Related Experiment Videos
Risk factors for congenital heart diseases in Alexandria, Egypt
A Bassili1, S A Mokhtar, N I Dabous
1Department of Medical Statistics, Medical Research Institute, Alexandria University, Egypt. amalot@yahoo.com
Insights
Congenital heart disease risk factors include parental age, consanguinity, and environmental exposures. These factors vary by specific heart defect type, highlighting the need for public awareness and pre-marital counseling.
Area of Science:
- Pediatrics
- Genetics
- Environmental Health
Background:
- Congenital heart diseases (CHDs) are a significant global health concern.
- Identifying risk factors is crucial for prevention and early intervention strategies.
- Previous research indicates a multifactorial etiology for CHDs.
Purpose of the Study:
- To investigate the risk factors associated with the occurrence of congenital heart diseases in a specific population.
- To differentiate environmental and genetic influences on various types of CHDs.
Main Methods:
- A matched case-control study design was employed.
- Data were collected from children's hospitals in Alexandria, Egypt, over a two-year period.
- Risk factors analyzed included demographic, familial, occupational, and medical history variables.
Main Results:
- Older paternal age, consanguinity, family history, hormonal exposures, irradiation, hazardous maternal occupation, diabetes mellitus, and residence (suburban/rural) were significant risk factors for CHDs, particularly ventricular septal defects.
- Environmental/teratogenic factors were not implicated in the etiology of atrial septal defects or pulmonary stenosis.
- Risk factor profiles differed based on the specific type of congenital heart disease.
Conclusions:
- Environmental factors play a role in CHD development, but their influence varies significantly by defect type.
- Public education on pre-marital counseling and teratogenic effects is essential for CHD prevention.
- Further research is needed to elucidate the complex interplay of genetic and environmental factors in CHDs.
Abstract:
A matched case control study has been conducted in the children's hospitals in Alexandria, Egypt, during 2 years-period, aiming at investigating the risk factors for the occurrence of congenital heart diseases. Our results showed that the significant risk factors for developing any type of congenital heart disease and ventricular septal defects were: older paternal age at birth, positive consanguinity, positive family history, female sex hormones, irradiation, hazardous maternal occupation, diabetes mellitus and suburban or rural residence. However, some environmental/teratogenic factors were not implicated in the etiology of atrial septal defects or pulmonary stenosis. These findings strongly suggest that environmental factors vary according to the specific type of congenital heart disease. This study emphasizes on the need to instruct the public about the importance of pre-marital counseling and the deleterious effects of various teratogens in the environment.