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Ahmed A, Rosella LC, Oskoui M, Watson T, Yang S. In utero Exposure to Maternal Diabetes and the Risk of Cerebral Palsy: A Population-based Cohort Study. Epidemiology 2023; 34:247-258. [PMID: 36722807 DOI: 10.1097/ede.0000000000001574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
BACKGROUND Evidence on the effects of in utero exposure to maternal diabetes on cerebral palsy (CP) in offspring is limited. We aimed to examine the effects of pregestational (PGDM) and gestational diabetes (GDM) separately on CP risk and the mediating role of increased fetal size. METHODS In a population-based study, we included all live births in Ontario, Canada, between 2002 and 2017 followed up through 2018 (n = 2,110,177). Using administrative health data, we estimated crude and adjusted associations between PGDM or GDM and CP using Cox proportional hazards models to account for unequal follow-up in children. For the mediation analysis, we used marginal structural models to estimate the controlled direct effect of PGDM (and GDM) on the risk of CP not mediated by large-for-gestational age (LGA). RESULTS During the study period, 5,317 children were diagnosed with CP (187 exposed to PGDM and 171 exposed to GDM). Children of mothers with PGDM showed an increased risk (hazard ratio [HR]: 1.84 [95% confidence interval (CI): 1.59, 2.14]) after adjusting for maternal sociodemographic and clinical factors. We found no associations between GDM and CP (adjusted HR: 0.91 [0.77, 1.06]). Our mediation analysis estimated that LGA explained 14% of the PDGM-CP association. CONCLUSIONS In this population-based birth cohort study, maternal pregestational diabetes was associated with increased risk of CP, and the increased risk was not substantially mediated by the increased fetal size.
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Affiliation(s)
- Asma Ahmed
- From the Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC, Canada
- Child Health Evaluative Sciences, The Hospital for Sick Children Research Institute, Toronto, ON, Canada
| | - Laura C Rosella
- Dalla Lana School of Public Health, Division of Epidemiology, University of Toronto, Toronto, ON, Canada
- ICES, Toronto, ON, Canada
- Institute for Better Health, Trillium Health Partners, Mississauga, ON, Canada
- Temerty Faculty of Medicine, Department of Laboratory Medicine and Pathology, University of Toronto, Toronto, ON, Canada
| | - Maryam Oskoui
- McGill University Health Center Research Institute (RI-MUHC), Child Health and Human Development Program, Centre for Outcomes Research and Evaluation, Montreal, QC, Canada
- Department of Pediatrics, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada
- Department of Neurology & Neurosurgery, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada
| | - Tristan Watson
- Dalla Lana School of Public Health, Division of Epidemiology, University of Toronto, Toronto, ON, Canada
- ICES, Toronto, ON, Canada
| | - Seungmi Yang
- From the Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC, Canada
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Strizek B. Perinatal brain damage - what the obstetrician needs to know. J Perinat Med 2023:jpm-2022-0523. [PMID: 36853861 DOI: 10.1515/jpm-2022-0523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 12/22/2022] [Indexed: 03/01/2023]
Abstract
Perinatal brain damage is still one of the leading contributors to perinatal death and postnatal disability worldwide. However, the term perinatal brain damage encompasses very different aetiological entities that result in an insult to the developing brain and does not differentiate between the onset, cause and severity of this insult. Hypoxic-ischemic encephalopathy (HIE), intraventricular haemorrhage, periventricular leukomalacia and perinatal stroke are often listed as the major aetiologies of perinatal brain damage. They differ by type and timing of injury, neuropathological and imaging findings and their clinical picture. Along the timeline of neurodevelopment in utero, there appears to be a specific "window of vulnerability" for each type of injury, but clinical overlap does exist. In the past, peripartum acute hypoxia was believed to be the major, if not the only, cause of perinatal brain damage, but intrauterine inflammation, prematurity, chronic hypoxia/growth retardation and genetic abnormalities appear to be at least equally important contributors.
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Affiliation(s)
- Brigitte Strizek
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, 53127 Bonn, Germany
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Michaeli J, Michaeli O, Rozitzky A, Grisaru-Granovsky S, Feldman N, Srebnik N. Application of Prospect Theory in Obstetrics by Evaluating Mode of Delivery and Outcomes in Neonates Born Small or Appropriate for Gestational Age. JAMA Netw Open 2022; 5:e222177. [PMID: 35289859 PMCID: PMC8924709 DOI: 10.1001/jamanetworkopen.2022.2177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
IMPORTANCE Antenatal diagnosis of fetal weight is challenging, and the detection rate of fetal growth restriction (FGR) is low. Neonates with FGR are known to have an increased rate of obstetric intervention during labor, but the association of antenatal fetal weight estimation with mode of delivery and neonatal outcomes among neonates who are small and appropriate for gestational age (SGA and AGA) has not been reported. OBJECTIVE To evaluate the association of antenatal fetal weight estimation with mode of delivery and neonatal outcomes among neonates who are SGA and AGA, applying psychological concepts of cognitive bias and prospect theory to a model of clinical behavior. DESIGN, SETTING, AND PARTICIPANTS This cohort study was conducted between 2019 and 2020 using data from 2006 to 2018 at a tertiary care center in Jerusalem, Israel. Participants were 100 198 term singleton neonates without anomalies who were categorized into 4 groups according to the presence of an antenatal suspicion of FGR and final birth weight. Neonates with false positives (FPs; ie, group 1-FP: those with suspected FGR who were AGA) and neonates with true positives (TPs; ie, group 2-TP: those with suspected FGR who were SGA) were compared with neonates with AGA antenatal fetal weight estimation, including neonates with false negatives (FNs; ie, group 3-FN: those not suspected to have FGR who were SGA) and neonates with true negatives (TNs; ie, group 4-TN: those not suspected to have FGR who were AGA). Data were analyzed from July 2019 to July 2020. EXPOSURES Fetal weight estimation was performed according to sonographic and clinical evaluation at admission to labor, with FGR defined as a birth weight less than the 10th percentile for gestational age. Sonographic fetal weight estimation was performed according to Hadlock formula. Clinical weight estimation was performed by trained obstetricians. MAIN OUTCOMES AND MEASURES The primary outcomes were obstetric intervention and mode of delivery; the secondary outcomes were neonatal Apgar score (with low Apgar score defined as <7) and neonatal intensive care unit (NICU) admission rates. RESULTS Among 100 198 neonates eligible for the study (50941 [50.8%] male neonates), there were 5671 neonates in group 1-FP, 3040 neonates in group 2-TP, 8508 neonates in group 3-FN, and 82 979 neonates in group 4-TN. Mean (SD) maternal age was 28.6 (5.7) years. Among 8711 neonates with suspected FGR, 34.9% were below the 10th percentile at birth, while 65.1% were AGA. Neonates with suspected FGR had a significantly increased rate of induction of labor (group 1-FP: 649 neonates [11.4%] and group 2-TP: 969 neonates [31.9%]) compared with neonates in group 3-FN (1055 neonates [12.4%]) and group 4-TN (7136 neonates [8.6%]) (P < .001) and a significantly increased rate of cesarean delivery (group 1-FP: 915 neonates [16.1%] and group 2-TP: 556 neonates [18.3%] vs group 3-FN: 1106 neonates [13.0%] and group 4-TN: 6588 neonates [7.9%]; P < .001). Increased NICU admission was found for neonates who were SGA compared with neonates who were AGA (group 2-TP: 182 neonates [6.0%] and group 3-FN: 328 neonates [3.9%] vs group 1-FP: 51 neonates [0.9%] and group 4-TN: 704 neonates [0.8%]; P <.001), as was increased rate of low Apgar score (eg, at 1 minute: group 2-TP: 149 neonates [4.9%] and group 3-FN: 384 neonates [4.5%] vs group 1-FP: 124 neonates [2.2%] and group 4-TN: 1595 neonates [1.9%]; P < .001). In a multivariable model comparing group 1-FP, group 2-TP, and group 3-FN with group 4-TN, suspicion of FGR was independently associated with increased risk of caesarean delivery among neonates in group 1-FP (odds ratio, 1.72; 95% CI, 1.56-1.88; P < .001). CONCLUSIONS AND RELEVANCE This study found that antenatal diagnosis of FGR was independently associated with an increase in risk of caesarean delivery by 70% in neonates who were AGA without improvement in neonatal outcomes. These findings suggest that such outcomes may be explained by application of prospect theory and may be associated with cognitive bias in clinical decision-making.
