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  • Title: Familial prevalence among first-degree relatives of celiac disease in North India.
    Author: Grover R, Puri AS, Aggarwal N, Sakhuja P.
    Journal: Dig Liver Dis; 2007 Oct; 39(10):903-7. PubMed ID: 17723324.
    Abstract:
    BACKGROUND AND OBJECTIVES: Prevalence of celiac disease is increased in first-degree relatives with reported prevalence rates in the west between 2.8 and 10%. Paucity of similar data from Asia and the Indian subcontinent prompted us to determine the familial prevalence of celiac disease in first-degree relatives of patients diagnosed with this disorder in Northern India. METHODS: One hundred sixty-nine first-degree relatives (66 parents, 71 siblings and 32 children) of 53 probands were screened by using anti tissue transglutaminase antibodies. Duodenal biopsy was performed in all seropositive relatives and graded as per Marsh classification. Patients with both positive serology and biopsy suggestive of celiac disease were classified as typical celiac disease whereas those with only positive serology were classified as potential celiacs. RESULTS: The prevalence of celiac disease among first-degree relatives was 8.2% (14/169). The prevalence of celiac disease among siblings (15.6%) was much higher as compared to that in parents (3.5%) and offspring (3%). More than one family member was affected in 23% (12/53) of families. Of 14 new cases detected by targeted screening, 11 (78%) were overtly symptomatic with either chronic diarrhoea (8) or easy fatiguability (3). Growth retardation was seen in all six newly diagnosed children, three of whom (22%) were otherwise asymptomatic. Eight members detected to be seropositive had minimal changes on duodenal biopsy (Marsh I and II) suggesting that they have potential celiac disease. CONCLUSION: Familial prevalence of celiac disease in North India is similar to the data from the West. However unlike the situation in the West, the overwhelming majority of first-degree relatives in India are overtly symptomatic with majority having chronic diarrhoea. Since gluten restriction is a highly effective treatment modality, early detection of these patients would result in significant improvement in quality of life as manifested by cessation of diarrhoea and improvement in growth and lab parameters. Our data strongly supports the targeted screening of all first-degree relatives of celiac disease patients in north India.
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