Conference Papers
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This collection contains abstracts of conference papers, presented at local and international conferences by the staff of the Faculty of Medicine
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Item OP59 Ultra-processed food consumption in South Asia: quantification of regional variation in intakes and the assessment of their sociodemographic correlates. Findings from the South Asia Biobank in four South Asian countrie(BMJ, 2024) Bhagtani, D.; Adams, J.; Imamura, F.; Lahiri, A.; Irfan, K.; Jha, V.; Kasturiratne, A.; Katulanda, P.; Mridha, M.; Anjana, R.M.BACKGROUND Escalation of ultra-processed foods (UPFs) sales has been recorded in low-to-middle-income countries, including in South Asia. However, individual consumption levels and sociodemographic characteristics influencing UPF consumption remain largely unknown in South Asia. We aimed to quantify UPF consumption and investigate its sociodemographic correlates in South Asia.METHODS We analysed data from 60,714 participants in the South Asia Biobank that recruited adults in Bangladesh, Pakistan, Sri Lanka, North India, and South India. Dietary assessment was conducted using interviewer-led 24h dietary recalls with a South Asia-specific digital tool. Foods were classified by the degree of industrial processing using the NOVA classification. Adjusted two-part multivariable regression models examined associations between sociodemographic factors and any UPF consumption and quantity of UPF consumption in consumers.RESULTS In Bangladesh, Sri Lanka and North India, approximately 75% of the participants reported consuming any UPFs in the previous 24h while in South India and Pakistan this was 40%. Median contribution of UPFs to total energy among UPF consumers ranged between 17% in Pakistan, 15% in North India, and 13% in Bangladesh, Sri Lanka, and South India. Biscuits were a common source of UPF across all regions. Other commonly consumed UPFs among consumers included sweetened beverages in Pakistan, packaged salty snacks in South India, and breakfast cereals in Bangladesh. Diverse associations between sociodemographic factors and any UPF consumption were seen across regions. Younger age was associated with any UPF consumption in Pakistan and Sri Lanka whereas in Bangladesh and North India, older age was. In all regions except Bangladesh, female sex was associated with any UPF consumption. Higher education was associated with UPF consumption in Bangladesh (odds ratio 2.01; 95% confidence interval 1.71 to 2.35), Pakistan (1.69; 1.55 to 1.85), and North India (1.40; 1.13 to 1.73). Paid employment was not associated with UPF consumption in any region. Among UPF consumers, in all regions, UPF consumption was lower in married or cohabitating than in single people. In Bangladesh and Sri Lanka UPF consumption was higher in rural residents, while in Pakistan, consumption was higher in urban participants.CONCLUSION Younger age, female sex, higher education, employment, and income exhibited associations with UPF, but this varied across South Asia. This heterogeneity should be considered when developing regionally specific interventions to support dietary public health. Our findings of regional consumption of specific UPFs, such as biscuits, breakfast cereals, sweetened beverages, and salty snacks, provide valuable insights for targeted interventions.Item Comparison of urban diabetics with optimal and suboptimal control(British Medical Association, London, 2011) Pinidiyapathirage, M.; Warnakulasuriya, T.; Kasturiratne, A.; Ranawaka, U.; Gunasekera, D.; Wijekoon, N.; Medagoda, K.; Perera, S.; Takeuchi, F.; Kato, N.; Wickremasinghe, A.R.Introduction The prevalence of Diabetes Mellitus in Sri Lanka is increasing. We describe the characteristics of patients with optimal and suboptimal control of diabetes among known diabetics in a 35–64-year-old urban population resident in the Ragama Medical Officer of Health (Ragama MOH) area of Sri Lanka. Methods A cross sectional study was conducted among 2986 randomly selected 35–64 year olds in the Ragama MOH area from January to September 2007. A detailed history was taken and participants were subjected to a physical examination and assay of fasting blood glucose and HbA1C. A HBA1C <6.5 was taken as evidence of optimal control. Results There were 474 persons (194 males and 280 females) who gave a past history of diabetes. 