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Affiliation(s)
- Jennia Michaeli
- Department of Obstetrics and Gynecology, Shaare Zedek Medical Center Affiliated with the Hebrew University Hadassah School of Medicine, Jerusalem, Israel
- Mount Sinai Fertility, Department of Obstetrics and Gynaecology, University of Toronto, Toronto, Ontario, Canada
| | - Ofir Michaeli
- Department of Obstetrics and Gynecology, Shaare Zedek Medical Center Affiliated with the Hebrew University Hadassah School of Medicine, Jerusalem, Israel
| | - Ariel Rozitzky
- Department of Obstetrics and Gynecology, Shaare Zedek Medical Center Affiliated with the Hebrew University Hadassah School of Medicine, Jerusalem, Israel
| | - Sorina Grisaru-Granovsky
- Department of Obstetrics and Gynecology, Shaare Zedek Medical Center Affiliated with the Hebrew University Hadassah School of Medicine, Jerusalem, Israel
| | - Naomi Feldman
- Department of Economics, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Naama Srebnik
- Department of Obstetrics and Gynecology, Shaare Zedek Medical Center Affiliated with the Hebrew University Hadassah School of Medicine, Jerusalem, Israel
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Abstract
BACKGROUND Preterm birth is an important risk factor for neurodevelopmental disabilities. The vast majority of these disabilities occur, however, among term births. The role of fetal growth restriction specifically among term babies has been incompletely described. METHODS We conducted a population-based study of term birth weight and its link to a range of neurodevelopmental outcomes using Norwegian health registries. To remove the influence of preterm birth, we restricted our analyses to 1.8 million singleton babies born during a narrow range of term gestational age (39-41 weeks). Babies with malformations were excluded. We adjusted analyses simply for year of birth, as further adjustments for sex, parity, maternal age, smoking, marital status, immigrant status, and parental education had trivial influence. An additional sibling analysis controlled for unmeasured family-based confounding. RESULTS The risk of neurodevelopmental disabilities at term steadily increased at birth weights lower than 3.5 kg. Using the category of 3.5-3.9 kg as the reference, the odds reached 25-fold for cerebral palsy at the smallest weights (95% confidence interval 8.0, 79), 16-fold for vision/hearing disability (4.0, 65), 11-fold for intellectual impairment (6.9, 17), 7-fold for schizophrenia (1.0, 50), 5.4-fold for epilepsy (2.6, 12), and 3.5-fold for autism spectrum (1.3, 9.4) and behavioral disorders including attention-deficit hyperactivity disorder (2.1, 5.4). Associations remained robust with sibling controls. CONCLUSIONS Reduced fetal growth is a powerful predictor of a wide variety of neurodevelopmental disabilities independent of preterm delivery.
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Saglam A, Derwig I, Gul M, Kasap B, Yilmaz N, Sezik M, Celik O, Tiryaki S, Özcil MD, Sipahioğlu H, İnci S, Demircan F. Foetal cardiac function in third trimester pregnancies with reduced fetal movements. J OBSTET GYNAECOL 2021; 42:28-34. [PMID: 33938348 DOI: 10.1080/01443615.2020.1869706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The objective of our study was to investigate the possible relationship between poor perinatal outcome and foetal cardiac functions in pregnant women with reduced foetal movements (RFM). This cross-sectional study included 126 pregnant women with normal foetal movements (Group 1, Controls) and 42 pregnant women over 32 weeks gestation with RFM (Group 2). Group 2 was further divided into two subgroups according to their perinatal outcome: normal perinatal outcome (Group 2a) and poor perinatal outcome (Group 2b). Cardiotocography, the E/A ratio in both atrioventricular valves, myocardial performance index (MPI) and foetal tricuspid annular plane systolic excursion (f-TAPSE) were evaluated. Foetuses with poor perinatal outcome had a higher MPI (p = .003), higher tricuspid and mitral E/A (p < .001), and lower f-TAPSE values (p < .001). In regression analysis, f-TAPSE was the only parameter (p = .04) independently associated with poor perinatal outcome. İn conclusion, examining f-TAPSE may predict adverse perinatal outcome in pregnancies with RFM.IMPACT STATEMENTWhat is already known on this subject? Reduced foetal movement (RFM) is associated with adverse pregnancy outcome. Cardiotocography, amniotic fluid assessment, estimated birthweight, foetal Doppler and formal foetal movement count (kick chart) are generally used in the clinical assessment of pregnancies with reduced foetal movements. These tests, we currently use to assess foetal wellbeing in women with reduced foetal movements, have limited sensitivity in predicting foetal compromise.What do the results of this study add? Foetal cardiac Doppler may potentially be used as an important adjunct to the conventional management of women with a perception of reduced foetal movements.What are the implications of these findings for clinical practice and/or further research? Foetal echocardiographic evaluation, such as f-TAPSE, may influence clinical practice by enabling improved risk stratification for poor perinatal outcome, thus allowing more timely definitive intervention. This could help to decrease the rate of stillbirth related to reduced foetal movements. The few established echocardiographically derived parameters, which can asses global right ventricle function, are not always easy to obtain, however, f-TAPSE is easily obtainable using ultrasound and it appears to be a clinically useful echocardiographic measurement of right ventricular function.
