1551
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Gete DG, Waller M, Mishra GD. Prepregnancy dietary patterns and risk of preterm birth and low birth weight: findings from the Australian Longitudinal Study on Women's Health. Am J Clin Nutr 2020; 111:1048-1058. [PMID: 32282895 DOI: 10.1093/ajcn/nqaa057] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 03/02/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Findings from previous studies on associations between prepregnancy dietary patterns and preterm birth and low birth weight (LBW) are limited and inconsistent. OBJECTIVES To examine the association between prepregnancy dietary patterns and the risk of preterm birth and LBW. METHODS This study included 3422 and 3508 singleton live births from the Australian Longitudinal Study on Women's Health (ALSWH) for the analyses of preterm birth and LBW, respectively. We included women who were nulliparous and nonpregnant at baseline surveys. We used factor analyses and the Healthy Eating Index-2015 (HEI-2015) score to derive maternal dietary patterns. Four dietary patterns were identified with factor analyses: meats and high-fats; prudent diets; sugar, refined grains, and processed foods; and traditional vegetables. Preterm birth and LBW were assessed using maternal reports from ALSWH data between 2003 and 2015. Multivariable logistic regression analyses were used. RESULTS Greater adherence to the traditional vegetables pattern before pregnancy was associated with a lower risk of preterm birth and spontaneous preterm birth after adjustments for lifestyle factors and pregnancy complications, highest compared with lowest tertile (adjusted OR = 0.72, 95% CI: 0.53, 0.99) and (RR ratio = 0.62, 95% CI: 0.39, 1.00), respectively. However, these associations were attenuated by the prepregnancy BMI. No significant associations were observed between prepregnancy dietary patterns and LBW. CONCLUSION This study suggests that better adherence to the traditional vegetables pattern before pregnancy is associated with a lower risk of preterm birth, particularly spontaneous preterm birth among nulliparous women. This finding warrants further examination.
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Affiliation(s)
- Dereje G Gete
- School of Public Health, Faculty of Medicine, University of Queensland, Queensland, Australia
| | - Michael Waller
- School of Public Health, Faculty of Medicine, University of Queensland, Queensland, Australia
| | - Gita D Mishra
- School of Public Health, Faculty of Medicine, University of Queensland, Queensland, Australia
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1552
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Tamm L, Patel M, Peugh J, Kline-Fath BM, Parikh NA. Early brain abnormalities in infants born very preterm predict under-reactive temperament. Early Hum Dev 2020; 144:104985. [PMID: 32163848 PMCID: PMC7577074 DOI: 10.1016/j.earlhumdev.2020.104985] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 01/27/2020] [Accepted: 02/13/2020] [Indexed: 01/03/2023]
Abstract
BACKGROUND Early temperament may mediate the association between brain abnormalities following preterm birth and neurodevelopmental outcomes. AIMS This exploratory study investigated whether brain abnormalities in infants born very preterm predicted temperament. STUDY DESIGN Infants born prematurely underwent structural MRI at term. Mother self-reported depression symptoms at the scanning visit, and the Infant Behavior Questionnaire-Revised-Short (IBQ-R-S) about their infant at 3-months corrected age. SUBJECTS Infants (n = 214) born at ≤32 weeks gestation (M = 29.29, SD = 2.60). Average post-menstrual age at the MRI scan was 42.72 weeks (SD = 1.30). The majority of the infants were male (n = 115), and Caucasian (n = 145) or African American (n = 58). The average birthweight in grams was 1289.75 (SD = 448.5). OUTCOME MEASURES Infant Behavior Questionnaire-Revised-Short (IBQ-R-S) subscales. RESULTS Multivariate regression showed white matter abnormalities predicted lower ratings on High Intensity Pleasure and Vocal Reactivity, grey matter abnormalities predicted lower ratings on High Intensity Pleasure and Cuddliness, and cerebellar abnormalities predicted lower ratings on Fear and Sadness IBQ-R-S subscales adjusting for gestational age and sex. The pattern of results was essentially unchanged when maternal depression and socioeconomic status were included in the model. CONCLUSIONS Early MRI-diagnosed brain abnormalities in infants born very preterm were associated less vocalization and engagement during cuddling, decreased ability to take pleasure in stimulating activities, and lower emotionality in fear and sadness domains. Although replication is warranted, an under-reactive temperament in infants born preterm may have a neurobiological basis.
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Affiliation(s)
- Leanne Tamm
- Department of Pediatrics, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave, MLC 7039, Cincinnati, OH 45229-3039, United States of America; University of Cincinnati College of Medicine, United States of America.
| | - Meera Patel
- Department of Pediatrics, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave, MLC 7039, Cincinnati, OH 45229-3039, United States of America.
| | - James Peugh
- Department of Pediatrics, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave, MLC 7039, Cincinnati, OH 45229-3039, United States of America; University of Cincinnati College of Medicine, United States of America.
| | - Beth M. Kline-Fath
- University of Cincinnati College of Medicine, United States of America,Department of Radiology, Cincinnati Children’s Hospital Medical Center, 3333 Burnet Ave, MLC 7039, Cincinnati, OH 45229-3039, United States of America
| | - Nehal A. Parikh
- Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, 3333 Burnet Ave, MLC 7039, Cincinnati, OH 45229-3039, United States of America,University of Cincinnati College of Medicine, United States of America,Correspondence to: N.A. Parikh, Perinatal Institute, Cincinnati Children’s Hospital Med. Center, 3333 Burnet Ave, MLC 7009, Cincinnati, OH 45229-3039, United States of America.
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1553
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Howe CG, Farzan SF, Garcia E, Jursa T, Iyer R, Berhane K, Chavez TA, Hodes TL, Grubbs BH, Funk WE, Smith DR, Bastain TM, Breton CV. Arsenic and birth outcomes in a predominately lower income Hispanic pregnancy cohort in Los Angeles. ENVIRONMENTAL RESEARCH 2020; 184:109294. [PMID: 32145549 PMCID: PMC7103498 DOI: 10.1016/j.envres.2020.109294] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 02/21/2020] [Accepted: 02/22/2020] [Indexed: 05/18/2023]
Abstract
Prenatal arsenic exposure has been associated with reduced fetal growth and increased risk for preterm birth, but most studies have been conducted in highly exposed populations outside the U.S. or in non-Hispanic populations in the rural U.S. The objectives of the current study were to: 1) examine the impact of early pregnancy exposure to arsenic on birth weight and gestational age at birth in a predominately lower income Hispanic pregnancy cohort in urban Los Angeles and 2) compare multiple biomarkers of arsenic exposure (blood, urine, and hair) assessed in early pregnancy (mean ± SD gestational age at biospecimen collection: 14 ± 4 weeks). Total arsenic (blood, hair) was measured by ICP-MS and speciated arsenic (urine) was measured by HPLC coupled to ICP-MS. Associations between log2-transformed arsenic measures and birth outcomes were evaluated using multivariable linear regression. A doubling in hair arsenic was associated with a 72.2 g (95% CI: -144.3, -0.1, P = 0.05) lower birth weight, after adjusting for potential confounders and gestational age at birth. A similar but non-significant trend was observed for blood arsenic, but not urine arsenic. The inverse association between hair arsenic and birth weight was more pronounced among infants whose mothers gained greater amounts of weight during pregnancy (Pinteraction = 0.02). The association between urinary monomethyl arsenic and GA at birth differed by pre-pregnancy BMI (Pinteraction<0.01). This study provides evidence that even at relatively low levels of exposure, arsenic exposure (measured in hair samples collected in early pregnancy) may adversely affect fetal growth in this understudied population, particularly in combination with greater gestational weight gain. Future studies with larger sample sizes are needed to confirm these findings and to further investigate some of the inconsistencies observed for the different arsenic biomarkers evaluated.
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Affiliation(s)
- Caitlin G Howe
- Department of Preventive Medicine, Keck School of Medicine of the University of Southern California, 2001 N Soto St, Los Angeles, CA, 90032, USA.
| | - Shohreh F Farzan
- Department of Preventive Medicine, Keck School of Medicine of the University of Southern California, 2001 N Soto St, Los Angeles, CA, 90032, USA.
| | - Erika Garcia
- Department of Preventive Medicine, Keck School of Medicine of the University of Southern California, 2001 N Soto St, Los Angeles, CA, 90032, USA.
| | - Thomas Jursa
- Department of Microbiology and Environmental Toxicology, University of California, Santa Cruz, 1156 High St, Santa Cruz, CA, 95064, USA.
| | - Ramsunder Iyer
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, 680 N Lake Shore Dr, Chicago, IL, 60611, USA.
| | - Kiros Berhane
- Department of Preventive Medicine, Keck School of Medicine of the University of Southern California, 2001 N Soto St, Los Angeles, CA, 90032, USA.
| | - Thomas A Chavez
- Department of Preventive Medicine, Keck School of Medicine of the University of Southern California, 2001 N Soto St, Los Angeles, CA, 90032, USA.
| | - Tahlia L Hodes
- Department of Preventive Medicine, Keck School of Medicine of the University of Southern California, 2001 N Soto St, Los Angeles, CA, 90032, USA.
| | - Brendan H Grubbs
- Department of Obstetrics and Gynecology, Keck School of Medicine, 2020 Zonal Ave, Los Angeles, CA, 90033, USA.
| | - William E Funk
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, 680 N Lake Shore Dr, Chicago, IL, 60611, USA.
| | - Donald R Smith
- Department of Microbiology and Environmental Toxicology, University of California, Santa Cruz, 1156 High St, Santa Cruz, CA, 95064, USA.
| | - Theresa M Bastain
- Department of Preventive Medicine, Keck School of Medicine of the University of Southern California, 2001 N Soto St, Los Angeles, CA, 90032, USA.
| | - Carrie V Breton
- Department of Preventive Medicine, Keck School of Medicine of the University of Southern California, 2001 N Soto St, Los Angeles, CA, 90032, USA.
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1554
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Ananth CV, Brandt JS. Disentangling the mediating effects of gestational age on neonatal outcomes: Still many unresolved questions. Paediatr Perinat Epidemiol 2020; 34:341-343. [PMID: 32103512 DOI: 10.1111/ppe.12656] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 01/22/2020] [Indexed: 11/29/2022]
Affiliation(s)
- Cande V Ananth
- Division of Epidemiology and Biostatistics, Department of Obstetrics, Gynecology, and Reproductive Sciences, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ.,Department of Biostatistics and Epidemiology, Rutgers School of Public Health, Piscataway, NJ.,Cardiovascular Institute of New Jersey, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ.,Environmental and Occupational Health Sciences Institute, Rutgers Robert Wood Johnson Medical School, Piscataway, NJ
| | - Justin S Brandt
- Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology, and Reproductive Sciences, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ
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1555
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Batura R, Colbourn T. A stitch in time: narrative review of interventions to reduce preterm births in Malawi. Int Health 2020; 12:213-221. [PMID: 31867622 PMCID: PMC7320425 DOI: 10.1093/inthealth/ihz101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 08/14/2019] [Accepted: 12/16/2019] [Indexed: 11/13/2022] Open
Abstract
Background The rising rate of preterm births (PTBs) is a global concern, and Malawi has a high rate of PTBs (10.5%). The resulting neonatal and under-5 mortality, morbidity and lifelong disability represent a significant loss of human potential affecting individuals, families and society as a whole. This study aims to review the literature to determine the risk factors for PTB in Malawi and to identify effective interventions to prevent PTBs. Methods A literature search yielded 22 studies that were categorized according to risk factors implicated for PTBs and health interventions to reduce the risks. Results The study has shown that maternal pregnancy factors, infections, nutrition, anaemia and young maternal age are the main causes and risk factors of PTBs in Malawi. The literature revealed no evidence of community-based interventions for reducing the rates of PTBs in Malawi. Conclusions Any successful effort to reduce the rate of PTBs will require a multisector, multilevel strategy targeted at the community, homes and individuals as a package to improve the education, nutrition and reproductive health of girls and women as well as focus on improving the delivery of antenatal services in the community.
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Affiliation(s)
- Rekha Batura
- UCL Institute for Global Health, 30 Guilford Street, London WC1N 1EH, UK
| | - Tim Colbourn
- UCL Institute for Global Health, 30 Guilford Street, London WC1N 1EH, UK
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1556
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Singh S, Picardo S, Seow CH. Management of Inflammatory Bowel Diseases in Special Populations: Obese, Old, or Obstetric. Clin Gastroenterol Hepatol 2020; 18:1367-1380. [PMID: 31712084 PMCID: PMC7183892 DOI: 10.1016/j.cgh.2019.11.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 10/25/2019] [Accepted: 11/04/2019] [Indexed: 02/07/2023]
Abstract
The epidemiology of inflammatory bowel disease (IBD) is progressively evolving impacting the type of patients with IBD we will see in clinical practice. In this review, we discuss specific challenges and solutions in the management of (1) obese, (2) older and (3) obstetric (pregnant) patients with IBD. With the global obesity epidemic, almost 1 in 3 patients with IBD are obese. Obesity is associated with greater difficulty in achieving remission, higher risk of disease relapse and higher burden and costs of hospitalization in patients with IBD. Obese patients also have inferior response to biologic therapy related to altered pharmacokinetics and obesity-mediated chronic inflammation. Surgical management of obese patients with IBD is also challenging. Similar to obesity, the prevalence of IBD in older patients is rising and it is anticipated that almost one-third of patients with IBD will be older than 60 years within the next decade. Older patients present unique diagnostic and therapeutic dilemmas, and management of these individuals warrants careful consideration of the risks of disease-related versus treatment-related complications, non-IBD-related extra-intestinal complications (eg, cardiovascular disease, malignancy), in the context of individual values, preferences, functional status and comorbidities. With evolving therapeutics, medical management of IBD surrounding pregnancy continues to be challenging. Overall, the management of pregnant patients requires a pro-active, multidisciplinary approach, with an emphasis on optimal disease control not just during, but prior to pregnancy. This often involves continuation of highly effective therapies, of which the vast majority are safe during pregnancy and breastfeeding, resulting in a reduction of risk of adverse maternal fetal outcomes.
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Affiliation(s)
- Siddharth Singh
- Division of Gastroenterology, University of California San Diego, La Jolla, California; Division of Biomedical Informatics, University of California San Diego, La Jolla, California.
| | - Sherman Picardo
- Inflammatory Bowel Disease Centre, Department of Gastroenterology, University of Calgary, Calgary, Alberta, Canada
| | - Cynthia H. Seow
- Inflammatory Bowel Disease Centre, Department of Gastroenterology, University of Calgary, Calgary, Alberta, Canada,Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
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1557
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Kvalvik LG, Wilcox AJ, Skjærven R, Østbye T, Harmon QE. Term complications and subsequent risk of preterm birth: registry based study. BMJ 2020; 369:m1007. [PMID: 32349968 PMCID: PMC7188013 DOI: 10.1136/bmj.m1007] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/05/2020] [Indexed: 01/08/2023]
Abstract
OBJECTIVE To explore conditions and outcomes of a first delivery at term that might predict later preterm birth. DESIGN Population based, prospective register based study. SETTING Medical Birth Registry of Norway, 1999-2015. PARTICIPANTS 302 192 women giving birth (live or stillbirth) to a second singleton child between 1999 and 2015. MAIN OUTCOME MEASURES Main outcome was the relative risk of preterm delivery (<37 gestational weeks) in the birth after a term first birth with pregnancy complications: pre-eclampsia, placental abruption, stillbirth, neonatal death, and small for gestational age. RESULTS Women with any of the five complications at term showed a substantially increased risk of preterm delivery in the next pregnancy. The absolute risks for preterm delivery in a second pregnancy were 3.1% with none of the five term complications (8202/265 043), 6.1% after term pre-eclampsia (688/11 225), 7.3% after term placental abruption (41/562), 13.1% after term stillbirth (72/551), 10.0% after term neonatal death (22/219), and 6.7% after term small for gestational age (463/6939). The unadjusted relative risk for preterm birth after term pre-eclampsia was 2.0 (95% confidence interval 1.8 to 2.1), after term placental abruption was 2.3 (1.7 to 3.1), after term stillbirth was 4.2 (3.4 to 5.2), after term neonatal death was 3.2 (2.2 to 4.8), and after term small for gestational age was 2.2 (2.0 to 2.4). On average, the risk of preterm birth was increased 2.0-fold (1.9-fold to 2.1-fold) with one term complication in the first pregnancy, and 3.5-fold (2.9-fold to 4.2-fold) with two or more complications. The associations persisted after excluding recurrence of the specific complication in the second pregnancy. These links between term complications and preterm delivery were also seen in the reverse direction: preterm birth in the first pregnancy predicted complications in second pregnancies delivered at term. CONCLUSIONS Pre-eclampsia, placental abruption, stillbirth, neonatal death, or small for gestational age experienced in a first term pregnancy are associated with a substantially increased risk of subsequent preterm delivery. Term complications seem to share important underlying causes with preterm delivery that persist from pregnancy to pregnancy, perhaps related to a mother's predisposition to disorders of placental function.
