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Sökning: L773:1365 3016 > (2015-2019)

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  • Bakker, Marian K., et al. (författare)
  • Analysis of Mortality among Neonates and Children with Spina Bifida : An International Registry-Based Study, 2001-2012
  • 2019
  • Ingår i: Paediatric and Perinatal Epidemiology. - : Wiley. - 0269-5022 .- 1365-3016. ; 33:6, s. 436-448
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Medical advancements have resulted in better survival and life expectancy among those with spina bifida, but a significantly increased risk of perinatal and postnatal mortality for individuals with spina bifida remains. Objectives: To examine stillbirth and infant and child mortality among those affected by spina bifida using data from multiple countries. Methods: We conducted an observational study, using data from 24 population- and hospital-based surveillance registries in 18 countries contributing as members of the International Clearinghouse for Birth Defects Surveillance and Research (ICBDSR). Cases of spina bifida that resulted in livebirths or stillbirths from 20 weeks' gestation or elective termination of pregnancy for fetal anomaly (ETOPFA) were included. Among liveborn spina bifida cases, we calculated mortality at different ages as number of deaths among liveborn cases divided by total number of liveborn cases with spina bifida. As a secondary outcome measure, we estimated the prevalence of spina bifida per 10 000 total births. The 95% confidence interval for the prevalence estimate was estimated using the Poisson approximation of binomial distribution. Results: Between years 2001 and 2012, the overall first-week mortality proportion was 6.9% (95% CI 6.3, 7.7) and was lower in programmes operating in countries with policies that allowed ETOPFA compared with their counterparts (5.9% vs. 8.4%). The majority of first-week mortality occurred on the first day of life. In programmes where information on long-term mortality was available through linkage to administrative databases, survival at 5 years of age was 90%-96% in Europe, and 86%-96% in North America. Conclusions: Our multi-country study showed a high proportion of stillbirth and infant and child deaths among those with spina bifida. Effective folic acid interventions could prevent many cases of spina bifida, thereby preventing associated childhood morbidity and mortality.
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  • Derraik, Jose G. B., et al. (författare)
  • Body Mass Index, Overweight, and Obesity in Swedish Women Born Post-term
  • 2016
  • Ingår i: Paediatric and Perinatal Epidemiology. - : Wiley. - 0269-5022 .- 1365-3016. ; 30:4, s. 320-324
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundThere is increasing evidence that post-term birth (42 weeks of gestation) is associated with adverse long-term outcomes. We assessed whether women born post-term displayed increased risk of overweight and obesity in adulthood. MethodsData were collected at first antenatal visit (similar to 10-12 weeks of gestation) on singleton Swedish women aged 18 years in 1991-2009 (mean age 26.1 years), who were born post-term (n = 27 153) or at term (37-41 weeks of gestation; n = 184 245). Study outcomes were evaluated for continuous associations with gestational age. Stratified analyses were carried out comparing women born post-term or at term. Analyses were also run with a 2-week buffer between groups to account for possible errors in gestational age estimation, comparing women born very post-term (43 weeks of gestation; n = 5761) to those born within a narrower term window (38-40 weeks of gestation; n = 130 110). ResultsIncreasing gestational age was associated with greater adult weight and body mass index (BMI). Stratified analyses showed that women born post-term were 0.5 kg heavier and had BMI 0.2 kg/m(2) greater than those born at term. Differences were more marked between women born very post-term (43 weeks) vs. a narrower term group (38-40 weeks): 1.0 kg and 0.3 kg/m(2). The adjusted relative risks of overweight/obesity and obesity in women born very post-term were 1.13 and 1.12 times higher, respectively, than in those born at term. ConclusionsPost-term birth is associated with greater BMI and increased risk of overweight and obesity in adulthood, particularly among women born 43 weeks of gestation.
