstract
OBJECTIVE To examine the contribution of preterm birth and size-for-gestational age in stillbirths using six 'newborn types'. DESIGN Population-based multi-country analyses. SETTING Births collected through routine data systems in 13 countries. SAMPLE 125 419 255 total births from 22+0 to 44+6 weeks' gestation identified from 2000 to 2020. METHODS We included 635 107 stillbirths from 22+0 weeks' gestation from 13 countries. We classified all births, including stillbirths, into six 'newborn types' based on gestational age information (preterm, PT, <37+0 weeks versus term, T, ≥37+0 weeks) and size-for-gestational age defined as small (SGA, <10th centile), appropriate (AGA, 10th-90th centiles) or large (LGA, >90th centile) for gestational age, according to the international newborn size for gestational age and sex INTERGROWTH-21st standards. MAIN OUTCOME MEASURES Distribution of stillbirths, stillbirth rates and rate ratios according to six newborn types. RESULTS 635 107 (0.5%) of the 125 419 255 total births resulted in stillbirth after 22+0 weeks. Most stillbirths (74.3%) were preterm. Around 21.2% were SGA types (PT + SGA [16.2%], PT + AGA [48.3%], T + SGA [5.0%]) and 14.1% were LGA types (PT + LGA [9.9%], T + LGA [4.2%]). The median rate ratio (RR) for stillbirth was highest in PT + SGA babies (RR 81.1, interquartile range [IQR], 68.8-118.8) followed by PT + AGA (RR 25.0, IQR, 20.0-34.3), PT + LGA (RR 25.9, IQR, 13.8-28.7) and T + SGA (RR 5.6, IQR, 5.1-6.0) compared with T + AGA. Stillbirth rate ratios were similar for T + LGA versus T + AGA (RR 0.7, IQR, 0.7-1.1). At the population level, 25% of stillbirths were attributable to small-for-gestational-age. CONCLUSIONS In these high-quality data from high/middle income countries, almost three-quarters of stillbirths were born preterm and a fifth small-for-gestational age, with the highest stillbirth rates associated with the coexistence of preterm and SGA. Further analyses are needed to better understand patterns of gestation-specific risk in these populations, as well as patterns in lower-income contexts, especially those with higher rates of intrapartum stillbirth and SGA.
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Affiliation(s)
- Yemisrach B Okwaraji
- Maternal, Adolescent, Reproductive & Child Health (MARCH) Centre, London School of Hygiene & Tropical Medicine, London, UK
| | | | - Eric O Ohuma
- Maternal, Adolescent, Reproductive & Child Health (MARCH) Centre, London School of Hygiene & Tropical Medicine, London, UK
| | - Ellen Bradley
- Maternal, Adolescent, Reproductive & Child Health (MARCH) Centre, London School of Hygiene & Tropical Medicine, London, UK
| | - Judith Yargawa
- Maternal, Adolescent, Reproductive & Child Health (MARCH) Centre, London School of Hygiene & Tropical Medicine, London, UK
| | - Veronica Pingray
- Institute for Clinical Effectiveness and Health Policy, Ciudad Autónoma de Buenos Aires, Argentina
| | - Gabriela Cormick
- Institute for Clinical Effectiveness and Health Policy, Ciudad Autónoma de Buenos Aires, Argentina
- Centro de Investigaciones en Epidemiología y Salud Pública, National Scientific and Technical Research Council (CONICET), Ciudad Autónoma de Buenos Aires, Argentina
| | - Adrienne Gordon
- Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Vicki Flenady
- Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Erzsébet Horváth-Puhó
- Department of Clinical Epidemiology, Aarhus University and Aarhus University Hospital, Aarhus N, Denmark
| | - Henrik Toft Sørensen
- Department of Clinical Epidemiology, Aarhus University and Aarhus University Hospital, Aarhus N, Denmark
| | - Luule Sakkeus
- School of Governance, Law and Society, Estonian Institute for Population Studies, Tallinn University, Tallinn, Estonia
| | - Liili Abuladze
- School of Governance, Law and Society, Estonian Institute for Population Studies, Tallinn University, Tallinn, Estonia
- Population Research Unit, Väestöliitto, Finland
