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 Is hyperkalaemia associated with the development of heart blocks in patients with acute yellow oleander poisoning?(Sri Lanka Medical Association, 2023) Eriyawa, W.M.A.B.W.; Jayamanne, S.F.; Lokunarangoda, N.; Francis, G.R.; andakumari, G.V.N.; Jayawardane, P.INTRODUCTION: Yellow oleander (Thevetia peruviana) contains cardiac glycosides which result in arrhythmias, heart blocks and electrolyte imbalances. OBJECTIVES: The objective of the study was to find whether the development of hyperkalaemia within the first 24 hours of admission predicts the development of heart blocks. METHODS: A prospective cohort study was carried out at Teaching Hospital Batticaloa, Sri Lanka, from 1st July 2022 to 28th February 2023 among patients admitted with acute yellow oleander poisoning. Patients were recruited if any of the following signs were present: bradycardia (<60bpm), systolic blood pressure <80mmHg, nausea, vomiting, abdominal pain, diarrhoea, xanthopsia, within 2 hours of admission. Serum potassium level was assessed at recruitment and 6 hourly, serial electrocardiograms were done at recruitment and 4 hourly, for 24 hours. The association between hyperkalemia (serum potassium >5.5mmol/L) and the development of heart blocks were calculated using the chi-squared test. Ethical Clearance was granted by the Ethics Review Committee of the Faculty of Medical Sciences, University of Sri Jayewardenepura. RESULTS: Among 120 consenting symptomatic patients recruited, 26.67%(n=32) patients developed hyperkalemia while 7.5%(n=9), 10.0%(n=12) and 3.33%(n=4) patients developed 1st, 2nd, and 3rd degree heart blocks respectively. Temporary cardiac pacing (TCP) was done in 9.16%(n=11) patients and 2.5%(n=3) died due to cardiac arrest. Hyperkalemia within 24 hours of admission was associated with the development of heart block (X2(1, N=120)=12.9689, p=0.0003). CONCLUSION: Patients who developed hyperkalemia within 24 hours of admission following acute yellow oleander poisoning should be closely monitored for the development of heart blocks and managed at centres where facilities for TCP are available.Item Should ‘Drug Related Problems’ remain unnoticed among patients with chronic kidney disease of uncertain aetiology?(Sri Lanka Medical Association, 2023) Wickramasinghe, N.D.D.; Lynch, C.B.; Coombes, J.; Jayamanne, S.F.; de Silva, S.T.INTRODUCTION: Chronic kidney disease of uncertain aetiology (CKDu) is a major public health concern in Sri Lanka. CKDu patients often consume 10-12 drugs per day, which can result in drug-related problems (DRPs). However, emerging economies such as Sri Lanka have few safeguards in place to detect and report DRPs. OBJECTIVES: The objective of this study was to introduce clinic-based pharmacy services to detect, address and report DRPs that occurred in CKDu out-patients. METHODS: A randomized controlled clinical trial was conducted in pre-dialysis CKDu stages 4 and 5 patients at outpatient renal clinics in Teaching Hospital, Anuradhapura, Sri Lanka. DRPs were identified in both groups at baseline. The control group received usual clinic care while the intervention group received medication counseling by a clinic-based pharmacist. DRPs were identified in both groups after 12 months. RESULTS: At baseline, there were 123 and 126 patients in the control and intervention groups, respectively. 133 and 147 DRPs were identified from 80 and 79 patients in the control and intervention groups, respectively. The median number of DRPs per patient was 1 (1-2) (p=0.458) for both groups. After 12 months, there were 101 and 98 patients in the control and intervention groups, respectively. 137 and 59 DRPs were identified from 57 and 33 patients in the control and intervention groups, respectively. The median number of DRPs per patient was 2 (1-3) and 1 (1-2) (p=0.029) in control and intervention groups, respectively. CONCLUSION: A “clinic-based pharmacist” counselling is a beneficial additional service for identifying and addressing DRPs occurring in patients with CKDu.Item Changes in biochemical markers of outcomes in haemodialysis patients following a clinical pharmacy intervention.