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Inbreeding and congenital heart diseases in a North Indian population

Inbreeding and congenital heart diseases in a North Indian population The study was performed in six mohallahs (colonies) of Aligarh City (North India). All six mohallahs are predominantly inhabited by Qureshi (meat sellers, a highly endogamous group) Muslims. A total of 1721 infants and children up to the age of 6 years were examined to determine the incidence of congenital heart diseases (CHD) in relation to the degree of consanguinity of the parents. Around 43% of the subjects were the offspring of consanguineous marriages including second-cousin, first-cousin-once-removed and first-cousin. A higher percentage of CUD was found in the offspring of consanguineous marriages: about 3.37% out of 741 children as compared to 1.22% in 980 offspring of non-consanguineous marriages, whereas in the first-cousin offspring, the percentage of CHD rose to 4.41%. The differences were found to be statistically significant. The present study suggests a genetic influence and also casts doubt on the applicability of a polygenic threshold model to all forms of cardiac malformation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Clinical Genetics Wiley

Inbreeding and congenital heart diseases in a North Indian population

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References (36)

Publisher
Wiley
Copyright
1994 Blackwell Munksgaard
ISSN
0009-9163
eISSN
1399-0004
DOI
10.1111/j.1399-0004.1994.tb04032.x
Publisher site
See Article on Publisher Site

Abstract

The study was performed in six mohallahs (colonies) of Aligarh City (North India). All six mohallahs are predominantly inhabited by Qureshi (meat sellers, a highly endogamous group) Muslims. A total of 1721 infants and children up to the age of 6 years were examined to determine the incidence of congenital heart diseases (CHD) in relation to the degree of consanguinity of the parents. Around 43% of the subjects were the offspring of consanguineous marriages including second-cousin, first-cousin-once-removed and first-cousin. A higher percentage of CUD was found in the offspring of consanguineous marriages: about 3.37% out of 741 children as compared to 1.22% in 980 offspring of non-consanguineous marriages, whereas in the first-cousin offspring, the percentage of CHD rose to 4.41%. The differences were found to be statistically significant. The present study suggests a genetic influence and also casts doubt on the applicability of a polygenic threshold model to all forms of cardiac malformation.

Journal

Clinical GeneticsWiley

Published: Jun 1, 1994

Keywords: consanguinity; congenital heart disease; North Indian population

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