Risk factors in congenital heart disease

Shahla Roodpeyma1, Zinat Kamali, Farnoush Afshar

  • 1Department of Pediatrics, Taleghani Hospital, Shaheed Beheshti University of Medical Sciences, Tehran, Iran.

Clinical Pediatrics
|December 5, 2002
PubMed

Insights

Genetic and chromosomal abnormalities are significant risk factors for congenital heart disease (CHD). Environmental and reproductive factors showed no significant association in this case-control study.

Area of Science:

  • Medical Genetics
  • Pediatric Cardiology
  • Reproductive Health

Background:

  • Congenital heart disease (CHD) is a significant global health concern.
  • Identifying risk factors for CHD is crucial for prevention and early intervention.

Purpose of the Study:

  • To investigate risk factors associated with congenital heart disease (CHD) in a pediatric population.
  • To differentiate between genetic, environmental, and reproductive risk factors for CHD.

Main Methods:

  • A case-control study involving 346 children with CHD and 346 controls.
  • Review of medical records to assess ten potential risk factors.
  • Statistical analysis including odds ratios (OR) and confidence intervals (CI).

Main Results:

  • Extracardiac malformations (OR, 31.1) and chromosomal abnormalities (OR, 34.05) were strongly associated with CHD.
  • Dysmorphic syndromes and a family history of CHD in siblings were also significant risk factors.
  • Maternal factors like illness, drug use, pregnancy history, parental consanguinity, and parental cardiac lesions were not significant risk factors.

Conclusions:

  • Genetic factors, including chromosomal abnormalities and extracardiac malformations, play a more prominent role in CHD occurrence than environmental or reproductive factors.
  • Early identification of genetic predispositions is vital for managing congenital heart disease.

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