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Affiliation(s)
- Liv G Kvalvik
- Department of Global Public Health and Primary Care, University of Bergen, Postbox 7804, N-5020 Bergen, Norway
- Department of Biomedicine, University of Bergen, Bergen, Norway
| | - Allen J Wilcox
- National Institute of Environmental Health Sciences, Durham, NC, USA
| | - Rolv Skjærven
- Department of Global Public Health and Primary Care, University of Bergen, Postbox 7804, N-5020 Bergen, Norway
- Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Truls Østbye
- Department of Family Medicine and Community Health, Duke University, Durham, NC, USA
| | - Quaker E Harmon
- National Institute of Environmental Health Sciences, Durham, NC, USA
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1558
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Adu-Bonsaffoh K, Oppong SA, Dassah ET, Seffah JD. Challenges in preterm birth research: Ghanaian perspective. Placenta 2020; 98:24-28. [PMID: 33039028 DOI: 10.1016/j.placenta.2020.04.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 04/25/2020] [Accepted: 04/27/2020] [Indexed: 01/30/2023]
Abstract
Preterm birth is highly prevalent in Ghana. It is a major public health concern because of the high burden as well as the associated immediate and long-term consequences including increased healthcare cost. Studies conducted in high-income countries may not be sufficiently generalizable in our context. Locally generated evidence-based interventions will be indispensable in improving the clinical management and prevention of preterm birth in the country. However, there are limited published literature on preterm birth and prematurity in the country. This review seeks to discuss the major challenges associated with preterm birth research in Ghana and proposes evidence-based strategies to improve biomedical and epidemiological research on preterm birth and prematurity. The limited high quality preterm birth research is partly attributable to a variety of challenges related to accurate gestational age estimation, research training, capacity and support including funding, efficient ethics committees, local and international collaboration as well as effective health management information systems. Other related challenges include unavailability of reliable internet connectivity, poor compensation for researchers and lack of conductive research environment. There is the need to expedite advocacy on implementation of practical interventions and strategies aimed at increasing high quality research in the area of preterm birth and prematurity in the country. A paradigm shift in preterm birth research with appropriate integration of concerted multidisciplinary research groups should be constituted to put basic science research to clinical practice as well as the prevention of preterm birth in the country.
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Affiliation(s)
- K Adu-Bonsaffoh
- Department of Obstetrics and Gynecology, School of Medicine and Dentistry, University of Ghana, Accra, Ghana.
| | - S A Oppong
- Department of Obstetrics and Gynecology, School of Medicine and Dentistry, University of Ghana, Accra, Ghana
| | - E T Dassah
- School of Public Health, Kwame Nkrumah University of Science & Technology, Kumasi, Ghana; Department of Obstetrics & Gynecology, Komfo Anokye Teaching Hospital, Kumasi, Ghana
| | - J D Seffah
- Department of Obstetrics and Gynecology, School of Medicine and Dentistry, University of Ghana, Accra, Ghana
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1559
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Poulimeneas D, Bathrellou E, Antonogeorgos G, Mamalaki E, Kouvari M, Kuligowski J, Gormaz M, Panagiotakos DB, Yannakoulia M. Feeding the preterm infant: an overview of the evidence. Int J Food Sci Nutr 2020; 72:4-13. [PMID: 32340495 DOI: 10.1080/09637486.2020.1754352] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Feeding from own mother's milk is not always an option for preterm infants, and choosing between alternative means of feeding should be made in light of their effect on infants' health. In this work, we aimed to present evidence regarding feeding pre-term infants with human milk, either own mother's or donor milk (DM), and the potential effects on growth and other health related outcomes. Exclusive breastfeeding (BF) remains the optimal option, whereas feeding with DM as a sole diet or supplemental to maternal milk confers immunological advantages and fewer rates of necrotising enterocolitis against preterm formula feeding, yet the latter results in greater growth velocity. Literature gaps in the use of DM, practical suggestions for choosing suitable feeding means (i.e. continuous support of BF, adequate education regarding feeding preterm infants, including DM), and future perspectives on the potential effects of dietary manipulations of the maternal diet, are also discussed.
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Affiliation(s)
- Dimitrios Poulimeneas
- Department of Nutrition and Dietetics, School of Health Sciences and Education, Harokopio University, Athens, Greece
| | - Eirini Bathrellou
- Department of Nutrition and Dietetics, School of Health Sciences and Education, Harokopio University, Athens, Greece
| | - George Antonogeorgos
- Department of Nutrition and Dietetics, School of Health Sciences and Education, Harokopio University, Athens, Greece
| | - Eirini Mamalaki
- Department of Nutrition and Dietetics, School of Health Sciences and Education, Harokopio University, Athens, Greece
| | - Matina Kouvari
- Department of Nutrition and Dietetics, School of Health Sciences and Education, Harokopio University, Athens, Greece
| | - Julia Kuligowski
- Neonatal Research Group, Health Research Institute La Fe, Valencia, Spain
| | - María Gormaz
- Neonatal Research Group, Health Research Institute La Fe, Valencia, Spain.,Neonatal Unit, University and Polytechnic Hospital La Fe, Valencia, Spain
| | - Demosthenes B Panagiotakos
- Department of Nutrition and Dietetics, School of Health Sciences and Education, Harokopio University, Athens, Greece
| | - Mary Yannakoulia
- Department of Nutrition and Dietetics, School of Health Sciences and Education, Harokopio University, Athens, Greece
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1560
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Tanpradit K, Kaewkiattikun K. The Effect of Perceived Stress During Pregnancy on Preterm Birth. Int J Womens Health 2020; 12:287-293. [PMID: 32346315 PMCID: PMC7167275 DOI: 10.2147/ijwh.s239138] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 03/30/2020] [Indexed: 12/17/2022] Open
Abstract
Background Preterm birth is one of the most common problems in pregnancy globally, often leading to neonatal death. The rate of preterm birth is increasing every year. The etiology of preterm birth is multifactorial; preventable maternal psychosocial stress is one of the causes of preterm birth. There has not yet been a report of maternal psychosocial stress and preterm birth in Thailand. This study aimed to explore the relationship between maternal perceived stress and preterm birth. Objective To study the effects of maternal perceived stress on preterm birth. Patients and Methods An unmatched case–control study was conducted in postpartum women, between January 17, 2019, and September 30, 2019, at the Department of Obstetrics and Gynecology, Faculty of Medicine, Vajira Hospital. A total of 200 participants were enrolled and divided into case and control groups in a 1:1 ratio. The case group consisted of postpartum women with preterm birth and the control group consisted of consecutive postpartum women with term birth. Perceived stress was measured by using the Thai Perceived Stress Scale-10 (T-PSS-10). Results Maternal perceived stress during pregnancy was significantly greater in preterm birth compared with term birth in both means score (19.43±4.48 vs 14.08±4.06, p<0.001) and moderate to high stress level (92 vs 51, p<0.001). Perceived stress score and stress level were significant predictive factors for preterm birth (AOR 1.31, 95% CI 1.20–1.44, P < 0.001 and AOR 8.66, 95% CI 3.64–20.63, P < 0.001, respectively). Conclusion Maternal perceived stress during pregnancy was statistically greater in preterm birth. Perceived stress score and stress level were significant predictive factors for preterm birth.
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Affiliation(s)
- Kittikhun Tanpradit
- Department of Obstetrics & Gynecology, Faculty of Medicine Vajira Hospital, Navamindradhiraj University, Bangkok, Thailand
| | - Kasemsis Kaewkiattikun
- Department of Obstetrics & Gynecology, Faculty of Medicine Vajira Hospital, Navamindradhiraj University, Bangkok, Thailand
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1561
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Lazarević K, Bogdanović D, Stošić L. Trends and Causes of Neonatal Mortality in Serbia, 1997-2016. Balkan Med J 2020; 37:144-149. [PMID: 32043840 PMCID: PMC7161625 DOI: 10.4274/balkanmedj.galenos.2020.2019.5.145] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 02/10/2020] [Indexed: 12/01/2022] Open
Abstract
Background Regardless of the notable reduction in infant deaths worldwide over the last 30 years, the proportion of neonatal mortality in total child mortality is increasing. Aims To perform a trend analysis of neonatal mortality in Serbia. Study Design Descriptive observational study. Methods Joinpoint regression was used to analyze neonatal mortality data for the years 1997 to 2016 that were obtained from the Statistical Office of Serbia. Results The trend in the neonatal mortality rate decreased significantly by -5.6% (95% CI: -6.5 to -4.6) per year from 1997 to 2007, and by -2.6% (95% CI: -3.7 to -1.5) per year from 2007 to 2016. The neonatal mortality rate for certain conditions originating in the perinatal period decreased by -6.2% (95% CI: -7.5 to -4.9) per year during the years from 1997 to 2006, and by -1.9% (95% CI: -3.1 to -0.7) per year from 2006 to 2016. Among these conditions, disorders related to short gestation and low birth weight, not elsewhere classified, showed an upward trend by 8.5% (95% CI: 6.2 to 10.8) per year during the entire study period. From 1997 to 2016, a significant decrease in the neonatal mortality rate was detected in cases of congenital malformations, deformations, and chromosomal abnormalities, by -5.0% (95% CI: -6.1 to -4.0) per year. The neonatal mortality rate for cases of symptoms, signs, and abnormal clinical and laboratory findings, not elsewhere classified, decreased by -8.1% (95% CI: -11.0 to -5.2) yearly. Conclusion The neonatal mortality rate in Serbia decreased between 1997 and 2016, excluding deaths due to short gestation and low birth weight. Therefore, prevention of short gestation and low birth weight should be the highest public priority.
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Affiliation(s)
| | - Dragan Bogdanović
- Department of Biomedical Sciences, State University of Novi Pazar, Serbia
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1562
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Onwughara CE, Moodley D, Valashiya N, Sebitloane M. Preterm prelabour rupture of membranes (PPROM) and pregnancy outcomes in association with HIV-1 infection in KwaZulu-Natal, South Africa. BMC Pregnancy Childbirth 2020; 20:204. [PMID: 32272919 PMCID: PMC7146876 DOI: 10.1186/s12884-020-02911-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 03/30/2020] [Indexed: 12/22/2022] Open
Abstract
Background SubSaharan Africa has a disproportionate burden of HIV and preterm births (PTB). We hypothesized that PTB in HIV-1 infected women are more likely a result of prelabour rupture of membranes (PROM) and could lead to worse birth outcomes than HIV-uninfected women. We also hypothesized that PPROM increased the risk of mother-to-child transmission (MTCT) of HIV-1. Current clinical management protocols for PPROM do not include a differential treatment plan for HIV-infected women. Methods The maternity register at a regional hospital in a high HIV-burden district in South Africa was reviewed to identify all preterm births over a 3 month-period in 2018. We determined the incidence of PPROM using predefined criteria. Maternal age, parity, previous pregnancy complications, antenatal care, body mass index, history of smoking or alcohol, HIV infection and syphilis were computed on chi-square contingency tables to determine risk of PPROM. Overall pregnancy outcomes that included mode of delivery, fetal survival, birth weight, gestational age and newborn apgar scores were compared between HIV-infected and HIV-uninfected women whose pregnancies were complicated by PPROM. HIV-exposed newborns are routinely tested at birth for HIV by PCR. Results A total of 1758 deliveries were recorded for Jan-Mar, 2018, and 295 (16.8%) were preterm. Maternity charts were retrieved for 236 (80.0%) PTB; 47 of PTB (19.9%; 95%CI 15.0–25.6) were further complicated by PROM which translates to 2.7% (95%CI 1.9–3.4) of all deliveries. None of the risk variables including HIV-positive status (48.9% vs 47.6%) were different between PPROM and non-PPROM groups and the majority of women were receiving cART (94.7 and 92.0%). There were no differences in the proportion of low birth weight (RR 1.2 95%CI 0.6–2.1) or severe preterm birth (RR 1.6; 95%CI 0.9–2.9) between HIV-infected and HIV-uninfected women whose pregnancies were complicated by PPROM. None of the 22 HIV-exposed newborns in the PPROM group were HIV-infected at birth. Conclusion The PPROM incidence is not higher among HIV-infected women and our findings suggest that HIV-infected women who are virally suppressed on cART and presenting with PPROM are less likely to transmit HIV to their infants and do not have worse birth outcomes than HIV-uninfected women.
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Affiliation(s)
- Chidebere E Onwughara
- Department of Obstetrics and Gynaecology, School of Clinical Medicine, University of KwaZulu-Natal, Durban, South Africa
| | - Dhayendre Moodley
- Department of Obstetrics and Gynaecology, School of Clinical Medicine, University of KwaZulu-Natal, Durban, South Africa.
| | - Nthabiseng Valashiya
- Department of Obstetrics and Gynaecology, School of Clinical Medicine, University of KwaZulu-Natal, Durban, South Africa
| | - Motshedisi Sebitloane
- Department of Obstetrics and Gynaecology, School of Clinical Medicine, University of KwaZulu-Natal, Durban, South Africa
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1563
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Frazer K. Increased intake of omega-3 during pregnancy can reduce preterm births. Evid Based Nurs 2020; 23:63. [PMID: 31292152 DOI: 10.1136/ebnurs-2019-103064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/30/2019] [Indexed: 06/09/2023]
Affiliation(s)
- Kate Frazer
- School of Nursing, Midwifery and Health Systems, University College Dublin, Dublin, Ireland
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1564
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Affiliation(s)
- Ruth A Etzel
- Milken Institute School of Public Health, The George Washington University, Washington, DC
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1565
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Beck CT, Vo T. Fathers' stress related to their infants' NICU hospitalization: A mixed research synthesis. Arch Psychiatr Nurs 2020; 34:75-84. [PMID: 32248937 DOI: 10.1016/j.apnu.2020.02.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Revised: 01/27/2020] [Accepted: 02/08/2020] [Indexed: 11/30/2022]
Affiliation(s)
- Cheryl Tatano Beck
- School of Nursing, University of Connecticut, 231 Glenbrook Road, Storrs, CT 06269-4026, United States of America.
| | - Timothea Vo
- School of Nursing, University of Connecticut, 231 Glenbrook Road, Storrs, CT 06269-4026, United States of America
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1566
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Nezhat C, Roman RA, Rambhatla A, Nezhat F. Reproductive and oncologic outcomes after fertility-sparing surgery for early stage cervical cancer: a systematic review. Fertil Steril 2020; 113:685-703. [DOI: 10.1016/j.fertnstert.2020.02.003] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 01/25/2020] [Accepted: 02/03/2020] [Indexed: 12/21/2022]
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1567
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Brunner P, Schneider J, Borradori-Tolsa C, Bickle-Graz M, Hagmann P, Macherel M, Huppi PS, Truttmann AC. Transient tone anomalies in very preterm infants: Association with term-equivalent brain magnetic resonance imaging and neurodevelopment at 18 months. Early Hum Dev 2020; 143:104998. [PMID: 32145503 DOI: 10.1016/j.earlhumdev.2020.104998] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 02/21/2020] [Accepted: 02/22/2020] [Indexed: 11/17/2022]
Abstract
BACKGROUND Very preterm (VPT) infants are at risk for neurodevelopmental impairments and early clinical findings such as transient tone anomalies (TTA) might represent potential predictive indicators. AIMS The aims of this study were to assess 1) the prevalence of TTA at 6 months corrected age in a population of VPT infants, 2) the association with term-equivalent age (TEA) brain MRI and 3) the neurodevelopmental outcome at 18 months corrected age. STUDY DESIGN AND SUBJECTS A prospective case-control cohort of 103 VPT infants (<29 weeks of gestation) was followed up at 6 months and classified into TTA+ or TTA-. TTA+ was defined by the presence of ≥2 criteria among anomalies of posture, anomalies of tone and hyperreflexia. OUTCOME MEASURES Conventional and diffusion-weighted MRIs at TEA were analyzed according to a semi-quantitative MRI scoring system and apparent diffusion coefficients (ADC) and fractional anisotropy (FA) were measured in frontal, occipital white matter and posterior limb of the internal capsule (PLIC). Neurodevelopment was assessed at 18 months using Bayley-II scales (Psychomotor Developmental Index: PDI; Mental Developmental Index: MDI). RESULTS TTA+ infants represented 29.1% of the total population. They had: 1) significantly higher ADC values in 3 regions of interest (p < 0.001), 2) significant lower FA in the PLIC (p < 0.001), and 3) significant lower PDI score (p < 0.05). No differences were observed regarding MDI scores. Interaction of TTA by cerebellum score was related to lower MDI scores. CONCLUSIONS In VPT infants, TTA at 6 months and/or structural brain abnormality at TEA are associated with poorer neurodevelopmental outcome at 18 months.