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Affiliation(s)
- Aylin Saglam
- Department of Obstetrics and Gynecology, Aksaray University School of Medicine, Aksaray, Turkey
| | - Iris Derwig
- Chelsea Westminster Hospital NHS Foundation Trust, London, England
| | - Murat Gul
- Department of Cardiology, Aksaray University School of Medicine, Aksaray, Turkey
| | - Burcu Kasap
- Department of Obstetrics and Gynecology, Mugla Sıtkı Koçman University, Muğla, Turkey
| | - Nuh Yilmaz
- Department of Pediatric Cardiology, Hatay Mustafa Kemal University, Hatay, Turkey
| | - Mekin Sezik
- Department of Obstetrics and Gynecology, Department of Perinatology, Isparta Suleyman Demirel University School of Medicine, Isparta, Turkey
| | - Onder Celik
- Private Clinic Obstetrics and Gynecology, Usak, Turkey
| | - Sibel Tiryaki
- Department of Pediatric Cardiology, Mugla Sıtkı Koçman University, Muğla, Turkey
| | - Mustafa Doğan Özcil
- Department of Obstetrics and Gynecology, Hatay Mustafa Kemal University, Hatay, Turkey
| | - Haydar Sipahioğlu
- Department of Obstetrics and Gynecology, Aksaray University School of Medicine, Aksaray, Turkey
| | - Sinan İnci
- Department of Cardiology, Aksaray University School of Medicine, Aksaray, Turkey
| | - Fadime Demircan
- Department of Obstetrics and Gynecology, Uskudar Yunus Emre Hospital, Istanbul, Turkey
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Lucaccioni L, Boncompagni A, Pugliese M, Talucci G, Della Casa E, Bertoncelli N, Coscia A, Bedetti L, Berardi A, Iughetti L, Ferrari F. Subtle impairment of neurodevelopment in infants with late fetal growth restriction. J Matern Fetal Neonatal Med 2021; 35:4927-4934. [PMID: 33455501 DOI: 10.1080/14767058.2021.1873267] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
INTRODUCTION Children with late fetal growth restriction (FGR) are at high risk of being born small for gestational age (SGA). These categories of newborns are at increased risk for neurodevelopment impairment. The general movements assessment, in particular at fidgety age, has been used to predict neurological dysfunctions. This study aimed to evaluate growth recovery, presence of fidgety movements at 3 months, and neurodevelopmental outcome at 2 years of age in term late FGR infants and adequate for gestational age (AGA) controls. METHODS Prospective clinical evaluation. At 3 months auxological parameters (AP) and neurological examination were evaluated while at 24 months neurodevelopment outcome by Griffiths Mental Development Scales (GMDS-R) was evaluated. RESULTS 38 late FGR and 20 AGA controls completed the study. Despite a significant catch up, at 3 months 13% of late FGR presented at least one auxological parameter <3° percentile. Moreover, 23.7% of late FGR infants did not show fidgety movements compared to 100% AGA controls (p < .001). Cranial circumference at birth resulted a positive predictive factor for FMs (p = .039). At 2 years of age, a difference statistically significant between late FGR and AGA was detected in GMDS-R. CONCLUSION Independently from growth recovery, fidgety movements resulted less expressed in late FGR infants, and at 2 years of age the neurodevelopmental assessment revealed differences in each domain of evaluation between late FGR and AGA infants, although within normal ranges.
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Affiliation(s)
- Laura Lucaccioni
- Neonatal Intensive Care Unit, Department of Clinical and Surgical Sciences for Mothers, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | - Alessandra Boncompagni
- Neonatal Intensive Care Unit, Department of Clinical and Surgical Sciences for Mothers, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | - Marisa Pugliese
- Department of Clinical and Surgical Sciences for Mothers, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | - Giovanna Talucci
- Department of Clinical and Surgical Sciences for Mothers, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | - Elisa Della Casa
- Neonatal Intensive Care Unit, Department of Clinical and Surgical Sciences for Mothers, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | - Natascia Bertoncelli
- Neonatal Intensive Care Unit, Department of Clinical and Surgical Sciences for Mothers, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | | | - Luca Bedetti
- Clinical and Experimental Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | - Alberto Berardi
- Neonatal Intensive Care Unit, Department of Clinical and Surgical Sciences for Mothers, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | - Lorenzo Iughetti
- Department of Clinical and Surgical Sciences for Mothers, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | - Fabrizio Ferrari
- Neonatal Intensive Care Unit, Department of Clinical and Surgical Sciences for Mothers, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
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Forthun I, Lie RT, Strandberg-Larsen K, Solheim MH, Moster D, Wilcox AJ, Mortensen LH, Tollånes MC. Parental education and the risk of cerebral palsy for children: an evaluation of causality. Dev Med Child Neurol 2020; 62:1176-1181. [PMID: 32339266 DOI: 10.1111/dmcn.14552] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/24/2020] [Indexed: 11/28/2022]
Abstract
AIM To explore whether increasing parental education has a causal effect on risk of cerebral palsy (CP) in the child, or whether unobserved confounding is a more likely explanation. METHOD We used data from Norwegian registries on approximately 1.5 million children born between 1967 and 2011. We compared results from a traditional cohort design with results from a family-based matched case-control design, in which children with CP were matched to their first cousins without CP. In addition, we performed a simulation study to assess the role of unobserved confounding. RESULTS In the cohort design, the odds of CP were reduced in children of mothers and fathers with higher education (adjusted odds ratio [OR] 0.67, 95% confidence interval [CI] 0.60-0.75 for maternal education, and adjusted OR 0.75, 95% CI 0.67-0.85 for paternal education). In the family-based case-control design, only an association for maternal education remained (adjusted OR 0.80, 95% CI 0.64-0.99). Results from a simulation study suggested that this association could be explained by unobserved confounding. INTERPRETATION A causal effect of obtaining higher education on risk of CP in the child is unlikely. Results stress the importance of continued research on the role of genetic and environmental risk factors that vary by parents' educational level. WHAT THIS PAPER ADDS Children of higher-educated parents had significantly lower odds of cerebral palsy (CP). There was no evidence of difference in risk of CP within first cousins whose mothers or fathers had different educational levels. Association between parental education and odds of CP did not reflect a causal effect.
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Affiliation(s)
- Ingeborg Forthun
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
| | - Rolv Terje Lie
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway.,Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
| | | | | | - Dag Moster
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway.,Department of Pediatrics, Haukeland University Hospital, Bergen, Norway
| | - Allen J Wilcox
- Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC, USA
| | | | - Mette C Tollånes
- Norwegian Quality Improvement of Laboratory Examinations (Noklus), Haraldsplass Deaconess Hospital, Bergen, Norway
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Himmelmann K, Uvebrant P. The panorama of cerebral palsy in Sweden part XII shows that patterns changed in the birth years 2007-2010. Acta Paediatr 2018; 107:462-468. [PMID: 29121418 DOI: 10.1111/apa.14147] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Revised: 09/30/2017] [Accepted: 11/06/2017] [Indexed: 12/01/2022]
Abstract
AIM This was the 12th population-based study to explore the epidemiology of cerebral palsy (CP) in western Sweden. METHODS From 2007 to 2010, there were 104 713 live births in the area. We analysed the birth characteristics, aetiology and neuroimaging findings, calculated the prevalence and compared the results with previous study cohorts. RESULTS Cerebral palsy was found in 205 children, corresponding to a crude prevalence of 1.96 per 1000 live births. The gestational age-specific prevalence for <28 gestational weeks was 59.0 per 1000 live births, 45.7 for 28-31 weeks, 6.0 for 32-36 weeks and 1.2 for >36 weeks. Hemiplegia accounted for 44%, diplegia for 34%, tetraplegia for 5%, dyskinetic CP for 12% and ataxia for 3%. Neuroimaging showed maldevelopment in 12%, white matter lesions in 49%, cortical/subcortical lesions in 15% and basal ganglia lesions in 11%. The aetiology was considered prenatal in 38%, peri/neonatal in 38% and remained unclassified in 24%. CP due to term or near-term asphyxia had decreased. CONCLUSION A nonsignificant decrease in CP prevalence was seen in term-born children. Hemiplegia was still the most prevalent CP type, while the prevalence of dyskinetic CP had decreased. One in two children had white matter lesions, indicating late second- or early third-trimester timing.
