Displaying publications 21 - 40 of 2993 in total

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  1. Hilmi I, Tan YM, Goh KL
    World J Gastroenterol, 2006 Mar 07;12(9):1435-8.
    PMID: 16552816
    AIM: To determine the demography and clinical presentation of CD and secondly to determine any differences in the prevalence between the different ethnic groups in a multiracial Asian population.

    METHODS: Patients with CD who were seen in 2001-2003 in the University of Malaya Medical Centre (UMMC) were enrolled in this study. Prevalence of disease was calculated for the group as a whole and by race with hospital admissions per ethnic group as the denominator.

    RESULTS: Thirty-four patients were diagnosed to have CD. Basic demographic data of patients; male:female 17:17; mean age 29.1 years (+/-13.5 years); ethnic group: Malays 5 (14.7%), Chinese 12 (35.3%) and Indians 17 (50%).Twenty-six (76.5%) were diagnosed under the age of 40 and 8 (23.5%) were diagnosed over the age of 40. Location of the disease was as follows:ileocolonic 13 (38.2%), terminal ileum only 9 (26.5%), colon only 8 (23.5%), and upper gastrointestinal 4 (11.8%). Sixteen (47.1%) had penetrating disease, 9 (26.5%) had stricturing disease and 9 (26.5%) had non-penetrating and non-stricturing disease. The hospital admission prevalence of CD was 26.0 overall, Indians 52.6, Chinese 6.9, and Malays 9.3 per 10(5) admissions per ethnic group. The difference between Indians and Malays: [OR 5.67 (1.97, 17.53) P<0.001] was statistically significant but not between the Indians and the Chinese [OR 1.95 (0.89, 4.35) P=0.700]. The difference between the Chinese and the Malays was also not statistically significant. [OR 2.90 (0.95, 9.42) P=0.063].

    CONCLUSION: The clinical presentation of CD is similar to the Western experience. Although the overall prevalence is low,there appears to be a clear racial predominance among the Indians.

    Matched MeSH terms: Retrospective Studies
  2. Tan YM, Goh KL
    World J Gastroenterol, 2005 Oct 07;11(37):5859-62.
    PMID: 16270398
    AIM: Inflammatory bowel disease appears to be uncommon among Asians. This study was conducted to determine the prevalence of ulcerative colitis (UC) in Malaysian patients and to establish the spectrum of the disease seen in Malaysian patients. Three major Asian races: Malay, Chinese, and Indian co-exist in Malaysia and we sought to determine if there were any racial differences in the prevalence and presentation of disease. Racial differences for several other gastrointestinal diseases have previously been observed and found to be extremely interesting.

    METHODS: Data were obtained retrospectively from a review of the medical records of in- and out-patients with a diagnosis of UC at the University Hospital, Kuala Lumpur between 1985 and 1998.

    RESULTS: There were 45 confirmed cases of UC of which 3 were foreigners, who were excluded from analysis. Thirty new cases of UC were diagnosed during the study period. Their mean age at presentation was 33.0+/-10.0 years. The highest prevalence of UC was 17.9/100 000 hospital admissions in the Indians, followed by 11.2/100 000 hospital admissions in the Chinese. The lowest prevalence was 3.7/100 000 hospital admissions in the Malays. The prevalence of UC was significantly higher in the Indians and the Chinese when compared with the Malays with an OR of 4.89 (CI = 2.02-12.24; chi2 = 15.45, P<0.001) and 3.06 (CI = 1.24-7.78; chi2 = 6.30; P = 0.012) respectively. The extent of colonic disease was similar in the Malay and Indian patients. In contrast, distal or left-sided colitis predominated in the Chinese with an OR of 8.17 (95%CI = 1.31-64.87; chi2 = 5.53, P = 0.02). Extraintestinal manifestations were uncommon (11.9%).

    CONCLUSION: UC is an uncommon disease in Malaysia, but racial differences exist. The Indians had the highest prevalence of UC with the Chinese demonstrating the least extensive disease.

    Matched MeSH terms: Retrospective Studies
  3. Lee WS, Tee CW, Koay ZL, Wong TS, Zahraq F, Foo HW, et al.
    World J Gastroenterol, 2018 Mar 07;24(9):1013-1021.
    PMID: 29531465 DOI: 10.3748/wjg.v24.i9.1013
    AIM: To study implications of measuring quality indicators on training and trainees' performance in pediatric colonoscopy in a low-volume training center.