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Affiliation(s)
- Pauline Brunner
- Clinic of Neonatology, Department of Women Mother Child, University Center Hospital and University of Lausanne, Vaud, Switzerland
| | - Juliane Schneider
- Clinic of Neonatology, Department of Women Mother Child, University Center Hospital and University of Lausanne, Vaud, Switzerland; Follow Up Unit, Department of Women Mother Child, University Center Hospital and University of Lausanne, Vaud, Switzerland
| | - Cristina Borradori-Tolsa
- Division of Development and Growth, Department of the Woman, Child and Adolescent, University Hospital Geneva, Switzerland
| | - Myriam Bickle-Graz
- Follow Up Unit, Department of Women Mother Child, University Center Hospital and University of Lausanne, Vaud, Switzerland
| | - Patric Hagmann
- Department of Radiology, University Center Hospital and University of Lausanne, Vaud, Switzerland
| | - Manon Macherel
- Clinic of Neonatology, Department of Women Mother Child, University Center Hospital and University of Lausanne, Vaud, Switzerland
| | - Petra S Huppi
- Division of Development and Growth, Department of the Woman, Child and Adolescent, University Hospital Geneva, Switzerland
| | - Anita C Truttmann
- Clinic of Neonatology, Department of Women Mother Child, University Center Hospital and University of Lausanne, Vaud, Switzerland.
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1568
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Mustieles V, Zhang Y, Yland J, Braun JM, Williams PL, Wylie BJ, Attaman JA, Ford JB, Azevedo A, Calafat AM, Hauser R, Messerlian C. Maternal and paternal preconception exposure to phenols and preterm birth. ENVIRONMENT INTERNATIONAL 2020; 137:105523. [PMID: 32120140 PMCID: PMC7169435 DOI: 10.1016/j.envint.2020.105523] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 01/21/2020] [Accepted: 01/23/2020] [Indexed: 05/08/2023]
Abstract
BACKGROUND Phenol exposure during pregnancy has been associated with preterm birth, but the potential effect of preconception exposure in either parent is unknown. There is a growing body of evidence to suggest that the preconception period is a critical window of vulnerability for adverse pregnancy outcomes. OBJECTIVE We examined whether maternal and paternal preconception urinary concentrations of select phenols were associated with the risk of preterm birth among couples attending fertility care. METHODS The analysis included 417 female and 229 male participants of the Environment and Reproductive Health (EARTH) Study who gave birth to 418 singleton infants between 2005 and 2018 and for whom we had phenol biomarkers quantified in at least one urine sample collected before conception. Mothers and fathers provided an average of 4 and 3 urine samples during the preconception period, respectively. We calculated the geometric mean of bisphenol A (BPA), bisphenol S (BPS), benzophenone-3, triclosan, and the molar sum of parabens (ΣParabens) urinary concentrations to estimate each participant's preconception exposure. Risk ratios (RRs) of preterm birth (live birth before 37 completed weeks' gestation) were estimated using modified Poisson regression models adjusted for covariates. RESULTS The mean (SD) gestational age among singletons was 39.3 (1.7) weeks with 8% born preterm. A natural log-unit increase in maternal preconception BPA (RR 1.94; 95% CI: 1.20, 3.14) and BPS (RR 2.42; 95% CI: 1.01, 5.77) concentration was associated with an increased risk of preterm birth. These associations remained after further adjustment for maternal prenatal and paternal preconception biomarker concentrations. Paternal preconception ΣParabens concentrations showed a possible elevated risk of preterm birth (RR 1.36; 95% CI: 0.94, 1.96). No consistent pattern of association was observed for benzophenone-3 or triclosan biomarkers in either parent. DISCUSSION Maternal preconception urinary BPA and BPS concentrations, as well as paternal preconception urinary parabens concentrations were prospectively associated with a higher risk of preterm birth. Subfertile couples' exposure to select phenols during the preconception period may be an unrecognized risk factor for adverse pregnancy outcomes.
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Affiliation(s)
- 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), 18100, Spain
| | - Yu Zhang
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA; School of Health Humanities, Peking University Health Science Center, Beijing, Beijing, China
| | - Jennifer Yland
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Joseph M Braun
- Department of Epidemiology, Brown University School of Public Health, Providence, RI, USA
| | - Paige L Williams
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Blair J Wylie
- Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Jill A Attaman
- Department of Obstetrics and Gynecology, Massachusetts General Hospital Fertility Center, Boston, MA, USA
| | - Jennifer B Ford
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Alexandra Azevedo
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Antonia M Calafat
- National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Russ Hauser
- 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.
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1569
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Kapoor M, Kim R, Sahoo T, Roy A, Ravi S, Kumar AKS, Agarwal R, Subramanian SV. Association of Maternal History of Neonatal Death With Subsequent Neonatal Death in India. JAMA Netw Open 2020; 3:e202887. [PMID: 32297947 PMCID: PMC7163408 DOI: 10.1001/jamanetworkopen.2020.2887] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
IMPORTANCE Among the United Nations' Sustainable Development Goals is to reduce the neonatal mortality rate to 12 per 1000 live births by 2030. Identifying high-risk pregnancies can help achieve this target in low-resource countries, such as India, which accounts for one-fourth of global neonatal deaths. OBJECTIVE To analyze the association of maternal history of neonatal death with subsequent neonatal mortality. DESIGN, SETTING, AND PARTICIPANTS This cross-sectional study included a nationally representative sample of singleton live births from multiparous women. Data were obtained from the 2016 National Family Health Survey in India. Data were analyzed from November 2018 to January 2020. EXPOSURES Maternal history of neonatal death and a comprehensive set of covariates, including socioeconomic environment, maternal anthropometry, and pregnancy care. MAIN OUTCOMES AND MEASURES Subsequent neonatal mortality. Population-attributable risk associated with history of neonatal death was calculated, and sensitivity analyses were performed. RESULTS The overall study population consisted of 127 336 singleton live births from multiparous women aged 15 to 49 (mean [SD] age, 28.8 [5.2] years) years when the survey was undertaken. In our analytic sample, 11 101 (8.7%) mothers had a history of neonatal death, and 506 of 2224 total neonatal deaths (22.8%) were attributed to women with history of neonatal death. The prevalence of history of neonatal death differed by selected covariates and across states or union territories. Maternal history of neonatal death was associated with significantly higher odds of neonatal mortality (adjusted odds ratio, 2.23; 95% CI, 1.96-2.55), and this remained consistent across different subgroups. The population-attributable risk associated with maternal history of neonatal death was 11.8%. Stronger associations were found for maternal history of multiple neonatal deaths (adjusted odds ratio, 3.50; 95% CI, 2.78-4.41) and in respect to the risk of mortality in early neonatal period (ie, 0-2 completed days) (adjusted odds ratio, 2.45; 95% CI, 2.09-2.86). CONCLUSIONS AND RELEVANCE These findings suggest that maternal history of neonatal death is a potentially useful risk factor to identify women and neonates who may need extended and enhanced pregnancy care.
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Affiliation(s)
- Mudit Kapoor
- Economics and Planning Unit, Indian Statistical Institute, New Delhi, India
| | - Rockli Kim
- Division of Health Policy and Management, College of Health Sciences, Korea University, Seoul, South Korea
- Department of Public Health Sciences, Graduate School, Korea University, Seoul, South Korea
- Harvard Center for Population and Development Studies, Cambridge, Massachusetts
| | - Tanushree Sahoo
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - Ambuj Roy
- Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India
| | | | | | - Ramesh Agarwal
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - S. V. Subramanian
- Harvard Center for Population and Development Studies, Cambridge, Massachusetts
- Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
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1570
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Galaz J, Romero R, Slutsky R, Xu Y, Motomura K, Para R, Pacora P, Panaitescu B, Hsu CD, Kacerovsky M, Gomez-Lopez N. Cellular immune responses in amniotic fluid of women with preterm prelabor rupture of membranes. J Perinat Med 2020; 48:222-233. [PMID: 32083453 PMCID: PMC7147947 DOI: 10.1515/jpm-2019-0395] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 12/22/2019] [Indexed: 12/21/2022]
Abstract
Background Preterm birth is the leading cause of perinatal morbidity and mortality. Preterm prelabor rupture of membranes (pPROM) occurs in 30% of preterm births; thus, this complication is a major contributor to maternal and neonatal morbidity. However, the cellular immune responses in amniotic fluid of women with pPROM have not been investigated. Methods Amniotic fluid samples were obtained from women with pPROM and a positive (n = 7) or negative (n = 10) microbiological culture. Flow cytometry was performed to evaluate the phenotype and number of amniotic fluid leukocytes. The correlation between amniotic fluid immune cells and an interleukin-6 (IL-6) concentration or a white blood cell (WBC) count in amniotic fluid was calculated. Results Women with pPROM and a positive amniotic fluid culture had (1) a greater number of total leukocytes in amniotic fluid, including neutrophils and monocytes/macrophages and (2) an increased number of total T cells in amniotic fluid, namely CD4+ T cells and CD8+ T cells, but not B cells. The numbers of neutrophils and monocytes/macrophages were positively correlated with IL-6 concentrations and WBC counts in amniotic fluid of women with pPROM. Conclusion Women with pPROM and a positive amniotic fluid culture exhibit a more severe cellular immune response than those with a negative culture, which is associated with well-known markers of intra-amniotic inflammation.
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Affiliation(s)
- Jose Galaz
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U. S. Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA,Department of Obstetrics and Gynecology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Roberto Romero
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U. S. Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, USA,Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan, USA,Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, Michigan, USA,Center for Molecular Medicine and Genetics, Wayne State University, Detroit, Michigan, USA,Detroit Medical Center, Detroit, Michigan, USA,Department of Obstetrics and Gynecology, Florida International University, Miami, Florida, USA
| | - Rebecca Slutsky
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U. S. Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, USA
| | - Yi Xu
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U. S. Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Kenichiro Motomura
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U. S. Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Robert Para
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U. S. Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Percy Pacora
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U. S. Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Bogdan Panaitescu
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U. S. Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Chaur-Dong Hsu
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U. S. Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA,Department of Physiology, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Marian Kacerovsky
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U. S. Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Nardhy Gomez-Lopez
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U. S. Department of Health and Human Services, Bethesda, Maryland, and Detroit, Michigan, USA,Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA,Department of Immunology, Microbiology and Biochemistry, Wayne State University School of Medicine, Detroit, Michigan, USA
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1571
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Volozonoka L, Rots D, Kempa I, Kornete A, Rezeberga D, Gailite L, Miskova A. Genetic landscape of preterm birth due to cervical insufficiency: Comprehensive gene analysis and patient next-generation sequencing data interpretation. PLoS One 2020; 15:e0230771. [PMID: 32214361 PMCID: PMC7098624 DOI: 10.1371/journal.pone.0230771] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 03/07/2020] [Indexed: 01/10/2023] Open
Abstract
Preterm delivery is both a traumatizing experience for the patient and a burden on the healthcare system. A condition distinguishable by its phenotype in prematurity is cervical insufficiency, where certain cases exhibit a strong genetic component. Despite genomic advancements, little is known about the genetics of human cervix remodeling during pregnancy. Using selected gene approaches, a few studies have demonstrated an association of common gene variants with cervical insufficiency. However, until now, no study has employed comprehensive methods to investigate this important subject matter. In this study, we asked: i) are there genes reliably linked to cervical insufficiency and, if so, what are their roles? and ii) what is the proportion of cases of non-syndromic cervical insufficiency attributable to these genetic variations? We performed next-generation sequencing on 21 patients with a clinical presentation of cervical insufficiency. To assist the sequencing data interpretation, we retrieved all known genes implicated in cervical functioning through a systematic literature analysis and additional gene searches. These genes were then classified according to their relation to the questions being posed by the study. Patients' sequence variants were filtered for pathogenicity and assigned a likelihood of being contributive to phenotype development. Gene extraction and analysis revealed 12 genes primarily linked to cervical insufficiency, the majority of which are known to cause collagenopathies. Ten patients carried disruptive variants potentially contributive to the development of non-syndromic cervical insufficiency. Pathway enrichment analysis of variant genes from our cohort revealed an increased variation burden in genes playing roles in tissue mechanical and biomechanical properties, i.e. collagen biosynthesis and cell-extracellular matrix communications. Consequently, the proposed idea of cervical insufficiency being a subtle form of collagenopathy, now strengthened by our genetic findings, might open up new opportunities for improved patient evaluation and management.
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Affiliation(s)
- Ludmila Volozonoka
- Scientific Laboratory of Molecular Genetics, Riga Stradins University, Riga, Latvia
| | - Dmitrijs Rots
- Scientific Laboratory of Molecular Genetics, Riga Stradins University, Riga, Latvia
| | - Inga Kempa
- Scientific Laboratory of Molecular Genetics, Riga Stradins University, Riga, Latvia
| | - Anna Kornete
- Department of Obstetrics and Gynecology, Riga Stradins University, Riga, Latvia
| | - Dace Rezeberga
- Department of Obstetrics and Gynecology, Riga Stradins University, Riga, Latvia
| | - Linda Gailite
- Scientific Laboratory of Molecular Genetics, Riga Stradins University, Riga, Latvia
| | - Anna Miskova
- Department of Obstetrics and Gynecology, Riga Stradins University, Riga, Latvia
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1572
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Berger H, Melamed N, Davis BM, Hasan H, Mawjee K, Barrett J, McDonald SD, Geary M, Ray JG. Impact of diabetes, obesity and hypertension on preterm birth: Population-based study. PLoS One 2020; 15:e0228743. [PMID: 32210434 PMCID: PMC7094836 DOI: 10.1371/journal.pone.0228743] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 01/22/2020] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE To determine the impact of pre-pregnancy diabetes mellitus (D), obesity (O) and chronic hypertension (H) on preterm birth (PTB). METHODS Retrospective population-based cohort study in Ontario, Canada between 2012-2016. Women who had a singleton livebirth or stillbirth at > 20 weeks gestation were included in the cohort. Exposures of interest were D, O and H, individually, and in various combinations. The primary outcome was PTB at 241/7 to 366/7 weeks. PTB was further analyzed by spontaneous or provider-initiated, early (< 34 weeks) or late (34-37 weeks), and the co-presence of preeclampsia, large for gestational age (LGA), and small for gestational age (SGA). Multivariable Poisson regression models with robust error variance were used to generate relative risks (RR), further adjusted for maternal age and parity (aRR). Population attributable fractions (PAF) were calculated for each of the outcomes by exposure state. RESULTS 506,483 women were eligible for analysis. 30,139 pregnancies (6.0%) were complicated by PTB < 37 weeks, of which 7375 (24.5%) had D or O or H. Relative to women without D or O or H, the aRR for PTB < 37 weeks was higher for D (3.51; 95% CI 3.26-3.78) and H (3.81; 95% CI 3.55-4.10) than O (1.14; 95% CI 1.10-1.17). The combined state of DH was associated with a significantly higher aRR of PTB < 37 weeks (6.34; 95% CI 5.14-7.80) and < 34 weeks (aRR 10.33, 95% CI 6.96-15.33) than D alone. The risk of provider initiated PTB was generally higher than that for spontaneous PTB. Pre-pregnancy hypertension was associated with the highest risk for PTB with preeclampsia (aRR 45.42, 95% CI 39.69-51.99) and PTB with SGA (aRR 9.78, 95% CI 7.81-12.26) while pre-pregnancy diabetes was associated with increased risk for PTB with LGA (aRR 28.85, 95% CI 24.65-33.76). CONCLUSION Combinations of DOH significantly magnify the risk of PTB, especially provider initiated PTB, and PTB with altered fetal growth or preeclampsia.