9 males and 9 females were not on any treatment. 27 persons (9 males and 18 females) were on insulin. Of the 474 diabetics, 113 (48 males and 65 females) had a HbA1c <6.5. The average fasting blood glucose of diabetics with optimal control was 120+21 mg/dl. The mean fasting blood glucose level of the 361 subjects with sub optimal control was 190+70 mg/dl. Optimal glycaemic control was not associated with alcohol intake, smoking, obesity, central obesity and low physical activity levels. Conclusions Most known diabetics had access to treatment but only approximately 25% were optimally treated. The need to optimally manage these patients is highlighted.Item Prevalence, predictors and outcome of chronic kidney disease in a cohort of aging urban, adult Sri Lankans(Sri Lanka Medical Association, 2021) de Silva, S.T.; Ediriweera, D.D.; Niriella, M.A.; Kasturiratne, A.; Kato, N.; Wickremasinghe, A.R.; de Silva, H.J.Introduction and Objectives Chronic kidney disease (CKD) affects 700 million people worldwide. In 2017, deaths due to CKD accounted for 4.6% of mortality globally. Prevalence of CKD is increasing worldwide, with increasing diabetes and hypertension in aging populations. Our objective was to determine prevalence of CKD in an urban, adult cohort, since such data is scarce in Sri Lanka. Methods The study population was selected by stratified random sampling from Ragama MOH area initially in 2007 (aged 35-64 years) and re-assessed in 2014. On both occasions, participants were assessed by structured interview, anthropometric measurements and biochemical tests. CKD was assessed in 2014. Estimated glomerular filtration rate (eGFR) was calculated using CKD-EPI formula. CKD was defined as eGFR<60ml/min/1.72m2, using KDIGO/KDOQI classification. The cohort was further followed up in 2017 when all-cause and cardiovascular (CV) mortality and CV morbidity were also assessed. Results Of 2985 individuals recruited in 2007, 2148(71.6%) attended follow-up in 2014. 2032/2148 (94.6%) had CKD data [57.0% women, mean age 52.3(SD 7.7) years]. Age adjusted prevalence of CKD was 3.03(1.98–4.11) per 100 population in 2014; 41/61(67.2%) were in CKD Stage-3A, 14/61(23%) in Stage-3B, 6/61(9.8%) in Stage-4 and none in end-stage. Independent predictors of CKD in 2014 were older age (p<0.001), male gender (P<0.05) and presence of diabetes (p<0.001) and hypertension (p<0,001) in 2007. CKD was not associated with all-cause mortality, CV mortality or morbidity (p>0.05) in 2017.Conclusion Diabetes and hypertension were associated with CKD. Most with CKD were in Stage 3, where early recognition and better control of co-morbidities retard progression of CKD.Item The effect of a community-based health promotion intervention to improve utilization of healthy lifestyle centers in Sri Lanka(College of Community Physicians of Sri Lanka, 2021) Herath, H.M.T.P.; Perera, K.M.N.; Kasturiratne, A.Background: Healthy lifestyle centers (HLCs) report underutilization by the target population. There is a dearth of evidence on improving HLC utilization through the Health Promotion (HP) approach. This study aims to evaluate of the effectiveness of a HP intervention in improving the utilization of HLCs.Methods: A quasi-experimental study was conducted in six grama niladari divisions from the catchment area of two selected HLCs, one each in Gampaha (intervention) and Kalutara (comparison) districts. Community support groups (CSGs) were developed and empowered as the intervention. Contributory factors for the underutilization were addressed with the CSG.The pre and post intervention assessments were done in a random sample of 498 (aged 35-65 years) from each group. Primary outcome was improvement in the attendance of the HLC and secondary outcomes were changes in contributory factors. Data collected using an interviewer-administered questionnaire and