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  • Juárez, Sol P., et al. (författare)
  • Caesarean birth is associated with both maternal and paternal origin in immigrants in Sweden : a population-based study
  • 2017
  • Ingår i: Paediatric and Perinatal Epidemiology. - : Wiley. - 0269-5022 .- 1365-3016. ; 31:6, s. 509-521
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: To investigate the association between maternal country of birth and father's origin and unplanned and planned caesarean birth in Sweden.METHODS: Population-based register study including all singleton births in Sweden between 1999 and 2012 (n = 1 311 885). Multinomial regression was conducted to estimate odds ratios (OR) for unplanned and planned caesarean with 95% confidence intervals for migrant compared with Swedish-born women. Analyses were stratified by parity.RESULTS: Women from Ethiopia, India, South Korea, Chile, Thailand, Iran, and Finland had statistically significantly higher odds of experiencing unplanned (primiparous OR 1.10-2.19; multiparous OR 1.13-2.02) and planned caesarean (primiparous OR 1.18-2.25; multiparous OR 1.13-2.46). Only women from Syria, the former Yugoslavia and Germany had consistently lower risk than Swedish-born mothers (unplanned: primiparous OR 0.76-0.86; multiparous OR 0.74-0.86. Planned; primiparous OR 0.75-0.82; multiparous OR 0.60-0.94). Women from Iraq and Turkey had higher odds of an unplanned caesarean but lower odds of a planned one (among multiparous). In most cases, these results remained after adjustment for available social characteristics, maternal health factors, and pregnancy complications. Both parents being foreign-born increased the odds of unplanned and planned caesarean in primiparous and multiparous women.CONCLUSIONS: Unplanned and planned caesarean birth varied by women's country of birth, with both higher and lower rates compared with Swedish-born women, and the father's origin was also of importance. These variations were not explained by a wide range of social, health, or pregnancy factors.
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  • Karalexi, M A, et al. (författare)
  • History of Maternal Fetal Loss and Childhood Leukaemia Risk in Subsequent Offspring : Differentials by Miscarriage or Stillbirth History and Disease Subtype.
  • 2015
  • Ingår i: Paediatric and Perinatal Epidemiology. - : Wiley. - 0269-5022 .- 1365-3016. ; 29:5, s. 453-61
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Despite the putative intrauterine origins of childhood (0-14 years) leukaemia, it is complex to assess the impact of perinatal factors on disease onset. Results on the association of maternal history of fetal loss (miscarriage/stillbirth) with specific disease subtypes in the subsequent offspring are in conflict. We sought to investigate whether miscarriage and stillbirth may have different impacts on the risk of acute lymphoblastic leukaemia (ALL) and of its main immunophenotypes (B-cell and T-cell ALL), as contrasted to acute myeloid leukaemia (AML).METHODS: One thousand ninety-nine ALL incidents (957 B-ALL) and 131 AML cases along with 1:1 age and gender-matched controls derived from the Nationwide Registry for Childhood Hematological Malignancies and Brain Tumors (1996-2013) were studied. Multivariable regression models were used to assess the roles of previous miscarriage(s) and stillbirth(s) on ALL (overall, B-, T-ALL) and AML, controlling for potential confounders.RESULTS: Statistically significant exposure and disease subtype-specific associations of previous miscarriage(s) exclusively with AML [odds ratio (OR) 1.67, 95% confidence interval (CI) 1.00, 2.81] and stillbirth(s) with ALL [OR 4.82, 95% CI 1.63, 14.24] and B-ALL particularly, emerged.CONCLUSION: Differential pathophysiological pathways pertaining to genetic polymorphisms or cytogenetic aberrations are likely to create hostile environments leading either to fetal loss or the development of specific leukaemia subtypes in subsequent offspring, notably distinct associations of maternal miscarriage history confined to AML and stillbirth history confined to ALL (specifically B-ALL). If confirmed and further supported by studies revealing underlying mechanisms, these results may shed light on the divergent leukemogenesis processes.
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