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Affiliation(s)
- Howard Berger
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, St. Michael’s Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Nir Melamed
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada
| | - Beth Murray Davis
- Departments of Obstetrics and Gynecology, Midwifery Education Program, McMaster University, Hamilton, Ontario, Canada
| | - Haroon Hasan
- Better Outcomes Registry & Network (BORN) Ontario, Children’s Hospital of Eastern Ontario (CHEO), Ottawa, Ontario, Canada
| | - Karizma Mawjee
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, St. Michael’s Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Jon Barrett
- Departments of Obstetrics and Gynecology, Midwifery Education Program, McMaster University, Hamilton, Ontario, Canada
| | - Sarah D. McDonald
- Division of Maternal-Fetal Medicine, Departments of Obstetrics and Gynecology, Radiology and Health Research Methods, Evidence & Impact, McMaster University, Hamilton, Ontario, Canada
| | - Michael Geary
- Department of Obstetrics & Gynaecology, Rotunda Hospital, Rotunda, Dublin 1, Ireland
| | - Joel G. Ray
- Departments of Medicine and Obstetrics and Gynaecology, St. Michael’s Hospital, University of Toronto, Toronto, Ontario, Canada
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1573
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Al-Nasiry S, Ambrosino E, Schlaepfer M, Morré SA, Wieten L, Voncken JW, Spinelli M, Mueller M, Kramer BW. The Interplay Between Reproductive Tract Microbiota and Immunological System in Human Reproduction. Front Immunol 2020; 11:378. [PMID: 32231664 PMCID: PMC7087453 DOI: 10.3389/fimmu.2020.00378] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 02/17/2020] [Indexed: 12/12/2022] Open
Abstract
In the last decade, the microbiota, i.e., combined populations of microorganisms living inside and on the surface of the human body, has increasingly attracted attention of researchers in the medical field. Indeed, since the completion of the Human Microbiome Project, insight and interest in the role of microbiota in health and disease, also through study of its combined genomes, the microbiome, has been steadily expanding. One less explored field of microbiome research has been the female reproductive tract. Research mainly from the past decade suggests that microbial communities residing in the reproductive tract represent a large proportion of the female microbial network and appear to be involved in reproductive failure and pregnancy complications. Microbiome research is facing technological and methodological challenges, as detection techniques and analysis methods are far from being standardized. A further hurdle is understanding the complex host-microbiota interaction and the confounding effect of a multitude of constitutional and environmental factors. A key regulator of this interaction is the maternal immune system that, during the peri-conceptional stage and even more so during pregnancy, undergoes considerable modulation. This review aims to summarize the current literature on reproductive tract microbiota describing the composition of microbiota in different anatomical locations (vagina, cervix, endometrium, and placenta). We also discuss putative mechanisms of interaction between such microbial communities and various aspects of the immune system, with a focus on the characteristic immunological changes during normal pregnancy. Furthermore, we discuss how abnormal microbiota composition, “dysbiosis,” is linked to a spectrum of clinical disorders related to the female reproductive system and how the maternal immune system is involved. Finally, based on the data presented in this review, the future perspectives in diagnostic approaches, research directions and therapeutic opportunities are explored.
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Affiliation(s)
- Salwan Al-Nasiry
- Department of Obstetrics and Gynecology, GROW School of Oncology and Developmental Biology, Maastricht University Medical Centre (MUMC), Maastricht, Netherlands
| | - Elena Ambrosino
- Department of Genetics and Cell Biology, Faculty of Health, Medicine and Life Sciences, Research School GROW (School for Oncology & Developmental Biology), Institute for Public Health Genomics, Maastricht University, Maastricht, Netherlands
| | - Melissa Schlaepfer
- Department of Obstetrics and Gynecology, University Hospital Bern, University of Bern, Bern, Switzerland
| | - Servaas A Morré
- Department of Genetics and Cell Biology, Faculty of Health, Medicine and Life Sciences, Research School GROW (School for Oncology & Developmental Biology), Institute for Public Health Genomics, Maastricht University, Maastricht, Netherlands.,Laboratory of Immunogenetics, Department Medical Microbiology and Infection Control, VU University Medical Center, Amsterdam UMC, Amsterdam, Netherlands
| | - Lotte Wieten
- Tissue Typing Laboratory, Department of Transplantation Immunology, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Jan Willem Voncken
- Department of Molecular Genetics, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Marialuigia Spinelli
- Department of Obstetrics and Gynecology, University Hospital Bern, University of Bern, Bern, Switzerland
| | - Martin Mueller
- Department of Obstetrics and Gynecology, University Hospital Bern, University of Bern, Bern, Switzerland.,Department of Pediatrics, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Boris W Kramer
- Department of Pediatrics, Maastricht University Medical Centre, Maastricht, Netherlands
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1574
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Brotherton H, Gai A, Tann CJ, Samateh AL, Seale AC, Zaman SMA, Cousens S, Roca A, Lawn JE. Protocol for a randomised trial of early kangaroo mother care compared to standard care on survival of pre-stabilised preterm neonates in The Gambia (eKMC). Trials 2020; 21:247. [PMID: 32143737 PMCID: PMC7059319 DOI: 10.1186/s13063-020-4149-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 02/06/2020] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Complications of preterm birth cause more than 1 million deaths each year, mostly within the first day after birth (47%) and before full post-natal stabilisation. Kangaroo mother care (KMC), provided as continuous skin-to-skin contact for 18 h per day to fully stabilised neonates ≤ 2000 g, reduces mortality by 36-51% at discharge or term-corrected age compared with incubator care. The mortality effect of starting continuous KMC before stabilisation is a priority evidence gap, which we aim to investigate in the eKMC trial, with a secondary aim of understanding mechanisms, particularly for infection prevention. METHODS We will conduct a single-site, non-blinded, individually randomised, controlled trial comparing two parallel groups to either early (within 24 h of admission) continuous KMC or standard care on incubator or radiant heater with KMC when clinically stable at > 24 h of admission. Eligible neonates (n = 392) are hospitalised singletons or twins < 2000 g and 1-24 h old at screening who are mild to moderately unstable as per a trial definition using cardio-respiratory parameters. Randomisation is stratified by weight category (< 1200 g; ≥ 1200 g) and in random permuted blocks of varying sizes with allocation of twins to the same arm. Participants are followed up to 28 ± 5 days of age with regular inpatient assessments plus criteria-led review in the event of clinical deterioration. The primary outcome is all-cause neonatal mortality by age 28 days. Secondary outcomes include the time to death, cardio-respiratory stability, hypothermia, exclusive breastfeeding at discharge, weight gain at age 28 days, clinically suspected infection (age 3 to 28 days), intestinal carriage of extended-spectrum beta-lactamase producing (ESBL) Klebsiella pneumoniae (age 28 days), and duration of the hospital stay. Intention-to-treat analysis will be applied for all outcomes, adjusting for twin gestation. DISCUSSION This is one of the first clinical trials to examine the KMC mortality effect in a pre-stabilised preterm population. Our findings will contribute to the global evidence base in addition to providing insights into the infection prevention mechanisms and safety of using this established intervention for the most vulnerable neonatal population. TRIAL REGISTRATION ClinicalTrials.gov NCT03555981. Submitted 8 May 2018 and registered 14 June 2018. Prospectively registered.
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Affiliation(s)
- Helen Brotherton
- Faculty of Epidemiology and Population Health, and MARCH Centre, London School of Hygiene & Tropical Medicine (LSHTM), Keppel Street, London, UK.
- MRC Unit The Gambia at LSHTM, Atlantic Road, Fajara, The Gambia.
- Department of Medical Paediatrics, Royal Hospital for Sick Children, Edinburgh, UK.
| | - Abdou Gai
- MRC Unit The Gambia at LSHTM, Atlantic Road, Fajara, The Gambia
| | - Cally J Tann
- Faculty of Epidemiology and Population Health, and MARCH Centre, London School of Hygiene & Tropical Medicine (LSHTM), Keppel Street, London, UK
- MRC/UVRI & LSHTM Uganda Research Unit, Plot 51-59 Nakiwogo Road, Entebbe, Uganda
- Neonatal Medicine, University College London Hospitals NHS Trust, 235 Euston Rd, London, UK
| | | | - Anna C Seale
- Faculty of Epidemiology and Population Health, and MARCH Centre, London School of Hygiene & Tropical Medicine (LSHTM), Keppel Street, London, UK
| | - Syed M A Zaman
- Education Department, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, UK
| | - Simon Cousens
- Faculty of Epidemiology and Population Health, and MARCH Centre, London School of Hygiene & Tropical Medicine (LSHTM), Keppel Street, London, UK
| | - Anna Roca
- MRC Unit The Gambia at LSHTM, Atlantic Road, Fajara, The Gambia
| | - Joy E Lawn
- Faculty of Epidemiology and Population Health, and MARCH Centre, London School of Hygiene & Tropical Medicine (LSHTM), Keppel Street, London, UK
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1575
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Boardman JP, Hall J, Thrippleton MJ, Reynolds RM, Bogaert D, Davidson DJ, Schwarze J, Drake AJ, Chandran S, Bastin ME, Fletcher-Watson S. Impact of preterm birth on brain development and long-term outcome: protocol for a cohort study in Scotland. BMJ Open 2020; 10:e035854. [PMID: 32139495 PMCID: PMC7059503 DOI: 10.1136/bmjopen-2019-035854] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
INTRODUCTION Preterm birth is closely associated with altered brain development and is a leading cause of neurodevelopmental, cognitive and behavioural impairments across the life course. We aimed to investigate neuroanatomic variation and adverse outcomes associated with preterm birth by studying a cohort of preterm infants and controls born at term using brain MRI linked to biosamples and clinical, environmental and neuropsychological data. METHODS AND ANALYSIS Theirworld Edinburgh Birth Cohort is a prospective longitudinal cohort study at the University of Edinburgh. We plan to recruit 300 infants born at <33 weeks of gestational age (GA) and 100 healthy control infants born after 37 weeks of GA. Multiple domains are assessed: maternal and infant clinical and demographic information; placental histology; immunoregulatory and trophic proteins in umbilical cord and neonatal blood; brain macrostructure and microstructure from structural and diffusion MRI (dMRI); DNA methylation; hypothalamic-pituitary-adrenal axis activity; social cognition, attention and processing speed from eye tracking during infancy and childhood; neurodevelopment; gut and respiratory microbiota; susceptibility to viral infections; and participant experience. Main analyses include creation of novel methods for extracting information from neonatal structural and dMRI, regression analyses of predictors of brain maldevelopment and neurocognitive outcome associated with preterm birth, and determination of the quantitative predictive performance of MRI and other early life factors for childhood outcome. ETHICS AND DISSEMINATION Ethical approval has been obtained from the National Research Ethics Service (NRES), South East Scotland Research Ethics Committee (NRES numbers 11/55/0061 and 13/SS/0143 (phase I) and 16/SS/0154 (phase II)), and NHS Lothian Research and Development (2016/0255). Results are disseminated through open access journals, scientific meetings, social media, newsletters anda study website (www.tebc.ed.ac.uk), and we engage with the University of Edinburgh public relations and media office to ensure maximum publicity and benefit.
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Affiliation(s)
- James P Boardman
- MRC Centre for Reproductive Health, The University of Edinburgh, Edinburgh, UK
- Centre for Clinical Brain Sciences, The University of Edinburgh, Edinburgh, UK
| | - Jill Hall
- MRC Centre for Reproductive Health, The University of Edinburgh, Edinburgh, UK
| | | | - Rebecca M Reynolds
- Centre for Cardiovascular Science, The University of Edinburgh, Edinburgh, UK
| | - Debby Bogaert
- Centre for Inflammation Research, The University of Edinburgh, Edinburgh, UK
| | - Donald J Davidson
- Centre for Inflammation Research, The University of Edinburgh, Edinburgh, UK
| | - Jurgen Schwarze
- Centre for Inflammation Research, The University of Edinburgh, Edinburgh, UK
| | - Amanda J Drake
- Centre for Cardiovascular Science, The University of Edinburgh, Edinburgh, UK
| | | | - Mark E Bastin
- Centre for Clinical Brain Sciences, The University of Edinburgh, Edinburgh, UK
| | - Sue Fletcher-Watson
- Centre for Clinical Brain Sciences, The University of Edinburgh, Edinburgh, UK
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1576
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Peiris HN, Vaswani K, Holland O, Koh YQ, Almughlliq FB, Reed S, Mitchell MD. Altered productions of prostaglandins and prostamides by human amnion in response to infectious and inflammatory stimuli identified by mutliplex mass spectrometry. Prostaglandins Leukot Essent Fatty Acids 2020; 154:102059. [PMID: 32014738 DOI: 10.1016/j.plefa.2020.102059] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 11/28/2019] [Accepted: 01/21/2020] [Indexed: 11/15/2022]
Abstract
INTRODUCTION Prostaglandins are critical for the onset and progression of labor in mammals, and are formed by the metabolism of arachidonic acid. The products of arachidonic acid, 2-arachidonoylglycerol (2-AG), and anandamide (AEA) have a similar lipid back bone but differing polar head groups, meaning that identification of these products by immunoassay can be difficult. MATERIALS AND METHODS In the current study, we present the use of mass spectrometry as multiplex method of identifying the specific end products of arachidonic and anandamide metabolism by human derived amnion explants treated with either an infectious agent (LPS) or inflammatory mediator (IL-1β or TNF-α). RESULTS Human amnion tissue explants treated with LPS, IL-1β, or TNF-α increased production of prostaglandin E2 (PGE2; p < 0.05) but decreased PGFM. Overall, PGE2 production was greater compared to the other prostaglandins and prostamides irrespective of treatment. CONCLUSIONS The findings of the current study are in keeping with the literature which describes amnion tissues as predominantly producing PGE2. The use of mass spectrometry for the differential identification of prostaglandins, prostamides, and other eicosanoids may help better elucidate mechanisms of preterm labor, and lead to new targets for the prediction of risk for preterm labor and/or birth.
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Affiliation(s)
- Hassendrini N Peiris
- School of Biomedical Science, Institute of Health and Biomedical Innovation - Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, 62 Graham Street, South Brisbane, QLD 4101, Australia.
| | - Kanchan Vaswani
- School of Biomedical Science, Institute of Health and Biomedical Innovation - Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, 62 Graham Street, South Brisbane, QLD 4101, Australia
| | - Olivia Holland
- School of Biomedical Science, Institute of Health and Biomedical Innovation - Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, 62 Graham Street, South Brisbane, QLD 4101, Australia
| | - Yong Qin Koh
- School of Biomedical Science, Institute of Health and Biomedical Innovation - Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, 62 Graham Street, South Brisbane, QLD 4101, Australia
| | - Fatema B Almughlliq
- University of Queensland Centre for Clinical Research, Building 71/918, Royal Brisbane and Women's Hospital, Herston, QLD 4029, Australia
| | - Sarah Reed
- University of Queensland Centre for Clinical Research, Building 71/918, Royal Brisbane and Women's Hospital, Herston, QLD 4029, Australia
| | - Murray D Mitchell
- School of Biomedical Science, Institute of Health and Biomedical Innovation - Centre for Children's Health Research, Faculty of Health, Queensland University of Technology, 62 Graham Street, South Brisbane, QLD 4101, Australia.