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Affiliation(s)
- K Himmelmann
- Department of Pediatrics; Institute of Clinical Sciences; Sahlgrenska Academy at the University of Gothenburg; Göteborg Sweden
- Regional Rehabilitation Centre; Queen Silvia Children's Hospital; Göteborg Sweden
| | - P Uvebrant
- Department of Pediatrics; Institute of Clinical Sciences; Sahlgrenska Academy at the University of Gothenburg; Göteborg Sweden
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Catch-Up Growth and Neurobehavioral Development among Full-Term, Small-for-Gestational-Age Children: A Nationwide Japanese Population-Based Study. J Pediatr 2018; 192:41-46.e2. [PMID: 29092752 DOI: 10.1016/j.jpeds.2017.09.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 07/06/2017] [Accepted: 09/01/2017] [Indexed: 01/01/2023]
Abstract
OBJECTIVE To examine the relationship between catch-up growth of full-term, small for gestational age (SGA) children and their neurobehavioral development. STUDY DESIGN Data were obtained from a population-based nationwide Japanese longitudinal survey that started in 2001. Study participants were full-term children with information on height at 2 years of age (n = 32 533). Catch-up growth for SGA infants was defined as achieving a height at 2 years of age of more than -2.0 standard deviations for chronological age. Logistic regression analyses were used to estimate ORs and 95% CIs for the associations of SGA and catch-up growth status with neurobehavioral development at 2.5 and 8 years of age, adjusting for potential infant- and parent-related confounding factors. RESULTS Fifteen percent of term SGA infants failed to catch up in height. At 2.5 years of age, SGA children without catch-up growth were more likely to be unable to climb stairs (OR, 10.42; 95% CI, 5.55-19.56) and unable to compose a 2-word sentence (OR, 3.58; 95% CI, 1.81-7.08) compared with children with normal growth at birth. Furthermore, SGA children without catch-up growth were at increased risk for aggressive behaviors (OR, 3.85; 95% CI, 1.19-12.47) at 8 years of age. CONCLUSIONS Continuous follow-up for full-term SGA infants with failure of catch-up growth or poor postnatal growth may be beneficial for early detection and intervention for behavioral problems.
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Pilliod RA, Page JM, Sparks TN, Caughey AB. The growth-restricted fetus: risk of mortality by each additional week of expectant management. J Matern Fetal Neonatal Med 2017; 32:442-447. [PMID: 28974133 DOI: 10.1080/14767058.2017.1381904] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVE To compare fetal/infant mortality risk associated with each additional week of expectant management with the infant mortality risk of immediate delivery in growth-restricted pregnancies. METHODS A retrospective cohort study was conducted of singleton, nonanomalous pregnancies from the 2005-2008 California Birth Registry comparing pregnancies affected and unaffected by growth restriction, defined using birth weights as a proxy for fetal growth restriction (FGR). Birth weights were subdivided as greater than the 90th percentile, between the 10th percentile and 90th percentile, and less than the 10th percentile. Cases greater than the 90th percentile were excluded from analysis. Cases less than the 10th percentile were considered to have FGR and were further subcategorized into <10th percentile, <5th percentile, and <3rd percentile. We compared the risk of infant death at each gestational age week against a composite risk representing the mortality risk of one additional week of expectant management. RESULTS We identified 1,641,000 births, of which 110,748 (6.7%) were less than 10th percentile. The risk of stillbirth increased with gestational age with the risk of stillbirth at each week of gestation inversely proportional to growth percentile. The risks of fetal and infant mortality with expectant management outweighed the risk of infant death for all FGR categories analyzed beginning at 38 weeks. However, the absolute risks differed by growth percentiles, with the highest risks of infant death and stillbirth in the <3rd percentile cohort. At 39 weeks, absolute risks were low, although the number needed to deliver to prevent 1 death ranged from 413 for <3rd percentile to 2667 in unaffected pregnancies. CONCLUSION At 38 weeks, the mortality risk of expectant management for one additional week exceeds the risk of delivery across all growth-restricted cohorts, despite variation in absolute risk by degree of growth restriction.
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Affiliation(s)
- Rachel A Pilliod
- a Department of Obstetrics and Gynecology , Oregon Health and Science University , Portland , OR , USA
| | - Jessica M Page
- b Department of Obstetrics and Gynecology , University of Utah , Salt Lake City , UT , USA
| | - Teresa N Sparks
- c Department of Obstetrics, Gynecology and Reproductive Sciences , University of California San Francisco, San Francisco , CA , USA.,d Department of Pediatrics , University of California San Francisco, San Francisco , CA , USA
| | - Aaron B Caughey
- a Department of Obstetrics and Gynecology , Oregon Health and Science University , Portland , OR , USA
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Bjellmo S, Andersen GL, Martinussen MP, Romundstad PR, Hjelle S, Moster D, Vik T. Is vaginal breech delivery associated with higher risk for perinatal death and cerebral palsy compared with vaginal cephalic birth? Registry-based cohort study in Norway. BMJ Open 2017; 7:e014979. [PMID: 28473516 PMCID: PMC5566597 DOI: 10.1136/bmjopen-2016-014979] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
OBJECTIVE This paper aims to study if vaginal breech delivery is associated with increased risk for neonatal mortality (NNM) or cerebral palsy (CP) in Norway where vaginal delivery accounts for 1/3 of all breech deliveries. DESIGN Cohort study using information from the national Medical BirthRegister and Cerebral Palsy Register. SETTING Births in Norway 1999-2009. PARTICIPANTS 520 047 term-born singletons without congenital malformations. MAIN OUTCOME MEASURES NNM, CP and a composite outcome of these and death during birth. RESULTS Compared with cephalic births, breech births had substantially increased risk for NNM but not for CP. Vaginal delivery was planned for 7917 of 16 700 fetuses in breech, while 5561 actually delivered vaginally. Among these, NNM was 0.9 per 1000 compared with 0.3 per 1000 in vaginal cephalic delivery, and 0.8 per 1000 in those actually born by caesarean delivery (CD) in breech. Compared with planned cephalic delivery, planned vaginal delivery was associated with excess risk for NNM (OR 2.4; 95% CI 1.2 to 4.9), while the OR associated with planned breech CD was 1.6 (95% CI 0.7 to 3.7). These risks were attenuated when NNM was substituted by the composite outcome. Vaginal breech delivery was not associated with excess risk for CP compared with vaginal cephalic delivery. CONCLUSION Vaginal breech delivery, regardless of whether planned or actual, and actual breech CD were associated with excess risk for NNM compared with vaginal cephalic delivery, but not with CP. The risk for NNM and CP in planned breech CD did not differ significantly from planned vaginal cephalic delivery. However, the absolute risk for these outcomes was low, and taking into consideration potential long-term adverse consequences of CD for the child and later deliveries, we therefore conclude that vaginal breech delivery may be recommended, provided competent obstetric care and strict criteria for selection to vaginal delivery.
