Risk factors for ventricular septal defect in finland
β Scribed by J. Tikkanen; O.P. Heinonen
- Book ID
- 117200550
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 915 KB
- Volume
- 105
- Category
- Article
- ISSN
- 0033-3506
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A case-control study using data from the Baltimore-Washington Infant Study (BWIS) examined possible paternal risk factors in the etiology of isolated membranous ventricular septal defects (VSD). There were 641 total VSD case infants and 3,549 randomly selected control infants ascertained between 198
## Abstract ## Background Several studies have shown that the prevalence of ventricular septal defects (VSDs) has increased significantly in the United States in the past 30 years. This increase has been primarily attributed to increased detection through echocardiography. However, little is known
The possible effect of environmental factors during pregnancy on the occurrence of atrial septal defect (ASD-secundum) in the offspring was studied in 50 cases and 756 controls. The cases represented all verified ASDs in Finland during 1982-1983. The controls were randomly selected from all infants