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This repository contains the published and unpublished research of the Faculty of Medicine by the staff members of the faculty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 'Mistakes in managing non-alcoholic fatty liver disease and how to avoid them'(Informa Health Care, 2023) Niriella, M.A.; Dassanayake, U.; de Silva, H.J.Non-alcoholic fatty liver disease (NAFLD) is the commonest cause of chronic liver disease. NAFLD is estimated to affect 25% of the global population. Therefore, it is widely encountered in primary care. A proportion of patients with NAFLD need a specialist referral, evaluation and follow-up.There have been many updated guidelines on the management of NAFLD in the past few years. Given the burden of NAFLD in the community and its cardiovascular and liver-related adverse outcomes, knowledge of evidence-based standards of care for these patients is essential for any practitioner managing patients with NAFLD. As an asymptomatic disease in the early stages, NAFLD can lead to many mistakes in its management.We aim to highlight some common mistakes in managing NAFLD and attempt to provide evidence-based recommendations.Item Genetic variants of NAFLD in an urban Sri Lankan community(Wiley Blackwell Scientific Publications, 2013) Niriella, M.A.; Kasturiratne, A.; Akiyama, K.; Takeuchi, F.; Isono, M.; Dassanayake, A.S.; de Silva, A.P.; Wickremasinghe, A.R.; Kato, N.; de Silva, H.J.OBJECTIVE: Recently, genome-wide association studies (GWAS) have successfully identified loci associated with susceptibility to non-alcoholic fatty liver disease (NAFLD) in populations of European descent. No large-scale genetic studies have been performed thus far in South Asian populations. Therefore, as part of a community-based cohort study in an urban adult population of Sri Lankans, we investigated associations of genetic variants with NAFLD, diagnosed on established ultrasound criteria, and its related phenotypes. METHODS: We selected 10 single nucleotide polymorphisms (SNPs), all previously reported to be associated with NAFLD in populations of European and/or South Asian ancestry, for a case-control replication study. They included loci derived from GWAS [PNPLA3 (rs738409), LYPLAL1 (rs12137855), GCKR (rs780094), PPP1R3B (rs4240624) and NCAN (rs2228603)] plus those from candidate gene studies [APOC3 (rs2854117 and rs2854116), ADIPOR2 (rs767870) and STAT3 (rs6503695 and rs9891119)]. Genotype data of 2988 participants were used for the analysis. RESULTS: A significant NAFLD association was observed for PNPLA3 (rs738409) [OR = 1.25, 95% CI 1.08–1.44, P = 0.003)]; rs738409 was also associated with a trend towards lower serum triglycerides APOC3 variants were significantly (P = 7.3–7.5 × 10–8) associated with higher triglycerides, but not with NAFLD (OR = 0.86). Apart from SNP–lipid associations previously reported at the GCKR, PPP1R3B and NCAN loci, there were no other prominent associations. CONCLUSION: Our data confirm that the PNPLA3 gene variant is significantly associated with NAFLD in the general Sri Lankan population but could not replicate previously reported disease associations at other loci, reinforcing the importance of further large-scale study on genetic variants in diverse populations to better understand the pathophysiology of NAFLD.Item Is Past exposure to hepatitis a protective against progressive fibrosis in non-alcoholic fatty liver disease?(Wiley-Blackwell, 2008) de Silva, A.P.; Kasturiratne, A.; Liyanage, D.L.; Karunanayaka, T.K.; Hewavisenthi, S.J.de S.; Dassanayake, A.S.; Farrell, G.C.; de Silva, H.J.No Abstract AvailableItem Severe fatty change with hepatocellular necrosis following bite by a Russell's viper(Oxford University Press, 1992) de Silva, H.J.; Ratnatunga, N.; de Silva, U.; Kularatne, W.N.S.; Wijewickrema, R.No Abstract Available