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This repository contains the published and unpublished research of the Faculty of Medicine by the staff members of the faculty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 Cross-cultural adaptation and validation of the Sinhala version of the hospital anxiety and depression scale (HADS) for patients diagnosed with ischemic heart disease (IHD) in Sri Lanka(College of Community Physicians of Sri Lanka, 2023) Gamage, C.K.W.; de Zoysa, P.; Balasuriya, A.; Fernando, N.; Jayamanne, D.INTRODUCTION: The Hospital Anxiety and Depression Scale (HADS) is a frequently used instrument to measure depression and anxiety symptoms among patients diagnosed with ischaemic heart disease (IHD). However, a Sinhala version of HADS for Sri Lankan IHD patients has not been validated in Sri Lanka. OBJECTIVES: To translate, cross-culturally adapt and validate the HADS in a Sinhala-speaking Sri Lankan population with IHD METHODS: The Sinhala translation of HADS was conducted in four phases: forward translation, backward translation, patient testing and proofreading with the Mapi Research Trust guidelines. Content and consensual validation of the translated scale was conducted with the Delphi method, and the ratings were evaluated for consensus. The validated scale was administered to a sample selected using systematic sampling of 140 IHD patients attending medical clinics at a base hospital in Sri Lanka. Factor structure was verified with Confirmatory Factor Analysis (CFA) and reliability with internal consistency by Cronbach's alpha. RESULTS: The HADS Sinhala version showed good content and consensual validity. CFA proved that the uncorrelated two-factor structure was compatible with the original instrument (x2=156.98; df=76; p<0.001). The Confirmatory Fit Index (CFI) was 0.89, and the Root Mean Square Error of Approximation (RMSEA) was 0.09. The reliability analysis indicated Cronbach's alpha for depression and anxiety as 0.86 and 0.83, respectively. CONCLUSIONS & RECOMMENDATIONS: The cross-culturally adapted HADS Sinhala version shows similar psychometric properties as the original instrument and can be used in future studies with confidence.Item Examining depression and quality of life in patients with thalassemia in Sri Lanka(Wolters Kluwer - Medknow, 2019) Patel, P.; Beamish, P.; da Silva, T.L.; Kaushalya, D.; Premawardhena, A.; Williams, S.; Ravindran, A.V.BACKGROUND: With more effective treatments and improved outcomes in thalassemia, there is increasing focus on its psychological sequelae. Most published data on this topic are from high income countries and much less so from low and middle income countries, where thalassemia is more prevalent. AIM: The aim of this study was to systematically evaluate the psychiatric morbidity and quality of life in relation to demographic and illness related variables among Sri Lankan patients with thalassemia. METHODS: This cross sectional investigation was conducted at the University of Kelaniya Teaching Hospital in Sri Lanka. Patients with all forms of thalassemia, over 12 years of age, and in stable medical condition (n = 120) were recruited. Assessment tools included a general demographic questionnaire, the Beck Depression Inventory II, and the World Health Organization Quality of Life Measure–Brief. Statistical analysis was conducted using linear regressions, Chi squares, and analyses of variance. RESULTS: Lack of family support, longer duration of inpatient admission, and female gender were associated with higher depression scores and reduced quality of life. Environmental and social quality of life were positively correlated with levels of peer support in males, while increased support from religion correlated with lower depression scores and higher satisfaction with environmental and psychological quality of life in women. There was no association between the type of thalassemia and either depression or quality of life measures. CONCLUSION: Several factors may influence the psychological state and well being of patients with thalassemia in Sri Lanka. Specific service innovations (some gender specific) may help to address these factors to improve treatment outcome and well being.Item Prevalence and associated factors of depression in Sri Lanka: a systematic review and meta-analysis(Springer International, 2024) Alwis, I.; Baminiwatta, A.; Chandradasa, M.PURPOSE: Epidemiological data on depression are required to inform policies and service planning in mental health in Sri Lanka. This review aimed to synthesise data from existing studies to calculate the pooled prevalence of depression in Sri Lanka, assess its variability across subgroups, and identify associated factors within each subgroup. METHODS: PubMed, Embase, PsycINFO, Science Direct, Google Scholar and local journals were searched to identify peer-reviewed studies reporting the prevalence of depression among non-clinical adult, young, older, and maternal populations in Sri Lanka. A meta-analysis was performed using a random-effects model to calculate pooled prevalence estimates. Subgroup, sensitivity and moderator analyses were performed. A qualitative synthesis of factors associated with depression was conducted. RESULTS: A total of 33 studies representing a total of 52,778 participants were included. Overall, the pooled prevalence of depression was 19.4% [14.44-25.54%]. Among subpopulations, the highest prevalence was reported among young persons (39%); the rates in adults, older persons and maternal populations were 8.7%, 18.4% and 16.9%, respectively. Prevalence estimates were higher when based on screening instruments (21.2%) compared to diagnostic interviews (4.3%). A high degree of heterogeneity (I2 = 99.2) was observed. A qualitative synthesis of factors associated with depression, including individual attributes and behaviours, socio-economic circumstances and broader environmental factors, is reported for each age group. CONCLUSION: Approximately one-fifth of the population was detected to have depression. Notable variations in prevalence were observed across age groups. The heterogeneity of studies limits the inferences drawn from this review.Item Depression and suicidal behavior in South Asia: a systematic review and meta-analysis(Cambridge University Press, 2022) Arafat, S.M.Y.; Saleem, T.; Menon, V.; Ali, S.A.Z.; Baminiwatta, A.; Kar, S.K.; Akter, H.; Singh, R.Background. Estimates of depression in suicidal behavior in South Asia would help to formulate suicide prevention strategies in the region that hasn’t been assessed yet. Objectives. We aimed to systematically assess the prevalence of depression in fatal and nonfatal attempts of suicide in eight South Asian countries. Methods. We searched Medline, Embase, and PsychINFO by specific search terms to identify articles assessing depression in fatal and non-fatal attempts of suicide in South Asian countries published between 2001 and 2020. Two separate meta-analyses were conducted for fatal and non-fatal attempts. Due to the high heterogeneity of studies (96–98%), randomeffects models were used to calculate pooled prevalence rates. Results. A total of 38 studies was identified from five south Asian countries (India [27], Pakistan [6], Sri Lanka [3], Nepal [1], and Bangladesh [1]). The majority of studies (n = 27) were published after 2010. Twenty-two studies reported non-fatal attempts, and sixteen reported suicide. The prevalence of depression among non-fatal attempts ranged from 14% to 78% where the pooled prevalence rate was 32.7% [95% CI 26–39.3%]. The prevalence of depression among suicides ranged from 8% to 79% where the pooled prevalence estimate was 37.3% [95% CI 26.9–47.6%]. Conclusions. This review revealed the pooled prevalence of depression among fatal and nonfatal suicidal attempts in South Asian countries, which seems to be lower when compared to the Western countries. However, a cautious interpretation is warranted due to the heterogeneity of study methods, sample size, and measurement of depression.Item Associations between ADHD symptoms and maternal and birth outcomes: An exploratory analysis in a multi-country cohort of expectant mothers(SAGE Publications, 2022) Murray, A.L.; Taut, D; Baban, A.; Hemady, C.L.; Walker, S.; Osafo, J.; Sikander, S.; Tomlinson, M.; Toit, S.D.; Marlow, M.; Ward, C.L.; Fernando, A.; Madrid, B.; Van, T.V.; Tuyen, H.D.; Dunne, M.; Hughes, C.; Fearon, P.; Valdebenito, S.; Eisner, M.OBJECTIVE: ADHD symptoms can adversely impact functioning in a range of domains relevant for maternal well-being and fetal development; however, there has been almost no research examining their impact during pregnancy. We aimed to address this gap. METHOD: We used data (n = 1,204) from a longitudinal birth cohort study