| | | | - Narjes Khalili
- Department of Community and Family Medicine, Preventive Medicine and Public Health Research Centre, Psychosocial Health Research Institute, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Khalid A Yunis
- Division of Neonatology, Department of Pediatrics and Adolescent Medicine, American University of Beirut, Beirut, Lebanon
| | - Ayah Al Bizri
- Division of Neonatology, Department of Pediatrics and Adolescent Medicine, American University of Beirut, Beirut, Lebanon
| | - Shamala D Karalasingam
- Department of Obstetrics and Gynaecology, Faculty of Medicine, University of Cyberjaya, Cyberjaya, Malaysia
| | - Ravichandran Jeganathan
- Department of Obstetrics & Gynaecology, Malaysia Monash Medical School, Johor Bahru, Malaysia
| | - Arturo Barranco
- Directorate of Health Information, Ministry of Health, Mexico City, Mexico
| | | | | | - Fawzya Alyafei
- Department of Paediatrics, Hamad General Hospital, Doha, Qatar
| | - Mai AlQubaisi
- NICU, Women Wellness and Research Centre, Doha, Qatar
| | - Neda Razaz
- Clinical Epidemiology Division, Department of Medicine Solna, Karolinska Institute, Stockholm, Sweden
| | - Jonas Söderling
- Clinical Epidemiology Division, Department of Medicine Solna, Karolinska Institute, Stockholm, Sweden
| | - Lucy K Smith
- Department of Population Health Sciences, College of Life Sciences, University of Leicester, Leicester, UK
| | - Ruth J Matthews
- Department of Population Health Sciences, College of Life Sciences, University of Leicester, Leicester, UK
| | - Rachael Wood
- Public Health Scotland, Edinburgh, UK
- Usher Institute, University of Edinburgh, Edinburgh, UK
| | - Kirsten Monteath
- Pregnancy, Birth and Child Health Team, Public Health Scotland, Edinburgh, UK
| | - Isabel Pereyra
- Faculty of Health Sciences, Catholic University of Maule, Curicó, Chile
| | - Gabriella Pravia
- Department of Wellness and Health, Catholic University of Uruguay, Montevideo, Uruguay
| | - Sarka Lisonkova
- Department of Obstetrics & Gynaecology, University of British Columbia, Vancouver, British Columbia, Canada
- School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Qi Wen
- Department of Obstetrics & Gynaecology, University of British Columbia, Vancouver, British Columbia, Canada
| | - Joy E Lawn
- Maternal, Adolescent, Reproductive & Child Health (MARCH) Centre, London School of Hygiene & Tropical Medicine, London, UK
| | - Hannah Blencowe
- Maternal, Adolescent, Reproductive & Child Health (MARCH) Centre, London School of Hygiene & Tropical Medicine, London, UK
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Filatava EJ, Liu Z, Xie J, Tran DB, Chen K, El Habbal N, Weinstock G, Zhou Y, Gregory KE. The preterm human milk microbiota fluctuates by postpartum week and is characterized by gestational age and maternal BMI. mBio 2023; 14:e0210623. [PMID: 37975676 PMCID: PMC10746270 DOI: 10.1128/mbio.02106-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 09/28/2023] [Indexed: 11/19/2023] Open
Abstract
IMPORTANCE Despite a growing recognition that the type of nutrition received by preterm infants influences their intestinal microbiome and health outcomes, the microbiota of mother's own milk (MOM), pasteurized donor human milk (PDHM), and infant formula remain poorly characterized. In our study, we found that the structure of microbial communities, bacterial diversity, and relative abundances of specific genera were significantly different between MOM, PDHM, and formula. Additionally, our results suggest that the microbiota of MOM changes as a function of time and maternal factors. Lastly, we identified three lactotypes within MOM that have distinct microbial compositions and described the maternal factors associated with them. These findings set the stage for future research aimed at advancing our knowledge of the microbiota of preterm infant nutrition and the specific influence it may have on health outcomes.