    METHODS: We reviewed retrospectively the performance of pediatric colonoscopies in a training center in Malaysia over 5 years (January 2010-December 2015), benchmarked against five quality indicators: appropriateness of indications, bowel preparations, cecum and ileal examination rates, and complications. The European Society of Gastrointestinal Endoscopy guideline for pediatric endoscopy and North American Society for Pediatric Gastroenterology, Hepatology and Nutrition training guidelines were used as benchmarks.

    RESULTS: Median (± SD) age of 121 children [males = 74 (61.2%)] who had 177 colonoscopies was 7.0 (± 4.6) years. On average, 30 colonoscopies were performed each year (range: 19-58). Except for investigations of abdominal pain (21/177, 17%), indications for colonoscopies were appropriate in the remaining 83%. Bowel preparation was good in 87%. One patient (0.6%) with severe Crohn's disease had bowel perforation. Cecum examination and ileal intubation rate was 95% and 68.1%. Ileal intubation rate was significantly higher in diagnosing or assessing inflammatory bowel disease (IBD) than non-IBD (72.9% vs 50.0% P = 0.016). Performance of four trainees was consistent throughout the study period. Average cecum and ileal examination rate among trainees were 97% and 77%.

    CONCLUSION: Benchmarking against established guidelines helps units with a low-volume of colonoscopies to identify area for further improvement.

    Matched MeSH terms: Retrospective Studies
  4. Pitisuttithum P, Chan WK, Goh GB, Fan JG, Song MJ, Charatcharoenwitthaya P, et al.
    World J Gastroenterol, 2020 May 21;26(19):2416-2426.
    PMID: 32476802 DOI: 10.3748/wjg.v26.i19.2416
    BACKGROUND: Gamma-glutamyl transferase (GGT) is associated with the risk of cardiovascular disease (CVD) in the general population.

    AIM: To identify the association of baseline GGT level and QRISK2 score among patients with biopsy-proven nonalcoholic fatty liver disease (NAFLD).

    METHODS: This was a retrospective study involving 1535 biopsy-proven NAFLD patients from 10 Asian centers in 8 countries using data collected by the Gut and Obesity in Asia (referred to as "GO ASIA") workgroup. All patients with available baseline GGT levels and all 16 variables for the QRISK2 calculation (QRISK2-2017; developed by researchers at the United Kingdom National Health Service; https://qrisk.org/2017/; 10-year cardiovascular risk estimation) were included and compared to healthy controls with the same age, sex, and ethnicity. Relative risk was reported. QRISK2 score > 10% was defined as the high-CVD-risk group. Fibrosis stages 3 and 4 (F3 and F4) were considered advanced fibrosis.

    RESULTS: A total of 1122 patients (73%) had complete data and were included in the final analysis; 314 (28%) had advanced fibrosis. The median age (interquartile range [IQR]) of the study population was 53 (44-60) years, 532 (47.4%) were females, and 492 (43.9%) were of Chinese ethnicity. The median 10-year CVD risk (IQR) was 5.9% (2.6-10.9), and the median relative risk of CVD over 10 years (IQR) was 1.65 (1.13-2.2) compared to healthy individuals with the same age, sex, and ethnicity. The high-CVD-risk group was significantly older than the low-risk group (median [IQR]: 63 [59-67] vs 49 [41-55] years; P < 0.001). Higher fibrosis stages in biopsy-proven NAFLD patients brought a significantly higher CVD risk (P < 0.001). Median GGT level was not different between the two groups (GGT [U/L]: Median [IQR], high risk 60 [37-113] vs low risk 66 [38-103], P = 0.56). There was no correlation between baseline GGT level and 10-year CVD risk based on the QRISK2 score (r = 0.02).

    CONCLUSION: The CVD risk of NAFLD patients is higher than that of healthy individuals. Baseline GGT level cannot predict CVD risk in NAFLD patients. However, advanced fibrosis is a predictor of a high CVD risk.

    Matched MeSH terms: Retrospective Studies
  5. Lee WS, Zainuddin H, Boey CC, Chai PF
    World J Gastroenterol, 2013 Dec 21;19(47):9077-83.
    PMID: 24379634 DOI: 10.3748/wjg.v19.i47.9077
    AIM: To determine the predictability of the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition (NASPGHAN) and American Society for Gastrointestinal Endoscopy (ASGE) guideline with regard to appropriate endoscopic practice in children, positive endoscopic findings and contributive yield in clinical practice.

    METHODS: This was a descriptive, retrospective analysis, conducted at the Department of Paediatrics, University Malaya Medical Centre, Malaysia. All children who had esophagogastroduodenoscopy (EGD) and colonoscopy from January 2008 to June 2011 were included. An endoscopy was considered appropriate when its indication complied with the NASPGHAN and ASGE guideline. All endoscopic findings were classified as either positive (presence of any endoscopic or histologic abnormality) or negative (no or minor abnormality, normal histology); effecting a positive contributive (a change in therapeutic decisions or prognostic consequences) or non-contributive yield (no therapeutic or prognostic consequences).