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1577
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Luyckx VA, Cherney DZ, Bello AK. Preventing CKD in Developed Countries. Kidney Int Rep 2020; 5:263-277. [PMID: 32154448 PMCID: PMC7056854 DOI: 10.1016/j.ekir.2019.12.003] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Accepted: 12/09/2019] [Indexed: 12/14/2022] Open
Abstract
Chronic kidney disease (CKD) is an important public health concern in developed countries because of both the number of people affected and the high cost of care when prevention strategies are not effectively implemented. Prevention should start at the governance level with the institution of multisectoral polices supporting sustainable development goals and ensuring safe and healthy environments. Primordial prevention of CKD can be achieved through implementation of measures to ensure healthy fetal (kidney) development. Public health strategies to prevent diabetes, hypertension, and obesity as risk factors for CKD are important. These approaches are cost-effective and reduce the overall noncommunicable disease burden. Strategies to prevent nontraditional CKD risk factors, including nephrotoxin exposure, kidney stones, infections, environmental exposures, and acute kidney injury (AKI), need to be tailored to local needs and epidemiology. Early diagnosis and treatment of CKD risk factors such as diabetes, obesity, and hypertension are key for primary prevention of CKD. CKD tends to occur more frequently and to progress more rapidly among indigenous, minority, and socioeconomically disadvantaged populations. Special attention is required to meet the CKD prevention needs of these populations. Effective secondary prevention of CKD relies on screening of individuals at risk to detect and treat CKD early, using established and emerging strategies. Within high-income countries, barriers to accessing effective CKD therapies must be recognized, and public health strategies must be developed to overcome these obstacles, including training and support at the primary care level to identify individuals at risk of CKD, and appropriately implement clinical practice guidelines.
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Affiliation(s)
- Valerie A. Luyckx
- Institute of Biomedical Ethics and the History of Medicine, University of Zurich, Zurich, Switzerland
- Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, USA
- Nephrology, Cantonal Hospital Graubunden, Chur, Switzerland
| | - David Z.I. Cherney
- Division of Nephrology, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Aminu K. Bello
- Division of Nephrology and Immunology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
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1578
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Tang J, Zhu X, Li M, Huang D, Zhao Q. The impact of maternal prepregnancy impaired fasting glucose on preterm birth and large for gestational age: a large population-based cohort study. Am J Obstet Gynecol 2020; 222:265.e1-265.e19. [PMID: 31574291 DOI: 10.1016/j.ajog.2019.09.037] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Revised: 09/08/2019] [Accepted: 09/16/2019] [Indexed: 11/18/2022]
Abstract
BACKGROUND The impact of maternal prepregnancy impaired fasting glucose on preterm birth and large for gestational age has been poorly understood. OBJECTIVES We aimed to estimate the impact of prepregnancy impaired fasting glucose defined by the World Health Organization cut point on the risk of preterm birth and large for gestational age and to investigate whether the World Health Organization cut point of impaired fasting glucose was appropriate for identifying women at risk of preterm birth and large for gestational age among the Chinese population. STUDY DESIGN This was a retrospective cohort study of women from the National Free Preconception Health Examination Project with singleton birth from 121 counties/districts in 21 cities of Guangdong Province, China, from Jan. 1, 2013, to Dec. 31, 2017. Women were included if their prepregnancy fasting glucose was less than 7.0 mmol/L. The primary outcomes were preterm birth (gestational age <37 weeks), early preterm birth (gestational age <34 weeks), large for gestational age (birthweight by gestational age >90th percentile based on the international standards in the International Fetal and Newborn Growth Consortium for the 21st Century study), and severe large for gestational age (birthweight by gestational age >97th percentile). We calculated the adjusted risk ratio for impaired fasting glucose and a 1 standard deviation increase in fasting glucose. RESULTS We included 640,469 women. Of these, 31,006 (4.84%) met the World Health Organization cut point for impaired fasting glucose, 32,640 (5.10%) had preterm birth and 7201 (1.12%) had early preterm birth, 45,532 (7.11%) had large for gestational age birth, and 16,231 (2.53%) had severe large for gestational age birth. Compared with women with normoglycaemia, women with prepregnancy impaired fasting glucose had a 7.0% higher risk of preterm birth (adjusted risk ratio, 1.07, 95% confidence interval, 1.02-1.12), 10.0% had a higher risk of large for gestational age (adjusted risk ratio, 1.10, 95% confidence interval, 1.06-1.14), and 17.0% had a higher risk of severe large for gestational age (adjusted risk ratio, 1.17, 95% confidence interval, 1.10-1.26). No significant association of prepregnancy impaired fasting glucose with early preterm birth was found. The association of prepregnancy impaired fasting glucose with preterm birth and large for gestational age were similar in subgroups of women with various baseline characteristics. Adjusted risk ratio for preterm birth per standard deviation fasting glucose (0.7 mmol/L) was 0.99 (95% confidence interval, 0.98-1.00), for early preterm birth an adjusted risk ratio of 0.99 (confidence interval, 0.97-1.02), for large for gestational age an adjusted risk ratio of 1.04 (confidence interval, 1.03-1.05), and for severe large for gestational age an adjusted risk ratio of 1.03 (confidence interval, 1.01-1.04). CONCLUSION Our data suggest that maternal prepregnancy impaired fasting glucose increases the risk of preterm birth, large for gestational age, and severe large for gestational age. Data also suggest that the World Health Organization cut point of impaired fasting glucose is too restrictive, and lower levels of fasting glucose also increase the risk of large for gestational age and severe for severe gestational age in the Chinese population. Further investigation is warranted to determine whether and how counseling and interventions for women with prepregnancy impaired fasting glucose could reduce the risk of preterm birth and large for gestational age.
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Affiliation(s)
- Jie Tang
- Department of Preventive Medicine, School of Public Health, Guangzhou Medical University; First Affiliated Hospital of Guangzhou Medical University; Faculty of Education, Health, and Wellbeing, University of Wolverhampton, Wolverhampton, United Kingdom.
| | | | - Mingzhen Li
- Guangdong Institute of Family Planning Science and Technology; Family Planning Special Hospital of Guangdong
| | - Dongming Huang
- Guangdong Institute of Family Planning Science and Technology; Family Planning Special Hospital of Guangdong
| | - Qingguo Zhao
- Guangdong Institute of Family Planning Science and Technology; Family Planning Special Hospital of Guangdong; National Health Committee of China (NHCC), Key Laboratory of Male Reproduction and Genetics.
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1579
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Bertens LCM, Burgos Ochoa L, Van Ourti T, Steegers EAP, Been JV. Persisting inequalities in birth outcomes related to neighbourhood deprivation. J Epidemiol Community Health 2020; 74:232-239. [PMID: 31685540 PMCID: PMC7035720 DOI: 10.1136/jech-2019-213162] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 10/14/2019] [Accepted: 10/19/2019] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Health inequalities can be observed in early life as unfavourable birth outcomes. Evidence indicates that neighbourhood socioeconomic circumstances influence health. However, studies looking into temporal trends in inequalities in birth outcomes including neighbourhood socioeconomic conditions are scarce. The aim of this work was to study how inequalities in three different key birth outcomes have changed over time across different strata of neighbourhood deprivation. METHODS Nationwide time trends ecological study with area-level deprivation in quintiles as exposure. The study population consisted of registered singleton births in the Netherlands 2003-2017 between 24 and 41 weeks of gestation. Outcomes used were perinatal mortality, premature birth and small for gestational age (SGA). Absolute rates for all birth outcomes were calculated per deprivation quintile. Time trends in birth outcomes were examined using logistic regression models. To investigate relative inequalities, rate ratios for all outcomes were calculated per deprivation quintile. RESULTS The prevalence of all unfavourable birth outcomes decreased over time: from 7.2 to 4.1 per 1000 births for perinatal mortality, from 61.8 to 55.6 for premature birth, and from 121.9 to 109.2 for SGA. Inequalities in all birth outcomes have decreased in absolute terms, and the decline was largest in the most deprived quintile. Time trend analyses confirmed the overall decreasing time trends for all outcomes, which were significantly steeper for the most deprived quintile. In relative terms however, inequalities remained fairly constant. CONCLUSION In absolute terms, inequalities in birth outcomes by neighbourhood deprivation in the Netherlands decreased between 2003 and 2017. However, relative inequalities remained persistent.
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Affiliation(s)
- Loes C M Bertens
- Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Lizbeth Burgos Ochoa
- Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Tom Van Ourti
- Erasmus School of Economics, University of Rotterdam, Rotterdam, The Netherlands
- Tinbergen Institute, Amsterdam, The Netherlands
| | - Eric A P Steegers
- Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Jasper V Been
- Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
- Division of Neonatology, Department of Paediatrics, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
- Department of Public Health, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
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1580
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Grétarsdóttir ÁS, Aspelund T, Steingrímsdóttir Þ, Bjarnadóttir RI, Einarsdóttir K. Preterm births in Iceland 1997-2016: Preterm birth rates by gestational age groups and type of preterm birth. Birth 2020; 47:105-114. [PMID: 31746027 DOI: 10.1111/birt.12467] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 10/28/2019] [Accepted: 10/28/2019] [Indexed: 01/08/2023]
Abstract
BACKGROUND The frequency of preterm births has been increasing globally, mainly due to a rise in iatrogenic late preterm births. The aim of this study was to assess the prevalence of preterm births in Iceland during 1997-2016 by type of preterm birth. METHODS This study included all live births in Iceland during 1997-2016 identified from the Icelandic Medical Birth Registry. Risk of preterm birth by time period was assessed with Poisson regression models adjusted for demographic variables and indications for iatrogenic births. RESULTS The study population included 87 076 infants, of which 4986 (5.7%) were preterm. The preterm birth rate increased from 5.3% to 6.1% (adjusted rate ratio [ARR] = 1.16, confidence interval [CI] = 1.07-1.26) between 1997-2001 and 2012-2016 overall. The increase was only evident in multiples (ARR 1.41, 95% CI 1.21-1.65), not singletons (1.07, 0.97-1.19). The rate of late preterm births (34-36 weeks) increased significantly (1.24, 1.14-1.40), and the rate of iatrogenic preterm births more than doubled during this period even after adjustment for identified medical indications (2.40, 2.00-2.88). The rate of spontaneous preterm births decreased during the study period (0.63, 0.55-0.73), and the rate of PPROM increased (1.31, 1.09-1.57). The most common contributing indications for iatrogenic births were fetal distress (26.2%), hypertensive disorders (18.2%), and severe preeclampsia (16.9%). CONCLUSIONS Preterm birth rates increased in multiples in Iceland between 1997 and 2016, and late and iatrogenic preterm births increased overall. The increase in iatrogenic preterm births remained significant after adjusting for medical indications, suggesting that other factors might be affecting the rise.
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Affiliation(s)
| | - Thor Aspelund
- Centre of Public Health Sciences, Faculty of Medicine, University of Iceland, Reykjavik, Iceland
| | - Þóra Steingrímsdóttir
- Faculty of Medicine, University of Iceland, Reykjavík, Iceland.,Department of Obstetrics and Gynaecology, Landspítali University Hospital, Reykjavík, Iceland
| | | | - Kristjana Einarsdóttir
- Centre of Public Health Sciences, Faculty of Medicine, University of Iceland, Reykjavik, Iceland
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1581
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Medvedev MM, Brotherton H, Gai A, Tann C, Gale C, Waiswa P, Elbourne D, Lawn JE, Allen E. Development and validation of a simplified score to predict neonatal mortality risk among neonates weighing 2000 g or less (NMR-2000): an analysis using data from the UK and The Gambia. THE LANCET CHILD & ADOLESCENT HEALTH 2020; 4:299-311. [PMID: 32119841 PMCID: PMC7083247 DOI: 10.1016/s2352-4642(20)30021-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 01/07/2020] [Accepted: 01/09/2020] [Indexed: 12/22/2022]
Abstract
Background 78% of neonatal deaths occur in sub-Saharan Africa and southern Asia, among which, more than 80% are in low birthweight babies. Existing neonatal mortality risk scores have primarily been developed for high-resource settings. The aim of this study was to develop and validate a score that is practicable for low-income and middle-income countries to predict in-hospital mortality among neonates born weighing 2000 g or less using datasets from the UK and The Gambia. Methods This analysis used retrospective data held in the UK National Neonatal Research Database from 187 neonatal units, and data from the Edward Francis Small Teaching Hospital (EFSTH), Banjul, The Gambia. In the UK dataset, neonates were excluded if birthweight was more than 2000 g; if the neonate was admitted aged more than 6 h or following discharge; if the neonate was stillborn; if the neonate died in delivery room; or if they were moribund on admission. The Gambian dataset included all neonates weighing less than 2000 g who were admitted between May 1, 2018, and Sept 30, 2019, who were screened for but not enrolled in the Early Kangaroo Mother Care Trial. 18 studies were reviewed to generate a list of 84 potential parameters. We derived a model to score in-hospital neonatal mortality risk using data from 55 029 admissions to a random sample of neonatal units in England and Wales from Jan 1, 2010, to Dec 31, 2016. All candidate variables were included in a complete multivariable model, which was progressively simplified using reverse stepwise selection. We validated the new score (NMR-2000) on 40 329 admissions to the remaining units between the same dates and 14 818 admissions to all units from Jan 1, to Dec 31, 2017. We also validated the score on 550 neonates admitted to the EFSTH in The Gambia. Findings 18 candidate variables were selected for inclusion in the modelling process. The final model included three parameters: birthweight, admission oxygen saturation, and highest level of respiratory support within 24 h of birth. NMR-2000 had very good discrimination and goodness-of-fit across the UK samples, with a c-index of 0·8859–0·8930 and a Brier score of 0·0232–0·0271. Among Gambian neonates, the model had a c-index of 0·8170 and a Brier score of 0·1688. Predictive ability of the simplified integer score was similar to the model using regression coefficients, with c-indices of 0·8903 in the UK full validation sample and 0·8082 in the Gambian validation sample. Interpretation NMR-2000 is a validated mortality risk score for hospitalised neonates weighing 2000 g or less in settings where pulse oximetry is available. The score is accurate and simplified for bedside use. NMR-2000 requires further validation using a larger dataset from low-income and middle-income countries but has the potential to improve individual and population-level neonatal care resource allocation. Funding Bill & Melinda Gates Foundation; Eunice Kennedy Shriver National Institute of Child Health & Human Development; Wellcome Trust; and Joint Global Health Trials scheme of Department of Health and Social Care, Department for International Development, Medical Research Council, and Wellcome Trust.
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Affiliation(s)
- Melissa M Medvedev
- Department of Paediatrics, University of California San Francisco, San Francisco, CA, USA; Maternal, Adolescent, Reproductive, and Child Health Centre, London School of Hygiene and Tropical Medicine, London, UK; Department of Medical Statistics, London School of Hygiene and Tropical Medicine, London, UK.
| | - Helen Brotherton
- Maternal, Adolescent, Reproductive, and Child Health Centre, London School of Hygiene and Tropical Medicine, London, UK; UK Medical Research Council Unit The Gambia at London School of Hygiene and Tropical Medicine, Fajara, The Gambia
| | - Abdou Gai
- UK Medical Research Council Unit The Gambia at London School of Hygiene and Tropical Medicine, Fajara, The Gambia
| | - Cally Tann
- Maternal, Adolescent, Reproductive, and Child Health Centre, London School of Hygiene and Tropical Medicine, London, UK; Department of Neonatal Medicine, University College London, London, UK; Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine, Uganda Research Unit, Entebbe, Uganda
| | - Christopher Gale
- Neonatal Medicine, School of Public Health, Faculty of Medicine, Chelsea and Westminster Hospital Campus, Imperial College London, London, UK
| | - Peter Waiswa
- Centre of Excellence for Maternal, Newborn, and Child Health, School of Public Health, Makerere University, Kampala, Uganda; Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
| | - Diana Elbourne
- Department of Medical Statistics, London School of Hygiene and Tropical Medicine, London, UK
| | - Joy E Lawn
- Maternal, Adolescent, Reproductive, and Child Health Centre, London School of Hygiene and Tropical Medicine, London, UK
| | - Elizabeth Allen
- Department of Medical Statistics, London School of Hygiene and Tropical Medicine, London, UK
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1582
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Maternal nutritional status mediates the linkage between household food insecurity and mid-infancy size in rural Bangladesh. Br J Nutr 2020; 123:1415-1425. [PMID: 32102702 DOI: 10.1017/s0007114520000707] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Household food insecurity (HFI) is a major concern in South Asia. The pathways by which HFI may reduce child growth remain inadequately understood. In a cohort study of 12 693 maternal-infant dyads in rural Bangladesh, we examined association and likely explanatory pathways linking HFI, assessed using a validated nine-item perception-based index, to infant size at 6 months. Mothers were assessed early in pregnancy for anthropometric status, dietary diversity and socio-economic status. Infants were assessed for weight, length, and arm, chest and head circumferences and breast and complementary feeding status at birth and 6 months of age. Extent of HFI shared a negative, dose-response association with all measures of infant size at 6 months and odds of wasting and stunting; 57-89 % of variances in the unadjusted models were explained by prenatal factors (maternal nutritional status and dietary diversity), and birth size adjusted for gestational age. Postnatal infant breast and complementary feeding and morbidity exposures explained the remaining fraction of the significant association between HFI and differences in infant arm and chest circumferences and odds of underweight. Contextual (i.e. socio-economic) factors finally brought remaining non-significant fractions of the food insecurity-related mid-infancy growth deficit to practically zero. Improving food security prior to pregnancy and during gestation would likely improve infant growth the most in rural Bangladesh.