(Ceylon College of Physicians, 2021) Kalpani, A.G.S.; Mohamed, F.; Hough, J.E.; de Silva, D.N.N.; Chandrasena, W.M.H.N.M.; Jayamanne, S.F.Introduction and Objectives Common complications of End-Stage Renal Disease (ESRD) include cardiovascular disease, diabetes, anaemia and mineral and bone disease. Achieving an optimum level of biochemical markers of outcomes is crucial in managing ESRD. This study was conducted to assess the changes in selected biochemical parameters following a clinical pharmacy intervention (CPI) in this population. Method A randomized controlled trial was conducted at outpatient haemodialysis units in North Central Province, Sri Lanka. Serum phosphate, serum calcium, haemoglobin, lipid profile, eGFR and 'adequacy of dialysis* (AoD) (determined by urea reduction ratio (URR); calculated based on pre-post blood urea nitrogen measurements and Kt/V measurements) were measured in patients at baseline (BL) and after one year (PI). The Intervention Group (IG), n=143 patients received comprehensive pharmaceutical care by the clinical pharmacist on four consecutive occasions at recruitment, and 2, 6 and 10 months after recruitment. While the Control Group (CG), n=140, received standard care. Results At the baseline, there was no significant difference in the biochemical markers of outcomes between the two groups and AoD was within the acceptable range. However, there was a significant improvement in the mean serum phosphate levels (IG 4.04±1.19 vs CG 5.00±1.67, p<0.0001), mean serum calcium levels (IG 8.90±1.35 vs CG 7.11±2.07, p<0.0001), and mean haemoglobin levels (IG 10.5±1.25 vs CG 9.4±1.87, p<0.0001) in the IG compared to the CG at the end of one year. However, eGFR, lipid profiles did not change significantly (p>0.05). AoD was within the acceptable range in both groups at baseline and post intervention and did not change significantly (p>0.05) Conclusions Improvement in the selected biochemical markers of outcomes resulting from CPI suggests better patient management outcomes in the ESRD population.Item Opportunities for optimization of drug therapy and characterization of drug-related problems in ckd/ckdu patients undergoing hemodialysis in Sri Lanka(Ceylon College of Physicians, 2021) Kalpani, A.G.S.; Mohamed, F.; Hough, J.E.; de Silva, D.N.N.; Jayamanne, S.F.Introduction and objectives Drug-related problems (DRPs) in ESRD patients undergoing haemodialysis have not been investigated in Sri Lanka. The present study was conducted to identify and characterize the potential drug-related problems and identify opportunities to optimize drug therapy in ESRD patients undergoing haemodialysis. Method As part of RCT at ambulatory hemodialysis (HD) units of Teaching Hospital Anuradhapura (THA) and District General Hospital (DGH) Polonnaruwa, randomly selected ESRD patients undergoing hemodialysis were recruited for the study. DRPs were identified by reviewing the clinic drug charts, patient clinic records and structured interviews with patients or caregivers to identify the patients* actual drug-taking behaviour. Identified DRPs were categorized using a PCNE classification system V.08. Results A total of 1350 drug related problems were identified in 283 ambulatory HD patients during the study period. Patients were taking an average of 10.64 drugs and had 4.77 DRPs. Unnecessary drug treatment (30.3%), effect of the drug treatment not optimal (29.9%) followed by untreated symptom or indication (24.5%) were the most prevalent DRP categories according to the PCNE classification system. The major cause for the identified DRPs was a prescriber related (50.22%) followed by patient related (30.0%) and dispensing related (16.9%) causes in ESRD patients undergoing HD. Conclusions ESRD patients undergoing HD had a large number of medications which increases the risk of potential DRPs. Significant opportunities exist for pharmacists' input to improve the quality use of medicines by identifying and resolving the DRPs in ESRD patients undergoing haemodialysis in the current Sri Lankan government hospital setting as part of multidisciplinary team