    RESULTS: Overall, 76% of the 345 procedures (231 EGD alone, 26 colonoscopy alone, 44 combined EGD and colonoscopy) performed in 301 children (median age 7.0 years, range 3 months to 18 years) had a positive endoscopic finding. Based on the NASPGHAN and ASGE guideline, 99.7% of the procedures performed were considered as appropriate. The only inappropriate procedure (0.3%) was in a child who had EGD for assessment of the healing of gastric ulcer following therapy in the absence of any symptoms. The overall positive contributive yield for a change in diagnosis and/or management was 44%. The presence of a positive endoscopic finding was more likely to effect a change in the therapeutic plan than an alteration of the initial diagnosis. A total of 20 (5.8%) adverse events were noted, most were minor and none was fatal.

    CONCLUSION: The NASPGHAN and ASGE guideline is more likely to predict a positive endoscopic finding but is less sensitive to effect a change in the initial clinical diagnosis or the subsequent therapeutic plan.

    Matched MeSH terms: Retrospective Studies
  6. Sivalingam S, Haranal M, Moorthy PSK, Dillon J, Kong PK, Fariza I, et al.
    World J Pediatr Congenit Heart Surg, 2020 09;11(5):579-586.
    PMID: 32853067 DOI: 10.1177/2150135120930678
    BACKGROUND: Our study is aimed at evaluating the mid-term surgical outcomes of mitral valve repair in children using various chordal reconstructive procedures (autologous in situ chords or artificial chords).

    METHODS: A retrospective analysis of 154 patients who underwent mitral valve repair using various chordal reconstructive procedures from 1992 to 2012. Patients were divided into group A and group B based on use of artificial chords and autologous in situ chords, respectively, for the repair. There were 102 (66.2%) patients in group A and 52 (33.8%) patients in group B. The mean age at repair was 11.1 ± 4.5 years. Associated cardiac anomalies were found in 94 (61%) patients.

    RESULTS: The median follow-up period was 4.2 years (Interquartile range: 2.0-9.9). There were two (1.3%) early deaths and five (3.2%) late deaths. There was no significant difference in survival at 15 years between the two groups (group A: 91.8% vs group B: 95.1%; P = .66). There was no significant difference in the freedom from reoperation at 15 years between group A (79.4%) and group B (97.2%; P = .06). However, there was significant difference in freedom from valve failure between group A (56.5%) and group B (74.1%; P = .03). Carpentier functional class III and postoperative residual mitral regurgitation (2+ MR, ie, mild-moderate MR) were the risk factors for valve failure.

    CONCLUSIONS: Severity of the disease and its progression has profound effect on the valve repair than the technique itself. Both chordal reconstructive procedures can be used to produce satisfactory results in children.

    Matched MeSH terms: Retrospective Studies
  7. Xue X, Rafiq M, Meng F, Peerzadah SA
    Work, 2023;76(3):991-1005.
    PMID: 37355920 DOI: 10.3233/WOR-220240
    BACKGROUND: Since the previous decade, researchers and academics have paid close attention to studying job embeddedness (JE), but the bibliometric examination of JE has not yet been explored.

    OBJECTIVE: This study aims to provide general information on the trends of the studies on JE as well as an overall perspective on the development of this topic by utilising a bibliometric analytic approach.

    METHOD: A bibliometric evaluation was conducted in the JE field since the first publication was documented in the Scopus database. The information retrieved examines 1572 JE papers from a variety of perspectives, including citation and publishing metrics.

    RESULTS: The research results pinpoint the most productive countries, universities, journals, authors, and JE articles. The study also classified the most important themes and offered some recommendations for further research.

    CONCLUSION: The study provided a snapshot of JE patterns and trajectories from 1993 to 2020, which can help academics and practitioners figure out the pattern and direction of future research. To the best of our knowledge, no other study examines the bibliographic data on JE and thus this work is one of the first contributions to the literature.

    Matched MeSH terms: Retrospective Studies
  8. Mat Pozian N, Miller YD, Mays J
    Womens Health (Lond), 2024;20:17455057241233113.
    PMID: 38426373 DOI: 10.1177/17455057241233113
    BACKGROUND: Although participation in paid work improves women's quality of life and well-being, the health benefits decline for women with young children. Implementing family-friendly work conditions is one strategy for improving working women's well-being, especially those with competing unpaid work responsibilities.