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Affiliation(s)
| | - Zhongmao Liu
- University of Connecticut, Storrs, Connecticut, USA
| | - Jiaojiao Xie
- State Key Laboratory for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | | | - Kun Chen
- University of Connecticut, Storrs, Connecticut, USA
| | | | | | - Yanjiao Zhou
- University of Connecticut, Storrs, Connecticut, USA
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Bonger ZT, Mamo BT, Birra SB, Yalew AW. Predictors of length of hospital stay for preterm infants in Ethiopia: a competing risk analysis. Front Pediatr 2023; 11:1268087. [PMID: 38027273 PMCID: PMC10663218 DOI: 10.3389/fped.2023.1268087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 10/25/2023] [Indexed: 12/01/2023] Open
Abstract
Background Length of hospital stay (LOS) is one of the essential indicators for evaluating the efficiency and the quality-of-care service delivered. predicting LOS is critical for resource allocation, decision-making, lowering neonatal morbidity and death, enhancing clinical outcomes and parent counseling. In addition, extended hospital stays (long LOS_NICU) place a burden on the healthcare systems decreasing bed turnover rates as well as their financial stand and the mental stress on families. In Ethiopia, there is limited evidence on the determinant factors that influence on LOS. Objectives To determine factors affecting neonatal intensive care unit length of stay for all preterm newborns who were discharged alive. Method The study used a secondary data source, was collected for the Study of Illness in Preterm (SIP) infants project. The research study was a multicenter, cross-sectional, observational clinical study that took place in five Ethiopia hospitals from July 1, 2016, to May 31, 2018. The predictors of LOS were determined using Fine-Gray's competing risk analysis. Results For this study 3,511 preterm infants admitted to the NICU were analyzed. About 28.8% of the preterm infants died during their time in neonatal care while 66.6% were discharged alive. At the end of the study 4.6% babies were still in the NICU. The overall median LOS (death or discharge) was 7 days, with an interquartile range of 8 days. The cumulative incidence of discharge rose with increasing in gestational age and birth weight, on the contrary, the rate of discharge was decreased by 45.7% with the development of RDS (SDH ratio: 0.543), by 75.9% with the development of apnea (SDH ratio: 0.241), by 36.2% with sepsis, and by 43.6% with pneumonia (SDH ratio: 0.564). Conclusions Preterm newborns with a low gestational age and birth weight have a greater probability of having a prolonged LOS. Complications of the medical conditions RDS, apnea, sepsis, pneumonia, anemia, asphyxia, and NEC substantially raise LOS considerably.
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Affiliation(s)
| | | | - Sosna Bayu Birra
- Department of Statistics, College of Natural and Computational Sciences, Addis Ababa University, Addis Ababa, Ethiopia
| | - Alemayehu Worku Yalew
- School of Public Health, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
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Auger N, Brousseau É, Ayoub A, Fraser WD. Second-trimester abortion and risk of live birth. Am J Obstet Gynecol 2023:S0002-9378(23)00806-2. [PMID: 37939985 DOI: 10.1016/j.ajog.2023.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/01/2023] [Accepted: 11/02/2023] [Indexed: 11/10/2023]
Abstract
BACKGROUND Second-trimester abortion may result in a live birth, but the extent to which this outcome occurs is unknown. OBJECTIVE This study aimed to examine rates of live birth after pregnancy termination in the second trimester and identify associated risk factors. STUDY DESIGN We conducted a retrospective cohort study of 13,777 second-trimester abortions occurring in hospital settings between April 1, 1989 and March 31, 2021 in Quebec, Canada. The exposure was induced abortion between 15 and 29 weeks of gestation, including the indication for (fetal anomaly, maternal emergency, other) and use of feticidal injection (intracardiac/intrathoracic or intraamniotic). The primary outcome was live birth following abortion. We measured the rate of live birth per 100 abortions and used adjusted log-binomial regression models to estimate risk ratios and 95% confidence intervals for the association of fetal and maternal characteristics with the risk of live birth. We assessed the extent to which feticidal injection reduced the risk. RESULTS Among 13,777 abortions between 15 and 29 weeks of gestation, 1541 (11.2%) led to live birth. Fetal anomaly was a common indication for termination (48.1%), and most abortions were by labor induction (72.2%). Compared with abortion between 15 and 19 weeks, abortion between 20 and 24 weeks was associated with 4.80 times the risk of live birth (95% confidence interval, 4.20-5.48), whereas abortion between 25 and 29 weeks was associated with 1.34 times the risk (95% confidence interval, 1.00-1.79). Feticidal injection reduced the risk of live birth by 57% compared with no injection (risk ratio, 0.43; 95% confidence interval, 0.36-0.51). Intracardiac or intrathoracic injection was particularly effective at preventing live birth (risk ratio, 0.02; 95% confidence interval, 0.01-0.07). CONCLUSION Second-trimester abortion carries a risk of live birth, especially at 20 to 24 weeks of gestation, although feticidal injection may protect against this outcome.
