Digital Repository, University of Kelaniya Medicine Journal/Magazine Articles

 
Please use this identifier to cite or link to this item: http://repository.kln.ac.lk/handle/123456789/1947
Title: Prevalence of inflammatory bowel disease in two districts of Sri Lanka: a hospital based survey
Authors: Niriella, M.A.
de Silva, A.P.
Dayaratne, A.H.G.K.
Ariyasinghe, M.H.A.D.P.
Navarathne, M.M.N.
Peiris, R.S.K.
Samarasekara, D.
Satarasinghe, R.L.
Rajindrajith, S.
Dassanayake, A.S.
Wickremasinghe, A.R.
de Silva, H.J.
Keywords: Inflammatory Bowel Diseases
Inflammatory Bowel Diseases-diagnosis
Inflammatory Bowel Diseases-epidemiology
Hospitals, District
Prevalence
Retrospective Studies
Sri Lanka-epidemiology
Issue Date: 2010
Publisher: BioMed Central
Citation: BMC Gastroenterology; 10: pp.32
Abstract: BACKGROUND: Inflammatory bowel disease (IBD) is being increasingly diagnosed in Asia. However there are few epidemiological data from the region. METHODS: To determine prevalence and clinical characteristics of IBD, a hospital-based survey was performed in the Colombo and Gampaha districts (combined population 4.5 million) in Sri Lanka. Patients with established ulcerative colitis (UC) and Crohn's disease (CD), who were permanent residents of these adjoining districts, were recruited from hospital registries and out-patient clinics. Clinical information was obtained from medical records and patient interviews. RESULTS: There were 295 cases of IBD (UC = 240, CD = 55), of which 34 (UC = 30, CD = 4) were newly diagnosed during the study year. The prevalence rate for UC was 5.3/100,000 (95% CI 5.0-5.6/100,000), and CD was 1.2/100,000 (95% CI 1.0-1.4/100,000). The incidence rates were 0.69/100,000 (95% CI 0.44-0.94/100,000) for UC and 0.09/100,000 (95% CI 0.002-0.18/100,000) for CD. Female:male ratios were 1.5 for UC and 1.0 for CD. Mean age at diagnosis was (males and females) 36.6 and 38.1y for UC and 33.4 and 36.2y for CD. Among UC patients, 51.1% had proctitis and at presentation 58.4% had mild disease. 80% of CD patients had only large bowel involvement. Few patients had undergone surgery. CONCLUSIONS: The prevalence of IBD in this population was low compared to Western populations, but similar to some in Asia. There was a female preponderance for UC. UC was mainly mild, distal or left-sided, while CD mainly involved the large bowel.
URI: http://repository.kln.ac.lk/handle/123456789/1947
ISSN: 1471-230X (Electronic)
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