    OBJECTIVE: This study investigated the extent to which accessibility and use of 11 specific family-friendly work conditions were associated with physical health, anxiety and depression in Malaysian women with young children.

    DESIGN: A cross-sectional design using a retrospective self-complete, anonymous, online survey was conducted between March and October 2021.

    METHODS: Women with a child aged 5 years or less (N = 190) completed an online survey measuring their exposure (availability and use) to 11 specific family-friendly work conditions, and their physical health, anxiety, and depression. The sample included women who were currently and recently working and with both formal and informal employment.

    RESULTS: After accounting for potential confounders, women who used paid maternity leave have a lower likelihood of having anxiety symptoms.

    CONCLUSION: Future research is needed to extend the findings from this study by over-sampling women who are informally employed and not currently working. Policy creation and development processes, including research and decision-making, should be led by and inclusive of women. For example, research funding could be allocated to 'lived experience' research that privileges the co-design of research with consumers. Based on these findings, the extent to which family-friendly work conditions fulfill their intent to improve the well-being for working women requires further critique.

    Matched MeSH terms: Retrospective Studies
  9. Hasani WSR, Ganapathy SS, Lin CZ, Rifin HM, Bahari MN, Ghazali MH, et al.
    Western Pac Surveill Response J, 2021 02 16;12(1):46-52.
    PMID: 34094624 DOI: 10.5365/wpsar.2020.11.3.007
    Background: Pre-existing comorbidities can predict severe disease requiring intensive care unit (ICU) admission among COVID-19 cases. We compared comorbidities, clinical features and other predictive factors between COVID-19 patients requiring ICU admission for intubation/mechanical ventilation and all other COVID-19 cases in Selangor, Malaysia.

    Method: Field data collected during the COVID-19 outbreak in Selangor, Malaysia, up to 13 April 2020 were used, comprising socio-demographic characteristics, comorbidities and presenting symptoms of COVID-19 cases. ICU admission was determined from medical records. Multiple logistic regression analysis was performed to identify factors associated with ICU admission requiring intubation/mechanical ventilation among COVID-19 cases.

    Results: A total of 1287 COVID-19-positive cases were included for analysis. The most common comorbidities were hypertension (15.5%) and diabetes (11.0%). More than one third of cases presented with fever (43.8%) or cough (37.1%). Of the 25 cases that required intubation/mechanical ventilation, 68.0% had hypertension, 88.0% had fever, 40.0% had dyspnoea and 44.0% were lethargic. Multivariate regression showed that cases that required intubation/mechanical ventilation had significantly higher odds of being older (aged 360 years) [adjusted odds ratio (aOR) = 3.9] and having hypertension (aOR = 5.7), fever (aOR = 9.8), dyspnoea (aOR = 9.6) or lethargy (aOR = 7.9) than cases that did not require intubation/mechanical ventilation.

    Conclusion: The COVID-19 cases in Selangor, Malaysia requiring intubation/mechanical ventilation were significantly older, with a higher proportion of hypertension and symptoms of fever, dyspnoea and lethargy. These risk factors have been reported previously for severe COVID-19 cases, and highlight the role that ageing and underlying comorbidities play in severe outcomes to respiratory disease.

    Matched MeSH terms: Retrospective Studies
  10. Woon YL, Ng CW, Mudin RN, Suli Z
    Western Pac Surveill Response J, 2019 05 21;10(2):39-45.
    PMID: 31720053 DOI: 10.5365/wpsar.2019.10.1.001
    Background: Dengue patients in Malaysia have the choice to seek care from either public or private sector providers. This study aims to analyse the pattern of health facility use among dengue patients to provide input for the ongoing policy discussion regarding public-private integration. The focus of this study is in the Klang Valley, which has a high dengue burden as well as a high number of private facilities.

    Methods: This is a cross-sectional study using an available secondary data source - the Malaysian national dengue passive surveillance system, e-Dengue registry. A total of 61 455 serologically confirmed dengue cases from the Klang Valley, registered in year 2014, were included. We retrospectively examined the relationship between demographic factors and the choice of health-care sector by logistic regression.

    Results: The median age of the cohort was 26 (interquartile range: 17 to 37) years. More private facilities (54.4%) were used for inpatient care; more public facilities (68.2%) were used for outpatient care. The Chinese and urban populations showed significantly higher use of the private health-care sector with an adjusted odds ratio of 4.8 [95% confidence interval (CI): 4.6-5.1] and 2.3 (95% CI: 2.2-2.4), respectively.