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Affiliation(s)
- Nathalie Auger
- Health Innovation and Evaluation Hub, University of Montreal Hospital Research Centre, Montreal, Canada; Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Canada; Department of Social and Preventive Medicine, School of Public Health, University of Montreal, Montreal, Canada.
| | - Émilie Brousseau
- Health Innovation and Evaluation Hub, University of Montreal Hospital Research Centre, Montreal, Canada
| | - Aimina Ayoub
- Health Innovation and Evaluation Hub, University of Montreal Hospital Research Centre, Montreal, Canada
| | - William D Fraser
- Department of Obstetrics and Gynecology, Sherbrooke University Hospital Research Centre, Sherbrooke, Canada
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49
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Klebanoff MA. Crossing Birth-Weight-Specific Mortality Curves: How a Puzzling Clinical Observation Led to an Important Advance in Epidemiologic Methods. Am J Epidemiol 2023; 192:1793-1796. [PMID: 35146499 DOI: 10.1093/aje/kwab203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/14/2021] [Accepted: 05/17/2021] [Indexed: 11/13/2022] Open
Abstract
Throughout the second half of the 20th century, clinicians noted that although African-American neonates were more likely than White neonates to weigh less than 2,500 g at birth (low birth weight), among low-birth-weight infants African Americans were more likely than Whites to survive. However, when born at normal weight, African-American infants were substantially less likely to survive. The observation generated much physiological speculation, and several clever mathematical manipulations were devised to "uncross the mortality curves." With the development and dissemination of directed acyclic graphs in the early 2000s, methodologists focusing on perinatal epidemiology showed graphically, in an early use of directed acyclic graphs, that birth weight was a "collider" and that controlling for birth weight, whether by regression, stratification, or restriction, introduced confounding of the race-mortality association by all unmeasured common causes of birth weight and mortality. These investigations showed that the crossing curves could be explained as an artifact of a conceptually flawed analysis. These results have applicability beyond perinatal epidemiology, including applicability to the "obesity paradox."
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50
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Tan J, Glinianaia SV, Rankin J, Pierini A, Santoro M, Coi A, Garne E, Loane M, Given JE, Brigden J, Ballardini E, Cavero-Carbonell C, de Walle HEK, García-Villodre L, Gatt M, Gissler M, Heino A, Jordan S, Khoshnood B, Klungsoyr K, Lelong N, Lutke RL, Neville AJ, Tucker D, Urhoj SK, Wellesley D, Morris JK. Risk factors for mortality in infancy and childhood in children with major congenital anomalies: A European population-based cohort study. Paediatr Perinat Epidemiol 2023; 37:679-690. [PMID: 37817457 DOI: 10.1111/ppe.13010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/25/2023] [Accepted: 09/18/2023] [Indexed: 10/12/2023]
Abstract
BACKGROUND Preterm birth and young maternal age are known risk factors for infant and childhood mortality. There is limited knowledge of the impact of these risk factors in children born with major congenital anomalies (CAs), who have inherently higher risks of death compared with other children. OBJECTIVES To investigate the risk factors for mortality up to age 10 years in children born with specific major CAs. METHODS This population-based cohort study involved 150,198 livebirths from 1995 to 2014 in 13 European CA registries linked to mortality data. Cox proportional hazards models estimated the association of gestational age, maternal age and child's sex with death <1 year and 1-9 years for the whole cohort and by CA subgroup. Hazard ratios (HR) from each registry were pooled using multivariate meta-analysis. RESULTS Preterm birth had a dose-response association with mortality; compared with infants born at 37+ weeks gestation, those born at <28, 28-31 and 32-36 weeks had 14.88 (95% CI 12.57, 17.62), 8.39 (95% CI 7.16, 9.85) and 3.88 (95% CI 3.40, 4.43) times higher risk of death <1 year, respectively. The corresponding risks at 1-9 years were 4.99 (95% CI 2.94, 8.48), 3.09 (95% CI 2.28, 4.18) and 2.04 (95% CI 1.69, 2.46) times higher, respectively. Maternal age <20 years (versus 20-34 years) was a risk factor for death <1 year (HR 1.30, 95% CI 1.09, 1.54) and 1-9 years (HR 1.58, 95% CI 1.19, 2.10). Females had 1.22 (95% CI 1.07, 1.39) times higher risk of death between 1 and 9 years than males. CONCLUSION Preterm birth was associated with considerably higher infant and childhood mortality in children with CAs, comparable to estimates reported elsewhere for the background population. Additional risk factors included young maternal age and female sex. Information on risk factors could benefit clinical care and guide counselling of parents following CA diagnoses.