secondary data from the HLCs were used. Results: Utilization of the HLC improved significantly among the sample from the intervention group (Post 35.3% [95% CI: 30.9 - 39.8]; Pre 5.85% [95% CI: 3.74 - 7.95], P < 0.001). The comparison group showed no significant change (Post 3.49% [95% CI: 1.80 -5.17] - Pre 3.25% [95% CI: 1.62 - 4.87], p = 1.00). There was a significant improvement in mean HLC attendance in the intervention group (Mean difference= 91.83, P < 0.05) compared to the comparison group (Mean difference = 2.66, P > 0.05). Conclusions: The utilization of the HLCs can be improved by a HP intervention through developing and empowering CSGs.Item Estimating the treatment cost of selected diseases in three state sector hospitals(College of the Community Physicians of Sri Lanka, 2007) Kasturiratne, A.; Sugimoto, T.; de Silva, A.INTRODUCTION: Costing disease management is useful for appropriate resource allocation and improving accountability in the health system. Protocol based disease management is helpful in cost analysis, but well developed and accepted protocols to cover the entire disease spectrum are yet being developed in the Sri Lankan context. OBJECTIVE: To estimate treatment cost of acute severe asthma and Lower Segment Caesarean Section (LSCS) in three state sector hospitals. METHODS: This descriptive cross sectional study was conducted in Teaching Hospital, Kurunegala (THK), Base Hospital, Kuliyapitiya (BHK) and Colombo North Teaching Hospital, Ragama (CNTH), from September to December 2006. The study populations were Bed Head Tickets (BHTS) in BHK and THK, and patients in CNTH. All study populations fulfilled the same criteria. A time study was conducted at CNTH using direct observation of Clinical management. Results of the step down method, the time study and the data extracted from BHTS were used for estimating direct, para-medical and accommodation costs. RESULTS: The total sample consisted of 240 subjects. The average duration of hospital stay for patients with acute severe asthma was approximately 4 days in THK and BHK, and 7 days in CNTH. The total cost of management ranged from Rs.2520 (THK) to Rs.4933 (CNTH). The cost of a LSCS ranged from Rs.8268 (CNTH) to Rs.9429 (THK). The average duration of hospital stay was 7-8 days. Operation theatre overheads accounted for 20-40% of the total cost. The cost of the time Spent by Medical Officers in the theatre was about 10% of the total cost. For both conditions, the cost of accommodation was the largest contributor to the total cost. CONCLUSION: in the absence of disease management protocols, there is variation in the disease management cost between different levels of hospitals. This may be due to differences in resource availability, utilisation pattern and accepted practices.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.Item Extra-curricular activities and self-esteem of school children in the Colombo District(Sri Lanka Medical Association, 2018) Welhenge, C.U.; Wickramanayake, D.S.; Wickramasekara, M.H.M.; Wijayarathne, W.A.L.T.; Wijeratne, N.G.; Zangmo, L.; Kasturiratne, A.INTRODUCTION AND OBJECTIVES: Self-esteem has a positive effect on the optimal performance of a person. Association between engaging in extra-curricular activities in school and the self-esteem of adolescents has not been described in Sri Lanka. The study aimed to describe the association between engaging in extra-curricular activities in school and the level of self-esteem among school children in two national schools in the Colombo District. METHODS: A descriptive cross sectional study was conducted in two schools among 422 adolescents between 13- 15 years of age. A questionnaire including the Coopersmith self-esteem inventory was used to collect the data after informed consent. Self esteem was scored using the Coopersmith self esteem inventory score. R studio was used to describe the level of self-esteem and its associations. RESULTS: A significant difference in the self-esteem score between students engaged in more than one sport [Mean= 78.38; 95% CI: 75.41-81.36] and students not engaged in any sport [Mean=72.2; 95% CI: 69.38-75.02] was