Medicine
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This repository contains the published and unpublished research of the Faculty of Medicine by the staff members of the faculty
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Item Changing phenotype, early clinical course and clinical predictors of inflammatory bowel disease in Sri Lanka: a retrospective, tertiary care-based, multi-centre study(BioMed Central, 2021) Niriella, M.A.; Liyanage, I.K.; Kodisinghe, S.K.; de Silva, A.P.; Jayatissa, A.V.G.A.M.; Navarathne, N.M.M.; Peiris, R.K.; Kalubovila, U.P.; Kumarasena, S.R.; Jayasekara, R.W.; de Silva, H.J.BACKGROUND: Inflammatory bowel disease (IBD) is increasing in the Asia-Pacific region, with changes in disease phenotype and course. We aimed to assess the changing phenotypes of IBD over ten years, describe the early clinical course (ECC) and identify the clinical predictors (CP) of poor outcomes among a large, multi-centre, cohort of Sri Lankan IBD patients. METHODS: We included patients [diagnosed between June/2003-December/2009-Group-1(G1), January/2010-June/2016-Group-2(G2)] with ulcerative colitis (UC) and Crohn disease (CD) from five national-referral centres. Changing phenotype from G1 to G2, ECC (disease duration < 3-years) and CP of poor outcomes (disease duration ≥ 1-year) was assessed. Poor outcomes were complicated-disease (CompD-stricturing/penetrating-CD, extensive-UC/pancolitis, perforation/bleeding/colectomy/malignancy) and treatment-refractory disease (TRD-frequently-relapsing, steroid-dependent/refractory and biologic use). RESULTS: 375 (UC-227, CD-148) patients were recruited. Both G1/G2 had more UC than CD (77% vs 23%, 54.5 vs 45.5 respectively, p < 0.01). Increase of CD from G1-to-G2 was significant (23-45.4%, p < 0.001). In both groups, left-sided colitis (E2) and ileo-colonic (L3)/non-stricturing, non-penetrating disease behaviour (B1) CD predominated. Extensive-colitis (E3) (36.4% vs 22.7, p < 0.05) and stricturing-CD (B2) (26.1% vs 4.0%, p < 0.01) was commoner in G1. ECC was assessed in 173-patients (UC-94, CD-79). Aggressive disease behaviour and TRD were low among both UC and CD. Immunomodulator use was significantly higher among CD than UC (61.5% vs 29.0% respectively, p < 0.01). Anti-TNF use was low among both groups (UC-3.2%, CD-7.7%). Disease complications among UC [bleeding (2.1%), malignancy-(1.1%), surgery-(2.1%)] and CD [stricture-(3.9%), perforation-(1.3%), malignancy-(1.3%), surgery-(8.9%)] were generally low. CPs were assessed in 271-patients (UC-163, CD-108). Having a family history of IBD (for UC), extraintestinal manifestation (EIM), severe disease at presentation, being in younger age categories and severe disease at presentation, (for both UC and CD) predicted poor outcomes. CONCLUSION: There was an increase in CD over time without change in disease phenotype for both UC and CD. A relatively benign ECC was observed. Family history (UC), EIMs (UC/CD), severe disease at presentation (UC/CD), younger age (CD/UC) CPs of poor outcomes. KEYWORDS: Clinical course; Clinical predictors; Crohn disease; Inflammatory bowel disease; Phenotype; Sri Lanka; Ulcerative colitis.Item Changing phenotype, early clinical course and clinical predictors of irritable bowel syndrome in Sri Lanka: a prospective, multi-centre descriptive study(Sri Lanka Medical Association, 2017) Niriella, M.A.; Kodisinghe, S.K.; Nanayakkara, S.D.; Silva, K.T.M.; Rajapakshe, N.; Luke, D.; de Silva, A.P.; Navarathne, N.M.M.; Dissanayake, V.H.W.; Jayasekara, R.W.; de Silva, H.J.INTRODUCTION & OBJECTIVES: Incidence of inflammatory bowel disease (IBD) is increasing in the Asia Pacific, with changes in phenotype and disease course been reported. METHODS: Ulcerative colitis (UC) and Crohn disease (CD) cases from four national referral centres were included. Phenotype was compared for cases [Group-1/G1-diagnosed between June/2003-December/2009, Group-2/G2-January/2010-June/2016]. Early clinical course (ECC) [complicated disease (Comp D-stricturing/penetrating CD, extensive-UC/pancolitis), treatment refractory disease (TRD-frequently-relapsing, steroid-dependent/refractory, biologics), disease complications (DC-perforation/bleeding/colectomy/malignancy)] among disease duration <3 years, and clinical predictors (CP) of CompD/TRD/DC among disease duration >1 year were also assessed. RESULTS: A total of 452-cases [G1: UC-89 (78.8%), CD-24 (21.2%); G2: UC-197 (58.1%), CD-142 (41.9%)] were included. G2 had a higher proportion of CD (p<0.001). In both groups, leftsided colitis (E2) for UC, ileo-colonic (L3)/non-stricturing, non-penetrating (B1) for CD predominated. More penetrating-CD (B3) in G2 (p<0.01) and more stricturing-CD (B2) in G1 (p<0.05) were noted. ECC was assessed in 293 patients [UC-168 (57.3%), CD-125 (42.7%)]. Among UC: extensive/pan-colitis (E3)-40 (24.5%), severe (S3)-38 (42.2%); among CD:severe episodes-15 (25.9%), stricturing (B2)/penetrating(B3)-18 (14.7%), perianal-disease (P)-29 (23.4%). TRD was seen in 19 (11.3%)-UC and 17 (10.1%)-CD. Immunomodulator use was-70 (41.7%)/93 (74.4%), and anti-TNF use was 3 (1.8%)/12 (9.6%) respectively for UC and CD. Complications for UC: bleeding-6 (3.6%), malignancy-1 (0.6%), surgery-3 (1.8%); for CD: stricture-6 (4.9%), perforation-3 (2.4%), malignancy-1 (0.8%), surgery-2 (1.6%). CP were assessed in 373 [UC-266 (71.3%), CD 107 (28.7%)]. EIM of joints predicted CompD in UC/CD (OR-1.94/OR-2.28). Family history (OR=8.64) and EIM of joints (OR=10.07) predicted DC in UC. CONCLUSION: There was an increase in CD during the study period, but no changes in disease phenotype for UC or CD. Although admissions with CompD were common for UC (but not CD), few patients had TRD or DCs indicating a relatively benign early disease course. Family history, EIM of joints predicted poor outcomes in UC, EIM of joints predicted a poor outcome in CD.