spanning eight countries to address this gap. RESULTS: ADHD symptoms in the third trimester of pregnancy were associated with lower social support from family (b = -0.16, p = .031), friends (b = -0.16, p = .024), and significant others (b = -0.09, p = .001); higher stress (b = 0.34, p < .001) and depressive symptoms (b = 0.31, p < .001), and increased likelihood of an unwanted pregnancy (b = 0.30, p = .009). Significant associations with tobacco use (b = 0.36, p = .023) and premature birth (b = 0.35, p = .007) did not survive correction for multiple comparisons and there were no significant associations with alcohol use, low birth weight, or unplanned pregnancy. CONCLUSION: Results suggest that women with ADHD symptoms could benefit from earlier, more regular screening for mental health difficulties and greater mental health support during pregnancy.Item Prevalence and correlates of depression in patients with epilepsy in Sri Lanka(The Sri Lanka Medical Association, 2021) de Silva, S.; Isuru, A.; Rodrigo, A.; Kuruppuarachchi, L.Background: Depression is one of the most common psychiatric disorder in patients with epilepsy and it is often associated with poor quality of life, increased risk of suicide and poor seizure control, yet remains underdiagnosed and undertreated. The prevalence and associations for depression in patients with epilepsy vary between studies reflecting regional and cultural influences. Therefore, it is important to identify unique attributes within a community on this phenomenon This is the first study from Sri Lanka on the prevalence and correlates of depression in patients with epilepsy. Method: We conducted this cross-sectional study at the Epilepsy clinic, Colombo North Teaching Hospital, Ragama. All consenting patients with a diagnosis of epilepsy followed up at the clinic, during study period, were enrolled. Symptoms of depression were screened with Beck Depression Inventory II and diagnosis was confirmed with a clinical assessment by psychiatrist. Results: Of 150 participants, majority were female 63.3%. (95) and 36.7% (55) of the sample were between 26-45 years. The prevalence of depressive disorder was 22% (33). The prevalence of depression was significantly associated with the recent diagnosis of epilepsy, use of multiple antiepileptic medications and duration of seizure free period (p<0.05). There is a statistically significant association between prevalence of depression with the use of carbamazepine, topiramate, clobazam and phenobarbitone. Regression analysis revealed higher the duration individuals suffering from epilepsy were at lower odds of having depression compared with that of individuals suffering from lower duration of epilepsy. For each year in increase of duration of epilepsy, the odds of depression decreased by 2% (95% CI 0.3% to 5.1%) Conclusion: The prevalence of depression is high in patients with epilepsy. Risk of having depression is higher during the early phase of the illness. Therefore, it is important to screen patients with epilepsy for depressive disorder during the early course of the illness.Item Association of depression, anxiety and stress among outpatients with rheumatoid arthritis at a tertiary care hospital in Sri Lanka; a cross-sectional study(Faculty of Medicine, University of Kelaniya, Sri Lanka, 2021) Wijewantha, K.S.L.; Wijewardena, D.L.T.M.; Wijethunga, W.T.N.K.; de Silva, N.L.; Fernando, S.D.Introduction: Depression, anxiety and stress and their associated factors, in patients with rheumatoid arthritis, vary across regions. Sri Lankan studies assessing the prevalence and associations of these factors are lacking. Objectives: To describe the prevalence and factors associated with depression, anxiety and stress among patients with Rheumatoid arthritis at specialised Rheumatology clinics of the National Hospital Sri Lanka. Methods: A cross-sectional study was carried out at three rheumatology clinics at the National Hospital of Sri Lanka. Sociodemographic and clinical data including the Clinical Disease Activity Index (CDAI) was recorded using an interviewer-administered questionnaire. The validated Depression, Anxiety, Stress Scale-21 was used. Analysis was done using descriptive analysis and chi-square. Results: The prevalence of depression, anxiety and stress in the study cohort (n= 118) was 50.93%, 57.41% and 47.17% respectively. Majority of the