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1583
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Management of Respiratory Distress Syndrome in Preterm Infants In Wales: A Full Audit Cycle of a Quality Improvement Project. Sci Rep 2020; 10:3536. [PMID: 32103050 PMCID: PMC7044423 DOI: 10.1038/s41598-020-60091-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 02/07/2020] [Indexed: 11/12/2022] Open
Abstract
Respiratory Distress Syndrome (RDS) is the commonest diagnosis after premature birth. We aimed to audit clinical practices before and after introduction of a national guideline in Wales on RDS management. Anonymised, prospective data on all infants born at <34 weeks of gestation and cared for at one of the participating neonatal units in Wales were collected in two six-month time periods in 2015 and 2018. A national guideline was introduced in 2016 by the Wales Neonatal Network. Data collection included areas of antenatal management, delivery room stabilisation, invasive and non-invasive respiratory support, surfactant treatment and elements of supportive care. Univariate and multivariate methods were used to compare data between the two epochs. Comparing care before and after introduction of the national guideline, areas of significant improvement include use of targeted tidal volume ventilation, use of caffeine therapy, oxygen therapy post-surfactant and increasing early use of parenteral nutrition. Areas of poorer management included levels of positive end expiratory pressures and timing of introduction of enteral feeds. Little variation was seen between level two and three units, although gestational age was a significant independent variable for several practices, including delayed cord clamping, stabilisation with intubation, early enteral feeding and caffeine administration. A national guideline for management of RDS in Wales has significantly improved practice in several areas. However, despite a large volume of high-quality evidence and robust guidance, there remains a significant variation in some elements of best practice for RDS management. Further work should focus on education and training, especially for elements requiring cross-departmental work.
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1584
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Rumrich IK, Vähäkangas K, Viluksela M, Hänninen O. Chained Risk Assessment for Life-Long Disease Burden of Early Exposures - Demonstration of Concept Using Prenatal Maternal Smoking. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17051472. [PMID: 32106496 PMCID: PMC7084403 DOI: 10.3390/ijerph17051472] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/21/2020] [Accepted: 02/22/2020] [Indexed: 01/21/2023]
Abstract
Traditional risk factors and environmental exposures only explain less than half of the disease burden. The developmental origin of the health and disease (DOHaD) concept proposes that prenatal and early postnatal exposures increase disease susceptibility throughout life. The aim of this work is to demonstrate the application of the DOHaD concept in a chained risk assessment and to provide an estimate of later in life burden of disease related to maternal smoking. We conducted three systematic literature searches for meta-analysis and reviewed the literature reporting meta-analyses of long-term health outcomes associated with maternal smoking and intermediate risk factors (preterm birth, low birth weight, childhood overweight). In the chained model the three selected risk factors explained an additional 2% (34,000 DALY) of the total non-communicable disease burden (1.4 million DALY) in 2017. Being overweight in childhood was the most important risk factor (28,000 DALY). Maternal smoking was directly associated with 170 DALY and indirectly via the three intermediate risk factors 1000 DALY (1200 DALY in total). The results confirm the potential to explain a previously unattributed part of the non-communicable diseases by the DOHAD concept. It is likely that relevant outcomes are missing, resulting in an underestimation of disease burden.
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Affiliation(s)
- Isabell K. Rumrich
- Department of Public Health Solutions, Finnish Institute for Health and Welfare (THL), P.O. Box 95, 70701 Kuopio, Finland;
- Faculty of Science and Forestry, Department of Environmental and Biological Sciences, University of Eastern Finland (UEF), P.O. Box 1627, 70211 Kuopio, Finland
- Correspondence: ; Tel.: +358-29-524-7030
| | - Kirsi Vähäkangas
- Faculty of Health Sciences, School of Pharmacy/Toxicology, University of Eastern Finland (UEF), P.O. Box 1627, 70211 Kuopio, Finland; (K.V.); (M.V.)
| | - Matti Viluksela
- Faculty of Health Sciences, School of Pharmacy/Toxicology, University of Eastern Finland (UEF), P.O. Box 1627, 70211 Kuopio, Finland; (K.V.); (M.V.)
- Department of Health Security, Finnish Institute for Health and Welfare (THL), P.O. Box 95, 70701 Kuopio, Finland
| | - Otto Hänninen
- Department of Public Health Solutions, Finnish Institute for Health and Welfare (THL), P.O. Box 95, 70701 Kuopio, Finland;
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1585
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Visser L, Slaager C, Kazemier BM, Rietveld AL, Oudijk MA, de Groot C, Mol BW, de Boer MA. Risk of preterm birth after prior term cesarean. BJOG 2020; 127:610-617. [PMID: 31883402 PMCID: PMC7317970 DOI: 10.1111/1471-0528.16083] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/20/2019] [Indexed: 11/30/2022]
Abstract
Objective To determine the risk of overall preterm birth (PTB) and spontaneous PTB in a pregnancy after a caesarean section (CS) at term. Design Longitudinal linked national cohort study. Setting The Dutch Perinatal Registry (1999–2009). Population 268 495 women with two subsequent singleton pregnancies were identified. Methods A cohort study based on linked registered data from two subsequent pregnancies in the Netherlands. Main outcome measures The incidence of overall PTB and spontaneous PTB with subgroup analysis on gestational age at first delivery and type of CS (planned or unplanned). Results Of 268 495 women with a singleton first pregnancy who delivered at term, 15.76% (n = 42 328) had a CS. The incidence of PTB in the second pregnancy was 2.79% (n = 1182) in women with a previous CS versus 2.46% (n = 5570) in women with a previous vaginal delivery (adjusted odds ratio [aOR] 1.14, 95% confidence interval [CI] 1.07–1.21). This increased risk is mainly driven by an increased risk of spontaneous PTB after previous CS at term (aOR 1.50, 95% CI 1.38–1.70). Analysis for type of CS compared with vaginal delivery showed an aOR on spontaneous PTB of 1.86 (95% CI 1.58–2.18) for planned CS and an aOR of 1.40 (95% CI 1.24–1.58) for unplanned CS. Conclusions CS at term is associated with a marginally increased risk of spontaneous PTB in a subsequent pregnancy. Tweetable abstract Caesarean section at term is associated with a marginally increased risk of spontaneous PTB in a subsequent pregnancy. Caesarean section at term is associated with a marginally increased risk of spontaneous PTB in a subsequent pregnancy.
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Affiliation(s)
- L Visser
- Department of Obstetrics and Gynaecology Located at the Boelelaan, Amsterdam University Medical Centre, Amsterdam, the Netherlands
| | - C Slaager
- Department of Obstetrics and Gynaecology, Franciscus Gasthuis en Vlietland, Rotterdam, the Netherlands
| | - B M Kazemier
- Department of Obstetrics and Gynaecology Located at the Meibergdreef, Amsterdam University Medical Centre, Amsterdam, the Netherlands
| | - A L Rietveld
- Department of Obstetrics and Gynaecology Located at the Boelelaan, Amsterdam University Medical Centre, Amsterdam, the Netherlands
| | - M A Oudijk
- Department of Obstetrics and Gynaecology Located at the Meibergdreef, Amsterdam University Medical Centre, Amsterdam, the Netherlands
| | - Cjm de Groot
- Department of Obstetrics and Gynaecology Located at the Boelelaan, Amsterdam University Medical Centre, Amsterdam, the Netherlands
| | - B W Mol
- Department of Obstetrics and Gynaecology, Monash University, Melbourne, Vic., Australia
| | - M A de Boer
- Department of Obstetrics and Gynaecology Located at the Boelelaan, Amsterdam University Medical Centre, Amsterdam, the Netherlands
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1586
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Factors Associated with Preterm Birth and Low Birth Weight in Abu Dhabi, the United Arab Emirates. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17041382. [PMID: 32098043 PMCID: PMC7068537 DOI: 10.3390/ijerph17041382] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 02/19/2020] [Accepted: 02/19/2020] [Indexed: 11/21/2022]
Abstract
Both preterm birth and low birth weight (LBW) represent major public health problems worldwide due to their association with the catastrophic effects of morbidity and mortality. Few data exist about such adverse pregnancy outcomes. The current study aimed to investigate the prevalence of and factors associated with preterm birth and LBW among mothers of children under two years in Abu Dhabi, United Arab Emirates. Data were collected in clinical and non-clinical settings across various geographical areas in Abu Dhabi. The data were analyzed using both descriptive and inferential statistics. A total of 1610 mother–child pairs were included in the current study. Preterm birth rate was 102 (6.3%) with a 95% confidence interval [CI] (6.1%, 6.5%) and the LBW rate was 151 (9.4%) with a 95% CI (9.3%, 9.5%). The mean (SD) of gestational age (GA) and birth weight at delivery was 39.1 (1.9) weeks and 3080.3 (518.6) grams, respectively. Factors that were positively associated with preterm birth were Arab mothers, maternal education level below secondary, caesarean section, and LBW. LBW was associated with female children, caesarean section (CS), first child order, and preterm birth. The current study highlighted the need for further interventional research to tackle these public health issues such as reducing the high CS rate and improving maternal education.
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1587
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Understanding how maternal social and biological factors are related to fetal growth in an urban South African cohort. J Dev Orig Health Dis 2020; 12:79-87. [PMID: 32063257 DOI: 10.1017/s2040174420000045] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The aim of this study was to identify social and biological drivers of fetal growth by examining associations with household, preconception, and pregnancy factors in a cohort from Soweto, South Africa. Complete data and ultrasound scans were collected on 519 women between 2013 and 2016 at 6 time points during pregnancy (<14, 14-18, 19-23, 24-28, 29-33 weeks, and 34-38 weeks). Household-level factors, preconception health, baseline body mass index (BMI), and demographic data were collected at the first visit. During pregnancy, gestational weight gain (GWG; kg/week) was calculated. At 24-28 weeks of gestation, oral glucose tolerance test was used to determine gestational diabetes mellitus (GDM) status, and hypertension status was characterised. Longitudinal growth in head circumference, abdominal circumference, biparietal diameter, and femur length were modelled using the Superimposition by Translation and Rotation, a shape-invariant model which produces growth curves against gestational age. A priori identified exposure variables were then included in a series of sex-stratified hierarchical regression models for each fetal growth outcome. No household-level factors were associated with fetal growth. Maternal BMI at baseline was positively associated with all outcome parameters in males and females. Both GWG (in males and females) and GDM (in males) were significant positive predictors of abdominal growth. Males showed more responsiveness to abdominal growth, while females were more responsive to linear growth. Thus, fetal growth was largely predicted by maternal biological factors, and sexual dimorphism in the responsiveness of fetal biometry to biological exposures was evident.
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1588
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Zhong N. Achieving Lower Preterm Birth Rates in China via Reductions in Iatrogenic Preterm Births. Am J Public Health 2020; 109:1489-1490. [PMID: 31577479 DOI: 10.2105/ajph.2019.305352] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Nanbert Zhong
- The author is with the Sino-American Translational Research Center for Developmental Disabilities, Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China; and the New York State Institute for Basic Research in Developmental Disabilities, Staten Island, NY
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1589
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Liu X, Xiao J, Sun X, Chen Q, Yao Z, Feng B, Cao G, Guo L, He G, Hu J, Zeng W, Rong Z, Wang Q, Zhang B, Dong M, Wang J, Chen D, Ma W, Liu T. Associations of maternal ambient temperature exposures during pregnancy with the risk of preterm birth and the effect modification of birth order during the new baby boom: A birth cohort study in Guangzhou, China. Int J Hyg Environ Health 2020; 225:113481. [PMID: 32058935 DOI: 10.1016/j.ijheh.2020.113481] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 01/28/2020] [Accepted: 02/03/2020] [Indexed: 10/25/2022]
Abstract
Maternal exposures to ambient temperatures during pregnancy may increase the preterm birth (PTB) risk; however, which periods have stronger effects remain controversial. The effects of temperature exposure on PTB in first- and second-born neonate groups may be different during the new baby boom that has followed the Two-child Policy in China. We examined a birth cohort of 4928 pregnant women beginning in 2016 in Guangzhou, China. An inverse distance weighted method was used to estimate the temperature exposure at each individual residential address. A distribution lag non-linear model incorporating a Cox proportional hazard model was employed to estimate the effects of temperature exposure on PTB and test the effects modification of birth order related to the new baby boom. A total of 4101 pregnant women were included, of which 234 (5.7%) experienced PTB. Compared with the mean temperature (23.0 °C), we found a significantly higher risks of PTB associated with high temperatures (i.e, 30 °C [95th centile]) from the 4th to 8th, and 22nd to 27th gestational weeks. A peak effect was found during the 6th week (HR = 1.79, 95% CI: 1.26, 2.54) and 24th week (HR = 1.83, 95% CI: 1.27, 2.62). The risks of PTB were reduced for low temperatures (i.e. 14 °C [5th centile] versus 23.0 °C) from the 2nd to 10th and 20th to 26th gestational weeks, and the negative peak effect was found during the 4th week (HR = 0.43, 95% CI: 0.26, 0.72) and 23rd week (HR = 0.59, 95% CI: 0.43, 0.83). Stratification analyses showed that significant effects of 30 °C versus 23 °C on PTB were observed during the 4th to 8th weeks in the second-born neonate, and the peak effect was found in the 6th week (HR = 2.13, 95% CI: 1.31, 3.47). However, we did not find significant effects of 30 °C during the same weeks in the first-born neonate group. Maternal exposures to higher temperatures during pregnancy may increase the risk of PTB, and lower temperatures may decrease the risk of PTB. Stronger effects of temperature exposures during the first trimester on PTB risk were found among the second-born neonates than among the first-born neonates.
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Affiliation(s)
- Xin Liu
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou, 510080, China; Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Jianpeng Xiao
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Xiaoli Sun
- Gynecology Department, Guangdong Women and Children Hospital, Guangzhou, 511442, China
| | - Qingsong Chen
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou, 510080, China
| | - Zhenjiang Yao
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou, 510080, China
| | - Baixiang Feng
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Ganxiang Cao
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Lingchuan Guo
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Guanhao He
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Jianxiong Hu
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Weilin Zeng
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Zuhua Rong
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Qiong Wang
- School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Bo Zhang
- Food Safety and Health Research Center, School of Public Health, Southern Medical University, Guangzhou, 510515, China; Department of Environmental and Occupational Health, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Moran Dong
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Jiaqi Wang
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Dengzhou Chen
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Wenjun Ma
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Tao Liu
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou, 510080, China; Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China.