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Affiliation(s)
- Joachim Tan
- Population Health Research Institute, St George's University of London, London, UK
| | | | - Judith Rankin
- Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Anna Pierini
- Unit of Epidemiology of Rare Diseases and Congenital Anomalies, Institute of Clinical Physiology, National Research Council, Pisa, Italy
| | - Michele Santoro
- Unit of Epidemiology of Rare Diseases and Congenital Anomalies, Institute of Clinical Physiology, National Research Council, Pisa, Italy
| | - Alessio Coi
- Unit of Epidemiology of Rare Diseases and Congenital Anomalies, Institute of Clinical Physiology, National Research Council, Pisa, Italy
| | - Ester Garne
- Department of Paediatrics and Adolescent Medicine, Lillebaelt Hospital, University Hospital of Southern Denmark, Kolding, Denmark
| | - Maria Loane
- Faculty of Life and Health Sciences, Ulster University, Coleraine, UK
| | - Joanne E Given
- Faculty of Life and Health Sciences, Ulster University, Coleraine, UK
| | - Joanna Brigden
- Population Health Research Institute, St George's University of London, London, UK
| | - Elisa Ballardini
- Neonatal Intensive Care Unit, Paediatric Section, IMER Registry (Emilia Romagna Registry of Birth Defects), Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Clara Cavero-Carbonell
- Rare Diseases Research Unit, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, Valencia, Spain
| | - Hermien E K de Walle
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Laura García-Villodre
- Rare Diseases Research Unit, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, Valencia, Spain
| | - Miriam Gatt
- Malta Congenital Anomalies Registry, Directorate for Health Information and Research, Tal-Pietà, Malta
| | - Mika Gissler
- Department of Knowledge Brokers, THL Finnish Institute for Health and Welfare, Helsinki, Finland
- Region Stockholm, Academic Primary Health Care Centre, Stockholm, Sweden
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Anna Heino
- Department of Knowledge Brokers, THL Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Sue Jordan
- Faculty of Medicine, Health and Life Science, Swansea University, Swansea, UK
| | - Babak Khoshnood
- Université Paris Cité, Centre of Research in Epidemiology and StatisticS (CRESS), Obstetrical Perinatal and Pediatric Epidemiology Research Team (EPOPé), Paris, France
| | - Kari Klungsoyr
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
- Division of Mental and Physical Health, Norwegian Institute of Public Health, Bergen, Norway
| | - Nathalie Lelong
- Université Paris Cité, Centre of Research in Epidemiology and StatisticS (CRESS), Obstetrical Perinatal and Pediatric Epidemiology Research Team (EPOPé), Paris, France
| | - Renée L Lutke
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Amanda J Neville
- IMER Registry (Emilia Romagna Registry of Birth Defects), Center for Clinical and Epidemiological Research, University of Ferrara and Azienda Ospedaliero Universitaria di Ferrara, Ferrara, Italy
| | - David Tucker
- Congenital Anomaly Register & Information Service for Wales (CARIS), Public Health Knowledge and Research, Public Health Wales, Swansea, UK
| | - Stine K Urhoj
- Department of Paediatrics and Adolescent Medicine, Lillebaelt Hospital, University Hospital of Southern Denmark, Kolding, Denmark
- Section of Epidemiology, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Diana Wellesley
- University of Southampton and Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, UK
| | - Joan K Morris
- Population Health Research Institute, St George's University of London, London, UK
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