Annals of Thoracic Medicine Official publication of the Saudi Thoracic Society, affiliated to King Saud University
 
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ORIGINAL ARTICLE
Year : 2008  |  Volume : 3  |  Issue : 2  |  Page : 41-43

Does consanguinity increase the risk of bronchial asthma in children?


1 Department of Pediatrics, King Saud University, Riyadh, Saudi Arabia
2 The Children's Hospital Medical Complex, Riyadh, Saudi Arabia
3 Al yammama Hospital, Riyadh, Saudi Arabia

Correspondence Address:
Mohammad I El Mouzan
Department of Pediatrics, King Saud University, P. O. Box 2925, Riyadh 11461
Saudi Arabia
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DOI: 10.4103/1817-1737.39634

PMID: 19561903

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There is a high prevalence of consanguinity and bronchial asthma in Saudi Arabia. The objective of this study is to explore the effect of parental consanguinity on the occurrence of bronchial asthma in children. The study sample was determined by multistage random probability sampling of Saudi households. The families with at least one child with asthma were matched with an equal number of families randomly selected from a list of families with healthy children, the latter families being designated as controls. There were 103 families with children having physician-diagnosed bronchial asthma, matched with an equal number of families with no children with asthma. This resulted in 140 children with bronchial asthma and 295 children from controls. The age and gender distribution of the children with bronchial asthma and children from controls were similar. There were 54/103 (52.4%) and 61/103 (59.2%) cases of positive parental consanguinity in asthmatic children and children from controls respectively ( P = 0.40). Analysis of consanguinity status of the parents of children with asthma and parents among controls indicates that 71/140 (51%) of the children with asthma and 163/295 (55.3%) of the children from controls had positive parental overall consanguinity ( P = 0.43). The results of this study suggest that parental consanguinity does not increase the risk of bronchial asthma in children.


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