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1590
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Chirwa E, Kapito E, Jere DL, Kafulafula U, Chodzaza E, Chorwe-Sungani G, Gresh A, Liu L, Abrams ET, Klima CS, McCreary LL, Norr KF, Patil CL. An effectiveness-implementation hybrid type 1 trial assessing the impact of group versus individual antenatal care on maternal and infant outcomes in Malawi. BMC Public Health 2020; 20:205. [PMID: 32039721 PMCID: PMC7008527 DOI: 10.1186/s12889-020-8276-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 01/27/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Sub-Saharan Africa has the world's highest rates of maternal and perinatal mortality and accounts for two-thirds of new HIV infections and 25% of preterm births. Antenatal care, as the entry point into the health system for many women, offers an opportunity to provide life-saving monitoring, health promotion, and health system linkages. Change is urgently needed, because potential benefits of antenatal care are not realized when pregnant women experience long wait times and short visits with inconsistent provisioning of essential services and minimal health promotion, especially for HIV prevention. This study answers WHO's call for the rigorous study of group antenatal care as a transformative model that provides a positive pregnancy experience and improves outcomes. METHODS Using a hybrid type 1 effectiveness-implementation design, we test the effectiveness of group antenatal care by comparing it to individual care across 6 clinics in Blantyre District, Malawi. Our first aim is to evaluate the effectiveness of group antenatal care through 6 months postpartum. We hypothesize that women in group care and their infants will have less morbidity and mortality and more positive HIV prevention outcomes. We will test hypotheses using multi-level hierarchical models using data from repeated surveys (four time points) and health records. Guided by the consolidated framework for implementation research, our second aim is to identify contextual factors related to clinic-level degree of implementation success. Analyses use within and across-case matrices. DISCUSSION This high-impact study addresses three global health priorities, including maternal and infant mortality, HIV prevention, and improved quality of antenatal care. Results will provide rigorous evidence documenting the effectiveness and scalability of group antenatal care. If results are negative, governments will avoid spending on less effective care. If our study shows positive health impacts in Malawi, the results will provide strong evidence and valuable lessons learned for widespread scale-up in other low-resource settings. Positive maternal, neonatal, and HIV-related outcomes will save lives, impact the quality of antenatal care, and influence health policy as governments make decisions about whether to adopt this innovative healthcare model. TRIAL REGISTRATION ClinicalTrials.gov registration number NCT03673709. Registered on September 17, 2018.
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Affiliation(s)
- Ellen Chirwa
- University of Malawi, Kamuzu College of Nursing, PO Box 415, Blantyre, Malawi
| | - Esnath Kapito
- University of Malawi, Kamuzu College of Nursing, PO Box 415, Blantyre, Malawi
| | - Diana L Jere
- University of Malawi, Kamuzu College of Nursing, PO Box 415, Blantyre, Malawi
| | - Ursula Kafulafula
- University of Malawi, Kamuzu College of Nursing, PO Box 415, Blantyre, Malawi
| | - Elizabeth Chodzaza
- University of Malawi, Kamuzu College of Nursing, PO Box 415, Blantyre, Malawi
| | | | - Ashley Gresh
- Johns Hopkins University, School of Nursing, 525 North Wolfe Street, Baltimore, MD, 21205, USA
| | - Li Liu
- University of Illinois at Chicago, School of Public Health, 1603 W. Taylor Street (M/C 932), Chicago, IL, 60612, USA
| | - Elizabeth T Abrams
- University of Illinois at Chicago, College of Nursing, 845 S. Damen Avenue (M/C 806), Chicago, IL, 60612, USA
| | - Carrie S Klima
- University of Illinois at Chicago, College of Nursing, 845 S. Damen Avenue (M/C 806), Chicago, IL, 60612, USA
| | - Linda L McCreary
- University of Illinois at Chicago, College of Nursing, 845 S. Damen Avenue (M/C 806), Chicago, IL, 60612, USA
| | - Kathleen F Norr
- University of Illinois at Chicago, College of Nursing, 845 S. Damen Avenue (M/C 806), Chicago, IL, 60612, USA
| | - Crystal L Patil
- University of Illinois at Chicago, College of Nursing, 845 S. Damen Avenue (M/C 806), Chicago, IL, 60612, USA.
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1591
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Altered Cortical Gyrification in Adults Who Were Born Very Preterm and Its Associations With Cognition and Mental Health. BIOLOGICAL PSYCHIATRY: COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2020; 5:640-650. [PMID: 32198001 DOI: 10.1016/j.bpsc.2020.01.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 01/26/2020] [Accepted: 01/27/2020] [Indexed: 01/16/2023]
Abstract
BACKGROUND The last trimester of pregnancy is a critical period for the establishment of cortical gyrification, and altered folding patterns have been reported following very preterm birth (< 33 weeks of gestation) in childhood and adolescence. However, research is scant on the persistence of such alterations in adulthood and their associations with cognitive and psychiatric outcomes. METHODS We studied 79 very preterm and 81 age-matched full-term control adults. T1-weighted magnetic resonance images were used to measure a local gyrification index (LGI), indicating the degree of folding across multiple vertices of the reconstructed cortical surface. Group and group-by-sex LGI differences were assessed by means of per-vertex adjustment for cortical thickness and overall intracranial volume. Within-group correlations were also computed between LGI and functional outcomes, including general intelligence (IQ) and psychopathology. RESULTS Very preterm adults had significantly reduced LGI in extensive cortical regions encompassing the frontal, anterior temporal, and occipitoparietal lobes. Alterations in lateral fronto-temporal-parietal and medial occipitoparietal regions were present in both men and women, although men showed more extensive alterations. In both very preterm and control adults, higher LGI was associated with higher IQ and lower psychopathology scores, with the spatial distribution of these associations substantially differing between the two groups. CONCLUSIONS Very preterm adults' brains are characterized by significant and widespread local hypogyria, and these alterations might be implicated in cognitive and psychiatric outcomes. Gyrification reflects an early developmental process and provides a fingerprint for very preterm birth.
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1592
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Ahlqvist VH, Persson M, Ortega FB, Tynelius P, Magnusson C, Berglind D. Birth Weight and Cardiorespiratory Fitness Among Young Men Born at Term: The Role of Genetic and Environmental Factors. J Am Heart Assoc 2020; 9:e014290. [PMID: 32000561 PMCID: PMC7033863 DOI: 10.1161/jaha.119.014290] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 12/16/2019] [Indexed: 01/20/2023]
Abstract
Background Preterm delivery and low birth weight are prospectively associated with low cardiorespiratory fitness (CRF). However, whether birth weight, within the at-term range, is associated with later CRF is largely unknown. Thus, the aim of the current study was to examine this issue and whether such association, if any, is explained by shared and/or nonshared familial factors. Methods and Results We conducted a prospective cohort study, including 286 761 young male adults and a subset of 52 544 siblings born at-term. Objectively measured data were retrieved from total population registers. CRF was tested at conscription and defined as the maximal load obtained on a cycle ergometer. We used linear and nonlinear and fixed-effects regression analyses to explore associations between birth weight and CRF. Higher birth weight, within the at-term range, was strongly associated with increasing CRF in a linear fashion. Each SD increase in birth weight was associated with an increase of 7.9 (95% CI, 7.8-8.1) and 6.6 (95% CI; 5.9-7.3) Wmax in the total and sibling cohorts, respectively. The association did not vary with young adulthood body mass index. Conclusions Birth weight is strongly associated with increasing CRF in young adulthood among men born at-term, across all categories of body mass index. This association appears to be mainly driven by factors that are not shared between siblings. Hence, CRF may to some extent be determined already in utero. Prevention of low birth weight, also within the at-term-range, can be a feasible mean of increasing adult CRF and health.
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Affiliation(s)
| | | | - Francisco B. Ortega
- PROFITH “PROmoting FITness and Health through physical activity” research groupDepartment of Physical Education and SportsFaculty of Sport SciencesUniversity of GranadaSpain
- Department of Biosciences and NutritionKarolinska InstitutetStockholmSweden
| | - Per Tynelius
- Department of Global Public HealthKarolinska InstitutetStockholmSweden
- Centre for Epidemiology and Community MedicineRegion StockholmStockholmSweden
| | - Cecilia Magnusson
- Department of Global Public HealthKarolinska InstitutetStockholmSweden
- Centre for Epidemiology and Community MedicineRegion StockholmStockholmSweden
| | - Daniel Berglind
- Department of Global Public HealthKarolinska InstitutetStockholmSweden
- Centre for Epidemiology and Community MedicineRegion StockholmStockholmSweden
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1593
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Kim YH, Kim KW, Eun HS, Shin JE, Sol IS, Kim SY, Kim YS, Sohn MH, Namgung R. Small for gestational age birth may increase airflow limitation in bronchopulmonary dysplasia. Pediatr Pulmonol 2020; 55:346-353. [PMID: 31794162 DOI: 10.1002/ppul.24580] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 11/10/2019] [Indexed: 11/06/2022]
Abstract
OBJECTIVES To determine significant indices for assessing the pulmonary function of infants according to bronchopulmonary dysplasia (BPD) severity and to evaluate whether small for gestational age (SGA) could affect pulmonary function in BPD. METHODS We evaluated 117 preterm infants who had undergone tidal breathing flow-volume loop and multiple-breath washout analyses within 7 months after birth. We categorized preterm infants according to BPD severity into mild/moderate BPD (n = 86), severe BPD (n = 21), and without BPD (n = 10) and the presence of SGA or appropriate gestational age (AGA) using the Fenton growth chart. We evaluated nine healthy term infants as controls. RESULTS The tidal breathing ratio (time to peak expiratory flow/expiratory time [tPEF /tE ]) was significantly lower in infants with severe BPD than in those with mild/moderate BPD. Lung clearance index (LCI) was not different based on BPD severity. In the correlation analysis after adjusting for gestational age and sex, tPEF /tE was correlated with the duration of mechanical ventilation (r = -0.347, P < .001) and the duration of oxygen supply (r = -0.248, P = .013) in infants with BPD. The proportion of "lower tPEF /tE ," defined as below the cut-off value, was greater in SGA infants (P = .017), while no significant difference was seen in the percentage of "higher LCI," defined as above the cut-off value between SGA and AGA infants. CONCLUSIONS In infants with BPD, tPEF /tE could be a useful pulmonary index which shows lower values in severe BPD. The finding of SGA in infants with BPD could be associated with poor pulmonary function related to the tPEF /tE values.
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Affiliation(s)
- Yoon Hee Kim
- Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.,Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea
| | - Kyung Won Kim
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea.,Institute of Allergy, Brain Korea 21 PLUS Project for Medical Science, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Ho Sun Eun
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea.,Division of Neonatology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Jung Eun Shin
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea.,Division of Neonatology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - In Suk Sol
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea.,Institute of Allergy, Brain Korea 21 PLUS Project for Medical Science, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Soo Yeon Kim
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea.,Institute of Allergy, Brain Korea 21 PLUS Project for Medical Science, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Young Suh Kim
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea.,Institute of Allergy, Brain Korea 21 PLUS Project for Medical Science, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Myung Hyun Sohn
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea.,Institute of Allergy, Brain Korea 21 PLUS Project for Medical Science, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Ran Namgung
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea.,Division of Neonatology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
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1594
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Gelaye B, Sanchez SE, Andrade A, Gómez O, Coker AL, Dole N, Rondon MB, Williams MA. Association of antepartum depression, generalized anxiety, and posttraumatic stress disorder with infant birth weight and gestational age at delivery. J Affect Disord 2020; 262:310-316. [PMID: 31733923 PMCID: PMC7048002 DOI: 10.1016/j.jad.2019.11.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 10/06/2019] [Accepted: 11/02/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND Low- and middle-income countries bear a disproportionate burden of preterm birth (PTB) and low infant birth weight (LBW) complications where affective and anxiety disorders are more common in the antepartum period than in industrialized countries. OBJECTIVE To evaluate the extent to which early pregnancy antepartum depression, generalized anxiety disorder, and posttraumatic stress disorder (PTSD) are associated with infant birth weight and gestational age at delivery among a cohort of pregnant women in Peru. METHODS Our prospective cohort study consisted of 4408 pregnant women. Antepartum depression, generalized anxiety, and PTSD were assessed in early pregnancy using the Patient Health Questionnaire-9, Generalized Anxiety Disorder Scale-7 and PTSD Checklist - Civilian Version, respectively. Pregnancy outcome data were obtained from medical records. Multivariable linear and logistic regression procedures were used to estimate adjusted measures of association (β coefficients and odds ratios) and 95% confidence intervals (CI). RESULTS After adjusting for confounders, women with antepartum generalized anxiety (32.6% prevalence) had higher odds of LBW (adjusted odds ratio (OR)=1.47; 95%CI: 1.10-1.95) and were more likely to deliver small for gestational age (OR = 1.39; 95%CI: 1.01-1.92) infants compared to those without anxiety. Compared to those without PTSD, women with PTSD (34.5%) had higher odds of delivering preterm (OR = 1.28; 95%CI: 1.00-1.65) yet PTSD was not associated with LBW nor gestational age at delivery. Women with antepartum depression (26.2%) were at no increased risk of delivering a preterm, low-birth-weight or small-for-gestational-age infant. LIMITATIONS Our ability to make casual inferences from this observational study is limited; however, these findings are consistent with prior studies. CONCLUSION Generalized anxiety disorder during pregnancy appeared to increase odds of delivering a low-birth-weight or small-for-gestational-age infant, while PTSD was associated with increased odds of delivering preterm. Our findings, and those of others, suggest antenatal care should be tailored to screen for and provide additional mental health services to patients.
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Affiliation(s)
- Bizu Gelaye
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA; The Chester M. Pierce, MD Division of Global Psychiatry, Massachusetts General Hospital; Boston, MA, USA.
| | - Sixto E. Sanchez
- Universidad San Martin de Porres, Lima, Peru,Asociación Civil Proyectos en Salud, Lima, Peru
| | - Ana Andrade
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Oswaldo Gómez
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Ann L. Coker
- Department of Obstetrics & Gynecology, University of Kentucky College of Medicine, Lexington, KY
| | - Nancy Dole
- Carolina Population Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, US (retired)
| | - Marta B. Rondon
- Universidad Peruana Cayetano Heredia and Instituto Nacional Materno Perinatal, Lima, Peru
| | - Michelle A. Williams
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
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1595
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Hübl N, Costa SPD, Kaufmann N, Oh J, Willmes K. Sucking patterns are not predictive of further feeding development in healthy preterm infants. Infant Behav Dev 2020; 58:101412. [DOI: 10.1016/j.infbeh.2019.101412] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Revised: 12/13/2019] [Accepted: 12/15/2019] [Indexed: 10/25/2022]
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1596
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Medvedev MM, Tumukunde V, Mambule I, Tann CJ, Waiswa P, Canter RR, Hansen CH, Ekirapa-Kiracho E, Katumba K, Pitt C, Greco G, Brotherton H, Elbourne D, Seeley J, Nyirenda M, Allen E, Lawn JE. Operationalising kangaroo Mother care before stabilisation amongst low birth Weight Neonates in Africa (OMWaNA): protocol for a randomised controlled trial to examine mortality impact in Uganda. Trials 2020; 21:126. [PMID: 32005286 PMCID: PMC6995072 DOI: 10.1186/s13063-019-4044-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 12/30/2019] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND There are 2.5 million neonatal deaths each year; the majority occur within 48 h of birth, before stabilisation. Evidence from 11 trials shows that kangaroo mother care (KMC) significantly reduces mortality in stabilised neonates; however, data on its effect among neonates before stabilisation are lacking. The OMWaNA trial aims to determine the effect of initiating KMC before stabilisation on mortality within seven days relative to standard care. Secondary objectives include exploring pathways for the intervention's effects and assessing incremental costs and cost-effectiveness between arms. METHODS We will conduct a four-centre, open-label, individually randomised, superiority trial in Uganda with two parallel groups: an intervention arm allocated to receive KMC and a control arm receiving standard care. We will enrol 2188 neonates (1094 per arm) for whom the indication for KMC is 'uncertain', defined as receiving ≥ 1 therapy (e.g. oxygen). Admitted singleton, twin and triplet neonates (triplet if demise before admission of ≥ 1 baby) weighing ≥ 700-≤ 2000 g and aged ≥ 1-< 48 h are eligible. Treatment allocation is random in a 1:1 ratio between groups, stratified by weight and recruitment site. The primary outcome is mortality within seven days. Secondary outcomes include mortality within 28 days, hypothermia prevalence at 24 h, time from randomisation to stabilisation or death, admission duration, time from randomisation to exclusive breastmilk feeding, readmission frequency, daily weight gain, infant-caregiver attachment and women's wellbeing at 28 days. Primary analyses will be by intention-to-treat. Quantitative and qualitative data will be integrated in a process evaluation. Cost data will be collected and used in economic modelling. DISCUSSION The OMWaNA trial aims to assess the effectiveness of KMC in reducing mortality among neonates before stabilisation, a vulnerable population for whom its benefits are uncertain. The trial will improve understanding of pathways underlying the intervention's effects and will be among the first to rigorously compare the incremental cost and cost-effectiveness of KMC relative to standard care. The findings are expected to have broad applicability to hospitals in sub-Saharan Africa and southern Asia, where three-quarters of global newborn deaths occur, as well as important policy and programme implications. TRIAL REGISTRATION ClinicalTrials.gov, NCT02811432. Registered on 23 June 2016.