patients were in the moderate (39%) and high disease activity groups (36%). Increased prevalence of all three was observed with reduced functional status. Depression was observed among those > 60 years (p=0.035) and with CDAI >22.1 (p=0.004). Anxiety was observed with increased CDAI >22.1 (p=0.023). Stress was associated with unemployment (p=0.009) and morning stiffness > 60 minutes (p=0.001). Diabetes (p=0.016), ischemic heart disease (p= 0.042) and dyslipidaemia (p=0.005) were adversely associated with depression. Anxiety was associated with dyslipidaemia (p=0.005). Conclusions: Prevalence of depression, anxiety and stress is high and interferes with the quality of life and disease prognosis. Disease activity, functional deterioration as well as the presence of co-morbidities are associated with these mental health issues.Item Anxiety and depression among patients at a tertiary care respiratory clinic in Sri Lanka(Sri Lanka College of Psychiatrists, 2018) Galhenage, J.S.; Rupasinghe, J.P.N.; Weerasinghe, W.B.D.D.; Abeywardena, G.S.; Williams, S.S.; Gunasena, B.BACKGROUND: Chronic respiratory diseases are associated with increased risk of mood and anxiety disorders. These disorders in turn may lead to frequent hospital admissions and lower treatment adherence among patients with respiratory disease. AIMS: The objective of this study was to describe the prevalence of anxiety and depression among patients with chronic lung diseases and their association with socio demographic factors. Methods: A descriptive cross sectional study was conducted among patients at a respiratory outpatient clinic at the National Hospital for Respiratory Diseases, Welisara. Demographic data was collected using an interviewer administered questionnaire; a selfadministered Hospital Anxiety and Depression scale was used to examine for the presence of anxiety or depression. Consecutive patients who gave written informed consent to were included in the study. RESULTS: A total of 451 patients were participated in the study, of whom 274 (60.8%) were females. The mean age was 57.4 (SD=15.3) years and the majority (74.7%) were married. The education level of 226 (50.1%) was between grade 5 and grade 11. There was no permanent income for 196 (43.5%). The majority had bronchial asthma (60.3%) and 151 (33.5%) had one or more co-morbid medical illness. The mean score for the anxiety component was 6.78 (SD=3.59) and for the depression component it was 7.03 (SD=3.11). Seventy (15.5%) screened positive for anxiety and another 100 (22.2%) were doubtful cases. Sixty five (14.4%) screened positive for depression and another 128 (28.4%) were doubtful cases. Participants who were unmarried, divorced, separated or widowed had significantly higher levels of anxiety compared to those who were married (p=0.005). Patients who had a monthly income also had more anxiety compared to those who did not have an income (p=0.003). Conclusions: One fifth of the patients attending the respiratory clinic screened positive for anxiety and depression. This indicates the importance of addressing the psychological morbidity among patients with chronic lung disease.Item Depression presenting with genital symptoms – a series of unusual case histories(Sri Lanka College of Psychiatrists, 2016) Kapugama, K.G.C.L.; Obadaarachchi, L.N.; Ruwanpriya, B.V.S.; Kuruppuarachchi, K.A.L.A.Interpretation and conceptualisation of depressive symptoms is influenced by cultural factors across the globe. Somatisation is common in eastern cultures. Many people in the Indian subcontinent are unduly concerned about genital symptoms and secretions, which are more evident when they are depressed. We present a case series of depressed patients to emphasise this important area. Our first patient was extremely distressed about her unusual vaginal sensations, which appeared when she was depressed, whereas our third patient, with recurrent depressive disorder, was tormented with the belief of having contracted a sexually transmitted disease, since he experienced unusual urethral sensations whenever he was depressed. The second patient in the case series, again with recurrent depressive disorder, had symptoms resembling Koro; however his symptoms disappeared with remission and recurred with relapses. Awareness of unusual presentations of depression would help to minimise any confusion regarding diagnosis and management.