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This repository contains the published and unpublished research of the Faculty of Medicine by the staff members of the faculty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 Predictors of mortality in a cohort of adult Sri Lankans(Sri Lanka Medical Association., 2019) Kasturiratne, A.; Beddage, T.; de Silva, S.T.; Niriella, M.A.; Pathmeswaran, A.; Kato, N.; Wickremasinghe, A.R.; de Silva, H.J.INTRODUCTION & OBJECTIVES: There is limited knowledge on early predictors of mortality among Sri Lankans. We investigated predictors of mortality in the Ragama Health Study cohort 10 years after recruitment. METHODS: The study population (35-64-year-olds selected by age-stratified random sampling from the Ragama Medical Officer of Health area) was initially screened in 2007 for socio-demographic, lifestyle, anthropometric and clinical risk factors with informed written consent. Their vital status was assessed in 2017 and the causes of death of the deceased were retrieved from death certificates available with the next-of-kin or declaration of death records from the hospital where the death occurred. RESULTS: Of the 2986 enrolled in 2007, 169 [Males: 107 (63.3%)] had died over the 10-year period, giving an overall mortality rate of 5.7% (95% CI: 5.0 % - 6.4%). The number of deaths due to cardiovascular and cancer related causes were 73/169 and 31/169, respectively. On multivariate analysis using Cox's proportional hazards model, advancing age, male sex, lower educational level, unsafe alcohol consumption and the presence of metabolic syndrome at baseline were independent predictors of all-cause mortality. Advancing age, male sex, unsafe alcohol consumption and the presence of metabolic syndrome at baseline were independent predictors of cardiovascular mortality, while advancing age and unsafe alcohol consumption were the only independent predictors of cancer-related mortality. CONCLUSION: Unsafe alcohol consumption and the presence of metabolic syndrome were important modifiable risks for mortality in this population. Addressing these risks in early adulthood will help to improve longevity.Item Incidence and predictors of Diabetes Mellitus: A 7- year community cohort follow-up of urban, adult Sri Lankans(Sri Lanka Medical Association., 2019) de Silva, S.T.; Ediriweera, D.; Beddage, T.; Kasturiratne, A.; Niriella, M.A.; de Silva, A.P.; Dassanayake, A.S.; Pathmeswaran, A.; Kato, N.; Wickremasinghe, A.R.INTRODUCTION & OBJECTIVES: There is limited data on incidence of type 2 diabetes mellitus (T2DM) from South Asia. We investigated incidence and predictors ofT2DM in an urban, adult population after seven-years of follow-up. METHODS: The study population (42-71 year-olds in 2014, selected by age-stratified random sampling from the Ragama MOH area) was initially screened in 2007 and re-evaluated in 2014 with informed written consent. On both occasions they were assessed by structured interview, anthropometric measurements, liver ultrasound, biochemical and serological tests. RESULTS: Of the 2986 enrolled in 2007, 737 had established T2DM giving a baseline prevalence of 24.7% (95% CI: 23.1%-26.2%). 2148/2984 (71.6%) of the original cohort attended follow-up [1237 (57.5%) women; median (IQR) 60 (54-66) years]. 1650 participants who did not have T2DM in 2007 presented for follow up; 436 (27.6%) of them had developed new T2DM by 2014, giving an annual incidence of 3.9% (95% CI: 3.0%-4.9%). Of 525 participants with pre-diabetes (HbA1c 5.7-6.4%) in 2007, 364 attended follow up and 201/364 (55.1%) had developed T2DM by 2014, giving an annual conversion rate of pre-diabetes to T2DM of 7.9%. On logistic regression, pre-diabetes (OR:4.4;95%CI:3.3%-6.0%), central obesity (OR: 1.8;95%CI: 1.3%-2.4%), dyslipidemia (OR: l.5;95%CI: 1.1 %-2.1 %) and non-alcoholic fatty liver disease (NAFLD) (OR:1.5;95%CI: 1.1 %-2.1%) showed significant association with incident T2DM. CONCLUSION: In this urban cohort, the annual incidence of T2DM was 3.9% and the annual conversion rate of pre-diabetes to T2DM was 7.9%. Our findings emphasize the need for targeted and intensive lifestyle interventions for individuals with high metabolic risk to prevent T2DM.