observed. A similar difference was observed between students engaged in physically intense sports [Mean =76.15; 95% CI: 74.26-78.04] and students not engaged in any sport [Mean= 72.2; 95% CI: 69.38-75.02]. No significant difference in self-esteem was observed between, students engaged in sports with a high physical exertion and low physical exertion. Students engaged in more than one extra-curricular activity had a non• significant increase in self-esteem [Mean= 78.97; 95% CI: 75.46-82.49] compared with students not engaged in extracurricular activities [Mean= 72.40; 95% CI: 70.18-74.61]. CONCLUSION: Since extra-curricular activities have a positive effect on the self esteem of Sri Lankan adolescents, they should be promoted in schoolsItem Prevalence of chronic kidney disease and associations among hypertensive patients in North Western Sri Lanka: A cross sectional study(Sri Lanka Medical Association, 2018) Luke,W.A.N.V; Ediriweera, D.S.; de Silva, C.K.; Perera, K.M.N.; Ranasinha, C.D.; Kasturiratne, A.; de Silva, H.A.INTRODUCTION AND OBJECTIVES: Chronic kidney disease is a major non communicable disease in Sri Lanka with a rising prevalence. We studied the prevalence and associations of chronic kidney disease among patients with hypertension in a rural Sri Lankan population. METHODS: A community-based study was conducted in selected Grama Niladhari divisions in ten Medical Officer of Health areas in the Puttalam district. Adults with hypertension were investigated with serum creatinine, urine albumin creatinine ratio and eGFR. Socio-demographic and anthropometric data was obtained as well. RESULTS: Total of798 hypertensive patients (546 females and 252 males) were included in the study. 383 (48.7%, 95% CI: 45.2% - 54.0%) had proteinuria .486 (61.I %, 95% CI: 57.7% - 64.5%) of them had stage III or advanced CKD among which 241 had proteinuria. 618 (78.7%, 95% CI: 75.9% - 81.6%) showed either eGFR<60ml/min/l.73m2 or proteinuria. Advancing age (p<0.01), female gender (p<0.01) and raised LDL levels (p=0.01) were significantly associated with CKD.CONCLUSION: Prevalence of CKD is high in this rural hypertensive adult cohort. A significant proportion had non protienuric CKD. It may be justifiable to assess renal functions of all patients with hypertension to establish an early diagnosis of CKD to prevent complications. Considering the very high prevalence, community screening for CKD can be recommended in this populationItem Prevalence and patterns of dyslipidaemia among hypertensive patients in North Western Sri Lanka: A cross sectional study(Sri Lanka Medical Association, 2018) Luke, W.A.N.V.; Ediriweera, N.S.; de Silva, C.K.; Perera, K.M.N.; Ranasinha, C.D.; Kasturiratne, A.; de Silva, H.A.INTRODUCTION AND OBJECTIVES: Dyslipidaemia and hypertension are major risk factors for cardiovascular disease. Data on prevalence and patterns of dyslipidaemia in rural settings of Sri Lanka are limited. We conducted a study to determine the prevalence of dyslipidaemia among hypertensive adults over 40 years of age in the Puttalam district. METHODS: A community-based study was conducted in selected Grama Niladhari divisions in ten Medical Officer of Health areas in the Puttalam district. Socio-demographic data were obtained from adult hypertensive and basic investigations were carried out. RESULTS: Total of 798 hypertensive patients (546 females and 252 males) were included in the study. Median (Interquartile range) levels of total cholesterol, HDL, LDL and TG of the patients were 205 (173 - 238), 55 (48 - 63), 125 (96 - 155), 109 (85 - 143) respectively. Elevated levels of total cholesterol, LDL, TG and non HDL were reported in 192 (24. %), 371(46.4%), 173 (21.6%) and 527 (66%) respectively and low HDL was observed among 40 (5%) patients. High non HDL cholesterol was associated with female gender (P=0.03) and advancing age showed a negative association (P<0.01). CONCLUSION: Prevalence of dyslipidaemia is high in this hypertensive adult cohort. Suboptimal level of modifiable risk factor control is observed in this population which should be addressed to further reduce cardiovascular morbidity and mortality