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Affiliation(s)
- Solveig Bjellmo
- Department of Obstetrics and Gynecology, Helse More og Romsdal HF, Alesund, Norway
- The Norwegian University of Science and Technology, NTNU, Trondheim, Norway
| | - Guro L Andersen
- The Norwegian University of Science and Technology, NTNU, Trondheim, Norway
- The Cerebral Palsy Registry of Norway, Habilitation Center, Vestfold Hospital, Tønsberg, Norway
| | - Marit Petra Martinussen
- The Norwegian University of Science and Technology, NTNU, Trondheim, Norway
- Department of Laboratory Medicine, Children’s and Women’s Health, LBK, Trondheim, Norway
- Department of Obstetrics and Gynecology, St Olav`s Hospital, Trondheim, Norway
| | - Pål Richard Romundstad
- The Norwegian University of Science and Technology, NTNU, Trondheim, Norway
- Department of Public Health, Norwegian University of Science and Technology, Trondheim, Norway
| | - Sissel Hjelle
- Department of Obstetrics and Gynecology, Helse More og Romsdal HF, Alesund, Norway
| | - Dag Moster
- Institute of Global Public Health and Primary Care, UiB, Bergen, Norway
- Department of Paediatrics, Hauekland University Hospital, Bergen, Norway
| | - Torstein Vik
- The Norwegian University of Science and Technology, NTNU, Trondheim, Norway
- Department of Laboratory Medicine, Children’s and Women’s Health, LBK, Trondheim, Norway
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12
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Thavarajah H, Flatley C, Kumar S. The relationship between the five minute Apgar score, mode of birth and neonatal outcomes. J Matern Fetal Neonatal Med 2017; 31:1335-1341. [DOI: 10.1080/14767058.2017.1315666] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
| | - Christopher Flatley
- Mater Research Institute, University of Queensland, South Brisbane, Australia
| | - Sailesh Kumar
- Mater Research Institute, University of Queensland, South Brisbane, Australia
- School of Medicine, The University of Queensland, Brisbane, Australia
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13
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Zhao M, Dai H, Deng Y, Zhao L. SGA as a Risk Factor for Cerebral Palsy in Moderate to Late Preterm Infants: a System Review and Meta-analysis. Sci Rep 2016; 6:38853. [PMID: 27958310 PMCID: PMC5153647 DOI: 10.1038/srep38853] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Accepted: 11/11/2016] [Indexed: 11/09/2022] Open
Abstract
Small for gestational age (SGA) is an established risk factor for cerebral palsy (CP) in term infants. However, there is conflicting data on the association between SGA and CP in moderate to late preterm infants. The aim of the article was to explore the relationship between SGA and CP in the moderate to late preterm infants and its strength by meta-analysis. We performed a system search in OVID (EMBASE and MEDLINE) and WANFANG from inception to May 2016. The study-specific risk estimates were pooled using the random-effect model. A total of seven studies were included in the meta-analysis, consisting of three cohort and four case-control studies. A statistically significant association was found between SGA and CP in moderate to late premature infants (OR: 2.34; 95% CI: 1.43-3.82). The association were higher in the several subgroups: 34-36 week gestational age (OR: 3.47; 95% CI: 1.29-9.31), SGA < 2SDs (OR: 3.48; 95% CI: 1.86-6.49), and malformation included in CP (OR: 3.00; 95% CI: 1.71-5.26). In moderate to late premature infants, SGA is a convenient and reliable predictor for CP. More studies are needed to explore the underlying mechanisms between SGA and CP association.
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Affiliation(s)
- Mengwen Zhao
- Department of Pediatrics, the Third Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Hongmei Dai
- Department of Pediatrics, the Third Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Yuanying Deng
- Department of Pediatrics, the Third Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Lingling Zhao
- Department of Pediatrics, the Third Xiangya Hospital of Central South University, Changsha, Hunan Province, China
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14
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Takeuchi A, Yorifuji T, Takahashi K, Nakamura M, Kageyama M, Kubo T, Ogino T, Doi H. Neurodevelopment in full-term small for gestational age infants: A nationwide Japanese population-based study. Brain Dev 2016; 38:529-37. [PMID: 26791811 DOI: 10.1016/j.braindev.2015.12.013] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Revised: 10/08/2015] [Accepted: 12/25/2015] [Indexed: 10/22/2022]
Abstract
OBJECTIVE To investigate neurological development in small for gestational age (SGA) infants, with a focus on full-term SGA infants. METHODS We analyzed data from a large, Japanese, nationwide, population-based longitudinal survey started in 2001. We restricted the study to participants born before 42weeks of gestation (n=46,563). Parents were asked questions about motor and language development when the children were 2.5years old, and about behavioral development at 5.5years. We analyzed the relationships between SGA status and development by logistic regression. Odds ratios (ORs) and 95% confidence intervals (95% CI) were calculated for each outcome for full-term and preterm births, adjusting for potential infant- and parent-related confounding factors. We also calculated the population-attributable fractions to estimate the public impact of SGA births. RESULTS SGA full-term children were more likely to demonstrate developmental delays at 2.5years, e.g., being unable to walk alone (OR 3.0, 95% CI: 1.7, 5.3), compose a two-phrase sentence (OR 1.5, 95% CI: 1.2, 1.8), or use a spoon to eat (OR 1.5, 95% CI: 1.1, 1.9). SGA status also had some degree of negative impacts on behavioral problems at 5.5years among term children, e.g., being unable to listen without fidgeting (OR 1.2, 95% CI: 1.1, 1.3), or remain patient (OR 1.1, 95% CI: 1.0, 1.2). The public health impacts were comparable between full-term and preterm SGA children at 2.5years. CONCLUSION SGA is a risk factor for developmental delay, even in full-term infants, with non-negligible public health impacts.
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Affiliation(s)
- Akihito Takeuchi
- Department of Neonatology, Okayama Medical Center, National Hospital Organization, Okayama, Japan.
| | - Takashi Yorifuji
- Department of Human Ecology, Okayama University Graduate School of Environmental and Life Science, Okayama, Japan
| | - Kyohei Takahashi
- Department of Pediatrics, Okayama Medical Center, National Hospital Organization, Okayama, Japan
| | - Makoto Nakamura
- Department of Neonatology, Okayama Medical Center, National Hospital Organization, Okayama, Japan
| | - Misao Kageyama
- Department of Neonatology, Okayama Medical Center, National Hospital Organization, Okayama, Japan
| | - Toshihide Kubo
- Department of Pediatrics, Okayama Medical Center, National Hospital Organization, Okayama, Japan
| | - Tatsuya Ogino
- Department of Children Studies, Faculty of Children Studies, Chugokugakuen University, Okayama, Japan
| | - Hiroyuki Doi
- Department of Epidemiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
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15
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Khalil A, Morales-Roselló J, Townsend R, Morlando M, Papageorghiou A, Bhide A, Thilaganathan B. Value of third-trimester cerebroplacental ratio and uterine artery Doppler indices as predictors of stillbirth and perinatal loss. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2016; 47:74-80. [PMID: 26327300 DOI: 10.1002/uog.15729] [Citation(s) in RCA: 112] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Revised: 07/12/2015] [Accepted: 08/18/2015] [Indexed: 06/04/2023]
Abstract
OBJECTIVE Placental insufficiency contributes to the risk of stillbirth. Cerebroplacental ratio (CPR) is an emerging marker of placental insufficiency. The aim of this study was to evaluate the association of third-trimester fetal CPR, uterine artery (UtA) Doppler and estimated fetal weight (EFW) with stillbirth and perinatal death. METHODS This was a retrospective cohort study including 2812 women with a singleton pregnancy who underwent an ultrasound scan in the third trimester. EFWs were converted into centiles, and Doppler indices (UtA and CPR) were converted into multiples of the median (MoM), adjusting for gestational age. Regression analysis was performed to identify, and adjust for, potential confounders, and receiver-operating characteristics (ROC) curve analysis was used to assess the predictive value. RESULTS When adjusting for EFW centile and UtA mean pulsatility index (UtA-PI) MoM, CPR-MoM remained an independent predictor of stillbirth (odds ratio (OR) = 0.003 (95% CI, 0.00-0.11), P = 0.003) and perinatal mortality (OR = 0.001 (95% CI, 0.00-0.03), P < 0.001). UtA-PI ≥ 1.5 MoM was significantly associated with low CPR-MoM, even after adjusting for EFW centile (OR = 5.22 (95% CI, 3.88-7.04), P < 0.001) or small-for-gestational age (SGA; OR = 4.73 (95% CI, 3.49-6.41), P < 0.001). These associations remained significant, even when excluding pregnancies with SGA or including only cases in which Doppler indices were recorded at term (P < 0.01). For prediction of stillbirth, the area under the ROC curve, using a combination of these three parameters, was 0.88 (95% CI, 0.77-0.99) with a sensitivity of 66.7%, specificity of 92.1%, positive likelihood ratio (LR) of 8.46 and negative LR of 0.36. CONCLUSIONS Third-trimester CPR is an independent predictor of stillbirth and perinatal mortality. The role of UtA Doppler, CPR and EFW in assessing risk of adverse pregnancy outcome should be evaluated prospectively.