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Affiliation(s)
- Melissa M Medvedev
- Maternal, Adolescent, Reproductive, & Child Health Centre, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK.
- Department of Paediatrics, University of California San Francisco, 550 16th Street, Box 1224, San Francisco, CA, 94158, USA.
- Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK.
| | - Victor Tumukunde
- Medical Research Council/Uganda Virus Research Institute and LSHTM Uganda Research Unit, PO Box 49, Entebbe, Uganda
| | - Ivan Mambule
- Medical Research Council/Uganda Virus Research Institute and LSHTM Uganda Research Unit, PO Box 49, Entebbe, Uganda
| | - Cally J Tann
- Maternal, Adolescent, Reproductive, & Child Health Centre, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
- Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
- Medical Research Council/Uganda Virus Research Institute and LSHTM Uganda Research Unit, PO Box 49, Entebbe, Uganda
- Department of Neonatal Medicine, University College London, 235 Euston Road, London, NW1 2BU, UK
| | - Peter Waiswa
- Centre of Excellence for Maternal, Newborn, and Child Health, School of Public Health, Makerere University, New Mulago Hill Road, Kampala, Uganda
- Department of Public Health Sciences, Karolinska Institutet, SE-171 77, Stockholm, Sweden
| | - Ruth R Canter
- Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Christian H Hansen
- Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
- Medical Research Council/Uganda Virus Research Institute and LSHTM Uganda Research Unit, PO Box 49, Entebbe, Uganda
| | - Elizabeth Ekirapa-Kiracho
- Centre of Excellence for Maternal, Newborn, and Child Health, School of Public Health, Makerere University, New Mulago Hill Road, Kampala, Uganda
| | - Kenneth Katumba
- Medical Research Council/Uganda Virus Research Institute and LSHTM Uganda Research Unit, PO Box 49, Entebbe, Uganda
| | - Catherine Pitt
- Faculty of Public Health and Policy, London School of Hygiene & Tropical Medicine, 15-17 Tavistock Place, London, WC1E 7HT, UK
| | - Giulia Greco
- Medical Research Council/Uganda Virus Research Institute and LSHTM Uganda Research Unit, PO Box 49, Entebbe, Uganda
- Centre of Excellence for Maternal, Newborn, and Child Health, School of Public Health, Makerere University, New Mulago Hill Road, Kampala, Uganda
- Faculty of Public Health and Policy, London School of Hygiene & Tropical Medicine, 15-17 Tavistock Place, London, WC1E 7HT, UK
| | - Helen Brotherton
- Maternal, Adolescent, Reproductive, & Child Health Centre, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
- Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
- Medical Research Council Unit The Gambia at LSHTM, PO Box 273, Fajara, The Gambia
| | - Diana Elbourne
- Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Janet Seeley
- Medical Research Council/Uganda Virus Research Institute and LSHTM Uganda Research Unit, PO Box 49, Entebbe, Uganda
- Faculty of Public Health and Policy, London School of Hygiene & Tropical Medicine, 15-17 Tavistock Place, London, WC1E 7HT, UK
| | - Moffat Nyirenda
- Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
- Medical Research Council/Uganda Virus Research Institute and LSHTM Uganda Research Unit, PO Box 49, Entebbe, Uganda
| | - Elizabeth Allen
- Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Joy E Lawn
- Maternal, Adolescent, Reproductive, & Child Health Centre, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
- Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
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1597
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Price JT, Vwalika B, Rittenhouse KJ, Mwape H, Winston J, Freeman BL, Sindano N, Stringer EM, Kasaro MP, Chi BH, Stringer JS. Adverse birth outcomes and their clinical phenotypes in an urban Zambian cohort. Gates Open Res 2020; 3:1533. [PMID: 32161903 PMCID: PMC7047437 DOI: 10.12688/gatesopenres.13046.2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/14/2019] [Indexed: 11/20/2022] Open
Abstract
Background: Few cohort studies of pregnancy in sub-Saharan Africa use rigorous gestational age dating and clinical phenotyping. As a result, incidence and risk factors of adverse birth outcomes are inadequately characterized. Methods: The Zambian Preterm Birth Prevention Study (ZAPPS) is a prospective observational cohort established to investigate adverse birth outcomes at a referral hospital in urban Lusaka. This report describes ZAPPS phase I, enrolled August 2015 to September 2017. Women were followed through pregnancy and 42 days postpartum. At delivery, study staff assessed neonatal vital status, birthweight, and sex, and assigned a delivery phenotype. Primary outcomes were: (1) preterm birth (PTB; delivery <37 weeks), (2) small-for-gestational-age (SGA; <10 th percentile weight-for-age at birth), and (3) stillbirth (SB; delivery of an infant without signs of life). Results: ZAPPS phase I enrolled 1450 women with median age 27 years (IQR 23-32). Most participants (68%) were multiparous, of whom 41% reported a prior PTB and 14% reported a prior stillbirth. Twins were present in 3% of pregnancies, 3% of women had short cervix (<25mm), 24% of women were HIV seropositive, and 5% were syphilis seropositive. Of 1216 (84%) retained at delivery, 15% were preterm, 18% small-for-gestational-age, and 4% stillborn. PTB risk was higher with prior PTB (aRR 1.88; 95%CI 1.32-2.68), short cervix (aRR 2.62; 95%CI 1.68-4.09), twins (aRR 5.22; 95%CI 3.67-7.43), and antenatal hypertension (aRR 2.04; 95%CI 1.43-2.91). SGA risk was higher with twins (aRR 2.75; 95%CI 1.81-4.18) and antenatal hypertension (aRR 1.62; 95%CI 1.16-2.26). SB risk was higher with short cervix (aRR 6.42; 95%CI 2.56-16.1). Conclusio ns: This study confirms high rates of PTB, SGA, and SB among pregnant women in Lusaka, Zambia. Accurate gestational age dating and careful ascertainment of delivery data are critical to understanding the scope of adverse birth outcomes in low-resource settings.
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Affiliation(s)
- Joan T Price
- Division of Global Women's Health, Department of Obstetrics and Gynecology, University of North Carolina, School of Medicine, Chapel Hill, NC, USA.,Department of Obstetrics and Gynaecology, University of Zambia School of Medicine, Lusaka, Zambia.,UNC Global Projects - Zambia, Lusaka, Zambia
| | - Bellington Vwalika
- Department of Obstetrics and Gynaecology, University of Zambia School of Medicine, Lusaka, Zambia
| | - Katelyn J Rittenhouse
- Division of Global Women's Health, Department of Obstetrics and Gynecology, University of North Carolina, School of Medicine, Chapel Hill, NC, USA
| | | | - Jennifer Winston
- Division of Global Women's Health, Department of Obstetrics and Gynecology, University of North Carolina, School of Medicine, Chapel Hill, NC, USA
| | - Bethany L Freeman
- Division of Global Women's Health, Department of Obstetrics and Gynecology, University of North Carolina, School of Medicine, Chapel Hill, NC, USA
| | | | - Elizabeth M Stringer
- Division of Global Women's Health, Department of Obstetrics and Gynecology, University of North Carolina, School of Medicine, Chapel Hill, NC, USA
| | | | - Benjamin H Chi
- Division of Global Women's Health, Department of Obstetrics and Gynecology, University of North Carolina, School of Medicine, Chapel Hill, NC, USA
| | - Jeffrey Sa Stringer
- Division of Global Women's Health, Department of Obstetrics and Gynecology, University of North Carolina, School of Medicine, Chapel Hill, NC, USA
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1598
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Price JT, Vwalika B, Rittenhouse KJ, Mwape H, Winston J, Freeman BL, Sindano N, Stringer EM, Kasaro MP, Chi BH, Stringer JS. Adverse birth outcomes and their clinical phenotypes in an urban Zambian cohort. Gates Open Res 2020; 3:1533. [PMID: 32161903 DOI: 10.12688/gatesopenres.13046.1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/14/2019] [Indexed: 12/25/2022] Open
Abstract
Background: Few cohort studies of pregnancy in sub-Saharan Africa use rigorous gestational age dating and clinical phenotyping. As a result, incidence and risk factors of adverse birth outcomes are inadequately characterized. Methods: The Zambian Preterm Birth Prevention Study (ZAPPS) is a prospective observational cohort established to investigate adverse birth outcomes at a referral hospital in urban Lusaka. This report describes ZAPPS phase I, enrolled August 2015 to September 2017. Women were followed through pregnancy and 42 days postpartum. At delivery, study staff assessed neonatal vital status, birthweight, and sex, and assigned a delivery phenotype. Primary outcomes were: (1) preterm birth (PTB; delivery <37 weeks), (2) small-for-gestational-age (SGA; <10 th percentile weight-for-age at birth), and (3) stillbirth (SB; delivery of an infant without signs of life). Results: ZAPPS phase I enrolled 1450 women with median age 27 years (IQR 23-32). Most participants (68%) were multiparous, of whom 41% reported a prior PTB and 14% reported a prior stillbirth. Twins were present in 3% of pregnancies, 3% of women had short cervix (<25mm), 24% of women were HIV seropositive, and 5% were syphilis seropositive. Of 1216 (84%) retained at delivery, 15% were preterm, 18% small-for-gestational-age, and 4% stillborn. PTB risk was higher with prior PTB (aRR 1.88; 95%CI 1.32-2.68), short cervix (aRR 2.62; 95%CI 1.68-4.09), twins (aRR 5.22; 95%CI 3.67-7.43), and antenatal hypertension (aRR 2.04; 95%CI 1.43-2.91). SGA risk was higher with twins (aRR 2.75; 95%CI 1.81-4.18) and antenatal hypertension (aRR 1.62; 95%CI 1.16-2.26). SB risk was higher with short cervix (aRR 6.42; 95%CI 2.56-16.1). Conclusio ns: This study confirms high rates of PTB, SGA, and SB among pregnant women in Lusaka, Zambia. Accurate gestational age dating and careful ascertainment of delivery data are critical to understanding the scope of adverse birth outcomes in low-resource settings.
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Affiliation(s)
- Joan T Price
- Division of Global Women's Health, Department of Obstetrics and Gynecology, University of North Carolina, School of Medicine, Chapel Hill, NC, USA.,Department of Obstetrics and Gynaecology, University of Zambia School of Medicine, Lusaka, Zambia.,UNC Global Projects - Zambia, Lusaka, Zambia
| | - Bellington Vwalika
- Department of Obstetrics and Gynaecology, University of Zambia School of Medicine, Lusaka, Zambia
| | - Katelyn J Rittenhouse
- Division of Global Women's Health, Department of Obstetrics and Gynecology, University of North Carolina, School of Medicine, Chapel Hill, NC, USA
| | | | - Jennifer Winston
- Division of Global Women's Health, Department of Obstetrics and Gynecology, University of North Carolina, School of Medicine, Chapel Hill, NC, USA
| | - Bethany L Freeman
- Division of Global Women's Health, Department of Obstetrics and Gynecology, University of North Carolina, School of Medicine, Chapel Hill, NC, USA
| | | | - Elizabeth M Stringer
- Division of Global Women's Health, Department of Obstetrics and Gynecology, University of North Carolina, School of Medicine, Chapel Hill, NC, USA
| | | | - Benjamin H Chi
- Division of Global Women's Health, Department of Obstetrics and Gynecology, University of North Carolina, School of Medicine, Chapel Hill, NC, USA
| | - Jeffrey Sa Stringer
- Division of Global Women's Health, Department of Obstetrics and Gynecology, University of North Carolina, School of Medicine, Chapel Hill, NC, USA
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1599
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Pastor-Moreno G, Ruiz-Pérez I, Henares-Montiel J, Escribà-Agüir V, Higueras-Callejón C, Ricci-Cabello I. Intimate partner violence and perinatal health: a systematic review. BJOG 2020; 127:537-547. [PMID: 31912613 DOI: 10.1111/1471-0528.16084] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/19/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND Physical, psychological and sexual intimate partner violence (IPV) has been described in the literature as different types of IPV experienced by women during pregnancy all over the world. OBJECTIVES To review and summarise systematically the empirical evidence on the links between IPV during pregnancy and the perinatal health of mothers and fetuses/neonates. SEARCH STRATEGY MEDLINE (Ovid), CINAHL, Embase, Nursing@ovid (Ovid) and LILACS were searched (2008-2018). SELECTION CRITERIA Observational studies that examined perinatal health outcomes (i.e. pre-term birth, low birthweight, miscarriage, perinatal death and premature rupture of membranes) in pregnant women exposed to IPV. DATA COLLECTION AND ANALYSIS Information on study characteristics, type of IPV measured, study design, methodological quality and outcome variable extracted. RESULTS Fifty studies were included. Twenty-nine analysed undifferentiated IPV (n = 25 489), 34 included physical IPV (n = 7333), 22 analysed psychological IPV (n = 7833) and 18 examined sexual IPV (n = 2388). Fifteen studies were from Asia, 12 from North America and Oceania, and 12 from Central and South America. The studies examined the association between IPV and 39 different perinatal health outcomes. The most frequent outcomes reported were pre-term birth (50%), low birthweight (46%), miscarriage (30%), perinatal death (20%) and premature rupture of membranes (20%). A significant association with perinatal health outcomes was reported by 12 of the studies analysing undifferentiated IPV, 18 physical IPV, six psychological IPV and two sexual IPV. CONCLUSIONS The relation between IPV and perinatal health outcomes can be seen in different epidemiological designs and countries. In all, 39 different outcomes were identified and 29 were associated with IPV. TWEETABLE ABSTRACT A variety of poor perinatal health outcomes are associated with psychological, physical and sexual IPV.
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Affiliation(s)
- G Pastor-Moreno
- Consorcio de Investigación Biomédica y en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain.,Escuela Andaluza de Salud Pública, Granada, Spain
| | - I Ruiz-Pérez
- Consorcio de Investigación Biomédica y en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain.,Escuela Andaluza de Salud Pública, Granada, Spain.,Instituto de Investigación Biosanitaria de Granada (ibs. GRANADA), Granada, Spain
| | | | - V Escribà-Agüir
- Departamento de Enfermería, Universidad de Valencia, Valencia, Spain.,Fundación para el fomento de la Investigación Sanitaria y Biomédica de la Comunidad Valenciana (FISABIO), Valencia, Spain
| | | | - I Ricci-Cabello
- Consorcio de Investigación Biomédica y en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain.,Institut d'Investigació Sanitaria Illes Balears (IdISBa), Palma, Spain.,Gerència d´Atenció Primària del Servei de Salut de les Illes Balears (IB-SALUT), Palma, Spain
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Bhende PS. Retinopathy of prematurity. Indian J Ophthalmol 2020; 68:S10-S11. [PMID: 31937721 PMCID: PMC7001177 DOI: 10.4103/ijo.ijo_2378_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Affiliation(s)
- Pramod S Bhende
- Shri Bhagwan Mahavir Vitreoretina Services, Medical Research Foundation, Sankara Nethralaya, Chennai, Tamil Nadu, India
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