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Descriptive epidemiology of non-syndromic complete atrioventricular canal defects

A J Agopian1, Mousumi Moulik, Monesha Gupta-Malhotra

  • 1Center for Human Genetics, Division of Epidemiology, Human Genetics and Environmental Sciences, University of Texas School of Public Health, Houston, TX 77030 USA.

Paediatric and Perinatal Epidemiology
|October 16, 2012
PubMed

Insights

Maternal diabetes and obesity are linked to an increased risk of non-syndromic complete atrioventricular canal defects (CAVC) in infants. This study highlights these conditions as significant risk factors for this common heart defect.

Area of Science:

  • Cardiology
  • Pediatric Cardiology
  • Public Health

Background:

  • Complete atrioventricular canal defects (CAVC) are prevalent congenital heart conditions.
  • Epidemiologic data on non-syndromic CAVC and its risk factors remain limited.
  • Understanding risk factors is crucial for prevention and early intervention strategies.

Purpose of the Study:

  • To investigate the association between parental sociodemographic and reproductive factors and the risk of non-syndromic CAVC in offspring.
  • Specifically, to examine the roles of maternal diabetes and obesity as potential risk factors.

Main Methods:

  • Utilized data from the Texas Birth Defects Registry, a population-based registry.
  • Conducted Poisson regression analyses on 563 cases of non-syndromic CAVC.
  • Evaluated sociodemographic and reproductive parental factors, including diabetes and obesity.

Main Results:

  • Maternal pregestational diabetes showed a significant association (aPR 6.74; 95% CI 3.67, 12.37).
  • Gestational diabetes was also associated with increased risk (aPR 1.69; 95% CI 1.03, 2.79).
  • Maternal obesity demonstrated a significant association (aPR 1.69; 95% CI 1.24, 2.30).

Conclusions:

  • Non-syndromic CAVC is identified as a birth defect associated with maternal diabetes.
  • Maternal obesity is also linked to an increased risk of non-syndromic CAVC.
  • These findings contribute to the understanding of risk factors for congenital heart defects.
Abstract

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