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[Parental smoking during early pregnancy and congenital heart defects]

Ghassan Chehab1, Issam El-Rassi, Atika Adhami

  • 1Pediatric Department, CHU Hôtel-Dieu de France, Beirut ,Lebanon. ChehabGh@cyberia.net.lb

Le Journal Medical Libanais. the Lebanese Medical Journal
|June 1, 2012
PubMed

Insights

Parental smoking during early pregnancy is linked to congenital heart defects like valvar pulmonary stenosis and coarctation of the aorta. Quitting smoking before pregnancy may reduce these risks.

Area of Science:

  • Cardiology
  • Public Health
  • Reproductive Health

Context:

  • Congenital heart defects (CHD) are a significant global health concern.
  • Parental lifestyle factors, including smoking, are investigated for their impact on fetal development.
  • Understanding environmental influences during early pregnancy is crucial for prevention strategies.

Purpose:

  • To investigate the association between parental smoking during early pregnancy and the incidence of various congenital heart defects (CHD).
  • To identify specific types of CHD that may be linked to parental smoking.
  • To provide evidence for public health recommendations regarding smoking cessation.

Summary:

  • A 4.5-year study analyzed echocardiography data from 3259 children, comparing those with and without CHD.
  • Maternal smoking of ≥20 cigarettes/day was associated with valvar pulmonary stenosis (VPS).
  • Both parents smoking ≥20 cigarettes/day correlated with VPS and coarctation of the aorta.

Impact:

  • Parental smoking, particularly heavy smoking, is identified as a modifiable risk factor for specific CHDs.
  • Findings suggest that parental smoking cessation before conception could lower the occurrence of VPS and coarctation of the aorta.
  • Highlights the importance of preconception counseling on smoking cessation for expectant parents.
Abstract

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