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Affiliation(s)
- A Khalil
- Fetal Medicine Unit, St George's Hospital, St George's University of London, London, UK
| | - J Morales-Roselló
- Fetal Medicine Unit, St George's Hospital, St George's University of London, London, UK
| | - R Townsend
- Fetal Medicine Unit, St George's Hospital, St George's University of London, London, UK
| | - M Morlando
- Fetal Medicine Unit, St George's Hospital, St George's University of London, London, UK
| | - A Papageorghiou
- Fetal Medicine Unit, St George's Hospital, St George's University of London, London, UK
| | - A Bhide
- Fetal Medicine Unit, St George's Hospital, St George's University of London, London, UK
| | - B Thilaganathan
- Fetal Medicine Unit, St George's Hospital, St George's University of London, London, UK
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16
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Wang Y, Fu W, Liu J. Neurodevelopment in children with intrauterine growth restriction: adverse effects and interventions. J Matern Fetal Neonatal Med 2016; 29:660-8. [PMID: 25758617 DOI: 10.3109/14767058.2015.1015417] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Intrauterine growth restriction (IUGR) is associated with higher rates of fetal, perinatal, and neonatal morbidity and mortality. The consequences of IUGR include short-term metabolic, hematological and thermal disturbances that lead to metabolic syndrome in children and adults. Additionally, IUGR severely affects short- and long-term fetal brain development and brain function (including motor, cognitive and executive function) and neurobehavior, especially neuropsychology. This review details the adverse effects of IUGR on fetal brain development and discusses intervention strategies.
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Affiliation(s)
- Yan Wang
- a Department of Neonatology and NICU , Bayi Children's Hospital, Beijing Military General Hospital , Beijing , China and
- b Department of Neonatology and NICU , Taian City Central Hospital of Shandong Province , Taian City , China
| | - Wei Fu
- a Department of Neonatology and NICU , Bayi Children's Hospital, Beijing Military General Hospital , Beijing , China and
| | - Jing Liu
- a Department of Neonatology and NICU , Bayi Children's Hospital, Beijing Military General Hospital , Beijing , China and
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17
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Strand KM, Andersen GL, Haavaldsen C, Vik T, Eskild A. Association of placental weight with cerebral palsy: population-based cohort study in Norway. BJOG 2015; 123:2131-2138. [DOI: 10.1111/1471-0528.13827] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/20/2015] [Indexed: 11/27/2022]
Affiliation(s)
- KM Strand
- Department of Laboratory Medicine, Children's and Women's Health; Faculty of Medicine; Norwegian University of Science and Technology; Trondheim Norway
| | - GL Andersen
- Department of Laboratory Medicine, Children's and Women's Health; Faculty of Medicine; Norwegian University of Science and Technology; Trondheim Norway
- The Cerebral Palsy Register of Norway; Habilitation Centre; Vestfold Hospital Trust; Tønsberg Norway
| | - C Haavaldsen
- Department of Obstetrics and Gynecology; Akershus University Hospital; Lørenskog Norway
| | - T Vik
- Department of Laboratory Medicine, Children's and Women's Health; Faculty of Medicine; Norwegian University of Science and Technology; Trondheim Norway
| | - A Eskild
- Department of Obstetrics and Gynecology; Akershus University Hospital; Lørenskog Norway
- Institute of Clinical Medicine; University of Oslo; Oslo Norway
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18
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Employment trends during preschool years among mothers of term singletons born with low birth weight. Matern Child Health J 2015; 18:2195-201. [PMID: 24643811 PMCID: PMC4198803 DOI: 10.1007/s10995-014-1468-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
Children born at term with low birth weight (LBW) are regarded growth restricted and are at particular risk of adverse health outcomes requiring a high degree of parental participation in the day-to-day care. This study examined whether their increased risk of special health care needs compared to other children may influence mothers’ opportunities for participation in the labor market at different times after delivery. Data from 32,938 participants in the population-based Norwegian Mother and Child Cohort Study with singleton children born at term in 2004–2006 were linked to national registers in order to investigate the mothers’ employment status when their children were 1–3 years in 2007 and 4–6 years in 2010. Children weighing less than two standard deviations below the gender-specific mean were defined as LBW children. Although not significantly different from mothers of children in the normal weight range, mothers of LBW children had the overall highest level of non-employment when the children were 1–3 years. At child age 4–6 years on the other hand, LBW was associated with an increased risk of non-employment (RR 1.39: 95 % CI 1.11–1.75) also after adjustment for factors associated with employment in general. In accordance with employment trends in the general population, our findings show that while mothers of normal birth weight children re-enter the labor market as their children grow older, mothers of LBW children born at term participate to a lesser extent in paid employment and remain at levels similar to those of mothers with younger children.
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19
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Lee VR, Pilliod RA, Frias AE, Rasanen JP, Shaffer BL, Caughey AB. When is the optimal time to deliver late preterm IUGR fetuses with abnormal umbilical artery Dopplers? J Matern Fetal Neonatal Med 2015; 29:690-5. [DOI: 10.3109/14767058.2015.1018170] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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20
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21
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Finbråten AK, Martins C, Andersen GL, Skranes J, Brannsether B, Júlíusson PB, Syversen U, Stevenson RD, Vik T. Assessment of body composition in children with cerebral palsy: a cross-sectional study in Norway. Dev Med Child Neurol 2015; 57:858-64. [PMID: 25827868 DOI: 10.1111/dmcn.12752] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/09/2015] [Indexed: 11/26/2022]
Abstract
AIM The assessment of growth and body composition is challenging in children with cerebral palsy (CP). The aim of this study was to compare clinical assessments of body composition with measurements obtained using dual-energy X-ray absorptiometry (DXA) in this population. METHOD Knee height, weight, and triceps and subscapular skinfold thickness (SFT) were measured in 47 children with CP (age range 8-18y; 18 females, 29 males). Height was estimated from knee height, and used to calculate body mass index (BMI). Using SFT measurements, body fat percentage was calculated by standard ('Slaughter') and CP-modified ('Gurka') equations and compared with results obtained using DXA. RESULTS Children with severe gross motor function impairments (Gross Motor Function Classification System [GMFCS] level III or IV) exhibited stunted growth and had higher fat percentages and lower lean body mass than children classified in GMFCS level I or II. In 10 children classified as 'thin' according to their BMI (five of whom were assigned thinness grade of 2 or lower), percentage of body fat, as determined by DXA, was normal or high. The Slaughter equations significantly underestimated body fat percentages, whereas the precision of the CP-modified Gurka equations was excellent. INTERPRETATION In this study, children with CP and severe motor impairments displayed stunted growth, but were not undernourished. Relying solely upon BMIs may be misleading in children with CP. Therefore, clinicians should be encouraged to measure SFT and to calculate body fat percentages using the CP-modified version of the Slaughter equation.
