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A MULTI-COUNTRY STUDY OF PREVALENCE AND EARLY CHILDHOOD MORTALITY AMONG CHILDREN WITH OMPHALOCELE
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12 2020
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Source: Birth Defects Res. 112(20):1787-1801
[PDF-496.06 KB]
Details:
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Alternative Title:Birth Defects Res
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Description:Objective:
Omphalocele is the second most common abdominal birth defect and often occurs with other structural and genetic defects. Little is known about rates, patterns and trends of mortality after the first year of life in diverse populations. The objective of this study was to determine the prevalence, time trends and mortality during early childhood for infants with omphalocele overall, by geographical region, and by presence of associated anomalies.
Methods:
We conducted a retrospective study with 23 birth defect surveillance systems in 18 countries who are members of the International Clearinghouse for Birth Defects Surveillance and Research, which submitted data on cases ascertained between 2000 and 2012. Approximately 16 million pregnancies that ended in livebirths, stillbirths, or elective terminations for fetal anomalies (ETOPFA) were surveyed and cases with omphalocele were included. Overall prevalence and mortality rates for specific time periods were calculated (24 hours, neonatal, infant and early childhood). We used Kaplan-Meier estimates with 95% confidence intervals (CI) to calculate cumulative mortality and joinpoint regression for time trend analyses.
Results:
Between 2000 and 2012, the prevalence of omphalocele was 2.6 per 10,000 births (95% CI: 2.5, 2.7). Prevalence decreased minimally during 2000-2012 (average annual percent change = −0.19%, P=0.52). The overall mortality rate for this period was 32.1% (95% CI: 30.2, 34.0). Most deaths occurred during the neonatal period and among children with multiple or syndromic omphalocele. Prevalence and mortality varied by registry type (e.g., hospital- vs. population-based) and inclusion or exclusion of ETOPFA.
Conclusions:
The prevalence of omphalocele did not change over time during the study period. Approximately one-third of children with omphalocele did not survive early childhood with most deaths occurring in the neonatal period.
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Pubmed ID:33067932
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Pubmed Central ID:PMC7722785
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