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Affiliation(s)
- Ane-Kristine Finbråten
- Department of Laboratory Medicine, Children's and Women's Health, Norwegian University of Science and Technology, Trondheim, Norway.,Department of Pediatrics, St. Olav's University Hospital, Trondheim, Norway
| | - Catia Martins
- Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - Guro Lillemoen Andersen
- Department of Laboratory Medicine, Children's and Women's Health, Norwegian University of Science and Technology, Trondheim, Norway.,The Cerebral Palsy Register of Norway, Habilitation Center, Vestfold Hospital Trust, Tønsberg, Norway
| | - Jon Skranes
- Department of Laboratory Medicine, Children's and Women's Health, Norwegian University of Science and Technology, Trondheim, Norway
| | - Bente Brannsether
- Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Pediatrics, Stavanger University Hospital, Stavanger, Norway
| | - Pétur Benedikt Júlíusson
- Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Pediatrics, Haukeland University Hospital, Bergen, Norway
| | - Unni Syversen
- Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway.,Department of Endocrinology, St. Olav's University Hospital, Trondheim, Norway
| | - Richard D Stevenson
- Department of Pediatrics, Division of Developmental Pediatrics, Kluge Children's Rehabilitation Center and Research Institute, University of Virginia, Charlottesville, VA, USA
| | - Torstein Vik
- Department of Laboratory Medicine, Children's and Women's Health, Norwegian University of Science and Technology, Trondheim, Norway
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22
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Is fetal cerebroplacental ratio an independent predictor of intrapartum fetal compromise and neonatal unit admission? Am J Obstet Gynecol 2015; 213:54.e1-54.e10. [PMID: 25446667 DOI: 10.1016/j.ajog.2014.10.024] [Citation(s) in RCA: 154] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2014] [Revised: 09/24/2014] [Accepted: 10/16/2014] [Indexed: 11/20/2022]
Abstract
OBJECTIVE We sought to evaluate the association between fetal cerebroplacental ratio (CPR) and intrapartum fetal compromise and admission to the neonatal unit (NNU) in term pregnancies. STUDY DESIGN This was a retrospective cohort study in a single tertiary referral center over a 14-year period from 2000 through 2013. The umbilical artery pulsatility index, middle cerebral artery pulsatility index, and CPR were recorded within 2 weeks of delivery. The birthweight (BW) values were converted into centiles and Doppler parameters converted into multiples of median (MoM), adjusting for gestational age using reference ranges. Logistic regression analysis was performed to identify, and adjust for, potential confounders. RESULTS The study cohort included 9772 singleton pregnancies. The rates of operative delivery for presumed fetal compromise and neonatal admission were 17.2% and 3.9%, respectively. Doppler CPR MoM was significantly lower in pregnancies requiring operative delivery or admission to NNU for presumed fetal compromise (P < .01). On multivariate logistic regression, both CPR MoM and BW centile were independently associated with the risk of operative delivery for presumed fetal compromise (adjusted odds ratio [OR], 0.67; 95% confidence interval [CI], 0.52-0.87; P = .003 and adjusted OR, 0.994; 95% CI, 0.992-0.997; P < .001, respectively). The latter associations persisted even after exclusion of small-for-gestational-age cases from the cohort. Multivariate logistic regression also demonstrated that CPR MoM was an independent predictor for NNU admission at term (adjusted OR, 0.55; 95% CI, 0.33-0.92; P = .021), while BW centile was not (adjusted OR, 1.00; 95% CI, 0.99-1.00; P = .794). The rates of operative delivery for presumed fetal compromise were significantly higher for appropriate-for-gestational-age fetuses with low CPR MoM (22.3%) compared to small-for-gestational-age fetuses with normal CPR MoM (17.3%). CONCLUSION Lower fetal CPR, regardless of the fetal size, was independently associated with the need for operative delivery for presumed fetal compromise and with NNU admission at term. The extent to which fetal hemodynamic status could be used to predict perinatal morbidity and optimize the mode of delivery merits further investigation.
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Hurley DS, Sukal-Moulton T, Gaebler-Spira D, Krosschell KJ, Pavone L, Mutlu A, Dewald JPA, Msall ME. Systematic Review of Cerebral Palsy Registries/Surveillance Groups: Relationships between Registry Characteristics and Knowledge Dissemination. INTERNATIONAL JOURNAL OF PHYSICAL MEDICINE & REHABILITATION 2015; 3:266. [PMID: 27790626 PMCID: PMC5079705 DOI: 10.4172/2329-9096.1000266] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
The aims of this study were to provide a comprehensive summary of the body of research disseminated by Cerebral Palsy (CP) registries and surveillance programs from January 2009 through May 2014 in order to describe the influence their results have on our overall understanding of CP. Secondly, registries/surveillance programs and the work they produced were evaluated and grouped using standardized definitions and classification systems. METHOD A systematic review search in PubMed, CINAH and Embase for original articles published from 1 January 2009 to 20 May 2014 originating from or supported by population based CP registries and surveillance programs or population based national registries including CP were included. Articles were grouped by 2009 World CP Registry Congress aim, registry/surveillance program classification, geographical region, and the International Classification of Function, Disability and Health (ICF) domain. Registry variables were assessed using the ICF-CY classification. RESULTS Literature searches returned 177 articles meeting inclusion criteria. The majority (69%) of registry/surveillance program productivity was related to contributions as a Resource for CP Research. Prevention (23%) and Surveillance (22%) articles were other areas of achievement, but fewer articles were published in the areas of Planning (17%) and Raising the Profile of CP (2%). There was a range of registry/surveillance program classifications contributing to this productivity, and representation from multiple areas of the globe, although most of the articles originated in Europe, Australia, and Canada. The domains of the ICF that were primarily covered included body structures and function at the early stages of life. Encouragingly, a variety of CP registry/surveillance program initiatives included additional ICF domains of participation and environmental and personal factors. INTERPRETATION CP registries and surveillance programs, including novel non-traditional ones, have significantly contributed to the understanding of how CP affects individuals, families and society. Moving forward, the global CP registry/surveillance program community should continue to strive for uniformity in CP definitions, variables collected and consistency with international initiatives like the ICF so that databases can be consolidated for research use. Adaptation to new technologies can improve access, reduce cost and facilitate information transfer between registrants, researchers and registries/surveillance programs. Finally, increased efforts in documenting variables of individuals with CP into adulthood should be made in order to expand our understanding of CP across the lifespan.
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Affiliation(s)
- Donna S Hurley
- Department of Physical Therapy and Human Movement Sciences, Northwestern University, Chicago, IL, USA
| | - Theresa Sukal-Moulton
- Functional and Applied Biomechanics Section, Rehabilitation Medicine Department, Clinical Center, National Institutes of Health, Bethesda, MD, USA
| | | | - Kristin J Krosschell
- Department of Physical Therapy and Human Movement Sciences, Northwestern University, Chicago, IL, USA
| | | | - Akmer Mutlu
- Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Hacettepe University, Ankara, Turkey
| | - Julius PA Dewald
- Department of Physical Therapy and Human Movement Sciences, Northwestern University, Chicago, IL, USA
| | - Michael E Msall
- University of Chicago Comer Children’s Hospital and Kennedy Research Center on Intellectual and Neurodevelopmental Disabilities, Chicago, IL, USA
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24
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Blair EM, Nelson KB. Fetal growth restriction and risk of cerebral palsy in singletons born after at least 35 weeks' gestation. Am J Obstet Gynecol 2015; 212:520.e1-7. [PMID: 25448521 DOI: 10.1016/j.ajog.2014.10.1103] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Revised: 09/25/2014] [Accepted: 10/28/2014] [Indexed: 10/24/2022]
Abstract
OBJECTIVE The objective of the study was to improve the understanding of etiological paths to cerebral palsy (CP) that include fetal growth restriction by examining factors associated with growth restriction that modify CP risk. STUDY DESIGN In a total population of singletons born at or after 35 weeks, there were 493 children with CP and 508 matched controls for whom appropriateness of fetal growth could be estimated. Fetal growth was considered markedly restricted if birthweight was more than 2 SD below optimal for gender, gestation, maternal height, and parity. We examined maternal blood pressure in pregnancy, smoking, birth asphyxia, and major birth defects recognized by age 6 years as potential modifiers of CP risk in growth-restricted births. RESULTS More than 80% of term and late preterm markedly growth-restricted singletons were born following a normotensive pregnancy and were at statistically significantly increased risk of CP (odds ratio, 4.81; 95% confidence interval, 2.7-8.5), whereas growth-restricted births following a hypertensive pregnancy were not. Neither a clinical diagnosis of birth asphyxia nor potentially asphyxiating birth events occurred more frequently among growth-restricted than among appropriately grown infants with CP. Major birth defects, particularly cerebral defects, occurred in an increasing proportion of CP with increasing growth deficit. The factor most predictive of CP in growth-restricted singletons was a major birth defect, present in 53% of markedly growth-restricted neonates with later CP. Defects observed in CP were similar whether growth restricted or not, except for an excess of isolated congenital microcephaly in those born growth restricted. The highest observed CP risk was in infants with both growth restriction and a major birth defect (8.9% of total CP in this gestational age group, 0.4% of controls: odds ratio, 30.9; 95% confidence interval, 7.0-136). CONCLUSION The risk of CP was increased in antenatally growth-restricted singletons born at or near term to normotensive mothers. In growth-restricted singletons, a major birth defect was the dominant predictor, associated with a 30-fold increase in odds of CP. Identification of birth defects in the growth-restricted fetus or neonate may provide significant prognostic information.
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Freire G, Shevell M, Oskoui M. Cerebral palsy: phenotypes and risk factors in term singletons born small for gestational age. Eur J Paediatr Neurol 2015; 19:218-25. [PMID: 25596065 DOI: 10.1016/j.ejpn.2014.12.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Revised: 12/03/2014] [Accepted: 12/09/2014] [Indexed: 11/26/2022]
Abstract
BACKGROUND AND OBJECTIVES Children born small for gestational age (SGA) are at increased risk of developing cerebral palsy (CP). The pathophysiology behind this association remains unclear. We compare the clinical profile of children with CP born SGA to other children with CP. We hypothesize that differences noted will support antenatal causes of CP in children born SGA. METHODS We conducted a retrospective cohort study of term singletons with CP, extracting data from the Canadian Cerebral Palsy Registry. SGA was determined as birth weight for gestational age and sex below the tenth percentile. RESULTS Mothers of children with CP born SGA were more likely to be of African-American ethnicity (RR 2.54, 95% CI 1.20-5.39), have intrauterine infections (RR 2.22, 95% CI 1.09-4.50) and have gestational hypertension (RR 1.78, 95% CI 1.06-3.00). Children with CP born SGA had smaller head circumferences at birth (p < 0.001) and higher frequencies of emergency cesarean-section (RR 1.53, 95% CI 1.22-1.92), birth asphyxia (RR 1.53, 95% CI 1.0-2.32), and placental abnormalities (RR 1.45, 95% CI 1.00-2.10). Children with CP born SGA had greater fine motor (RR 1.46, 95% CI 1.02-2.11), gross motor (RR 1.53, 95% CI 1.12-2.10) and communication impairment (RR 1.24, 95% CI 1.10-1.40), and a higher frequency of cognitive impairment (RR 1.33, 95% CI 1.06-1.69). CONCLUSION Children with CP born SGA have different clinical factors and phenotypic profiles than other children with CP. These differences support the hypothesis of antenatal and perinatal causes of CP in children born SGA. Future case control studies would be desired to further define this causal pathway.
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Affiliation(s)
- Gabrielle Freire
- Department of Pediatrics, CHU Ste-Justine, McGill University, Canada
| | - Michael Shevell
- Departments of Pediatrics and Neurology & Neurosurgery, McGill University, Canada
| | - Maryam Oskoui
- Departments of Pediatrics and Neurology & Neurosurgery, McGill University, Canada.
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Williams J, Hyde C, Spittle A. Developmental Coordination Disorder and Cerebral Palsy: Is There a Continuum? CURRENT DEVELOPMENTAL DISORDERS REPORTS 2014. [DOI: 10.1007/s40474-014-0009-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Reid SM, Dagia CD, Ditchfield MR, Carlin JB, Meehan EM, Reddihough DS. An Australian population study of factors associated with MRI patterns in cerebral palsy. Dev Med Child Neurol 2014; 56:178-84. [PMID: 24428267 DOI: 10.1111/dmcn.12331] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/17/2013] [Indexed: 11/30/2022]
Abstract
AIM The aim of this study was to describe the distribution of magnetic resonance imaging (MRI) patterns in a large population sample of children with cerebral palsy (CP) and to examine associations between MRI patterns, and antenatal and perinatal variables. METHOD Data were retrieved from the Victorian CP Register for 884 children (527 males, 357 females) born between 1999 and 2006. Postneonatal MRI was classified for 594 children. For 563 children (329 males, 234 females) for whom classification was to a single MRI pattern, the frequency of each variable was compared between patterns and with the population frequency. RESULTS White matter injury was the most common MRI pattern (45%), followed by grey matter injury (14%), normal imaging (13%), malformations (10%), focal vascular insults (9%), and miscellaneous patterns (7%). Parity, birth gestation, level of neonatal care, Apgar score, and time to established respiration varied between MRI patterns (p<0.01). Nulliparity was most strongly associated with focal vascular insults, whereas multiparity was associated only with malformations. Grey matter injury was not associated with birth in a tertiary unit, but was strongly associated with severe perinatal compromise. The frequency of neonatal seizures and of nursery admissions was lowest among children with malformations. INTERPRETATION As known risk factors for CP are differentially associated with specific MRI patterns, future exploration of causal pathways might be facilitated when performed in pathogenically defined groups.
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Affiliation(s)
- Susan M Reid
- Developmental Disability and Rehabilitation Research, Murdoch Childrens Research Institute, Melbourne, Australia; Department of Paediatrics, University of Melbourne, Melbourne, Australia
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Dahlseng MO, Andersen GL, Irgens LM, Skranes J, Vik T. Risk of cerebral palsy in term-born singletons according to growth status at birth. Dev Med Child Neurol 2014; 56:53-8. [PMID: 24117018 DOI: 10.1111/dmcn.12293] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/08/2013] [Indexed: 11/28/2022]
Abstract
AIMS An excess risk of cerebral palsy (CP) has been reported in children of both low and high birthweight. However, the risk associated with deviations from the mean of other anthropometric measurements has been less well studied. The aim of our study therefore was to determine the association between size measurements at birth and incidence of CP in singletons born at term. METHOD Standard deviation z-scores for weight, length, head circumference, and ponderal index at birth of term-born singletons born between 1996 and 2006 were calculated using data from the Medical Birth Registry of Norway. The measurements of 398 children with CP recorded in the Cerebral Palsy Registry of Norway were compared with those of 490,022 typically developing infants. RESULTS Children with low birthweight (p<0.001; <10th centile) as well as low and high z-scores for length (p<0.001 and p<0.001) and head circumference (p<0.001 and p<0.003; <90th centile) had an excess risk of CP, in particular of spastic bilateral CP. Spastic unilateral CP was associated only with low z-scores, whereas children with the greatest body length and largest head circumference, but with low ponderal index, had an excess risk of spastic quadriplegic and dyskinetic CP. INTERPRETATION Our results are consistent with the notion that most subtypes of CP are due to antenatal factors leading to poor intrauterine growth, whereas CP in children who were large at birth is more likely to be due to intrapartum factors.
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Affiliation(s)
- Magnus Odin Dahlseng
- Department of Laboratory Medicine, Children's and Women's Health, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
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Predojević M, Talić A, Stanojević M, Kurjak A, Salihagić Kadić A. Assessment of motoric and hemodynamic parameters in growth restricted fetuses – case study. J Matern Fetal Neonatal Med 2013; 27:247-51. [DOI: 10.3109/14767058.2013.807241] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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