    Conclusion: Both public and private health facilities bear significant responsibilities in delivering health-care services to dengue patients. The workload of both sectors should be included in future health policy planning by public agencies.

    Matched MeSH terms: Retrospective Studies
  11. Dhanoa A, Fang NC, Hassan SS, Kaniappan P, Rajasekaram G
    Virol J, 2011;8:501.
    PMID: 22050645 DOI: 10.1186/1743-422X-8-501
    Numerous reports have described the epidemiological and clinical characteristics of influenza A (H1N1) 2009 infected patients. However, data on the effects of bacterial coinfection on these patients are very scarce. Therefore, this study explores the impact of bacterial coinfection on the clinical and laboratory parameters amongst H1N1 hospitalized patients.

    Study site: Hospital Sultanah Aminah Johor Bahru
    Matched MeSH terms: Retrospective Studies
  12. Jajere SM, Atsanda NN, Bitrus AA, Hamisu TM, Goni MD
    Vet World, 2018 May;11(5):598-605.
    PMID: 29915497 DOI: 10.14202/vetworld.2018.598-605
    Background and Aim: Bovine tuberculosis (bTB) still remains a major zoonotic bacterial disease affecting livestock and humans worldwide. The disease remains a poorly managed tropical disease in most developing countries of the world; where in addition to productivity losses and significance in international trade, it posed a major public health threat to both humans and animals. A retrospective study was designed to investigate the occurrence of bTB lesions at Bauchi municipal abattoir.

    Materials and Methods: The study utilized abattoir records spanning a period of 10 years (2004-2013). The records indicated that a total of 1,08,638 heads of cattle comprising n = 56,070 males and n = 52,570 females were slaughtered at the municipal abattoir during the study period.

    Result: Of these heads, n = 1230 (1.13%) (95% confidence interval [CI]: 1.07, 1.19) had tuberculous lesions. The annual occurrence during the study period varied significantly (p<0.001) from 0.53% (95% CI: 0.40, 0.67) to 1.87% (95% CI: 1.66, 2.10) in 2010 and 2012, respectively. Females had a significantly higher (p<0.001) prevalence of 2.10% (95% CI: 1.98, 2.23) compared with the males 0.23% (95% CI: 0.19, 0.27). The distribution of suspected gross bTB lesions in different organs showed 11.87% in the lungs, 5.93% in the liver, 1.14% in the heart, and 0.49% accounted for generalized bTB. However, none was observed on the lymph nodes and intestines.

    Conclusion: It can be concluded that bTB persists in Bauchi State with annual variations during the study period. This study highlights the importance of meat inspection as an important tool for detecting the presence of bTB lesions.

    Matched MeSH terms: Retrospective Studies
  13. Heng HG, Teoh WT, Sheikh-Omar AR
    Vet Radiol Ultrasound, 2008 2 7;49(1):26-9.
    PMID: 18251290
    Postmortem radiographic examinations of animals are commonly performed in judicial investigations to rule out gunshot and fractures. However, there was no available data on radiographic postmortem changes of animals. Forty-one sets of abdominal radiographs of feline cadavers made within 12 h of death were evaluated for postmortem changes. Intravascular gas was detected in 11 of 41 (27%) cadavers. The most common site of intravascular gas was the liver. Intravascular gas was also present in the aorta, femoral artery, celiac and cranial mesenteric arteries, and caudal superficial epigastric artery. Intrasplenic gas was detected in two cadavers. Only two cadavers had distended small intestine. One cadaver had pneumatosis coli. The changes detected were most likely due to putrefaction.
    Matched MeSH terms: Retrospective Studies
  14. Shaw DJ, Rosanowski SM
    Vet J, 2019 Aug;250:24-27.
    PMID: 31383416 DOI: 10.1016/j.tvjl.2019.05.015
    Epiglottic entrapment is a condition in racing horses, associated with abnormal respiratory noises and exercise intolerance. Epiglottic entrapment has been linked to both poor and superior athletic performance, leading to concerns regarding whether surgery is indicated, and whether surgical correction may have a deleterious effect on future race performance. The objective of the current study was to assess the race-day performance of horses racing with epiglottic entrapment and the effect of surgical correction on performance outcomes using an intra-oral technique in anaesthetised horses. A case-control study was conducted at the Singapore Turf Club from 2008 to 2011. Controls were selected 1:1 to cases, based on Malaysian Racing Authority number. The performance of horses racing with epiglottic entrapment was recorded and post-surgery race performance was described. Further, post-surgery race performance was compared between cases and with non-case controls. Twenty horses raced with epiglottic entrapment were retrospectively enrolled. There was a significant difference in racing performance in case horses racing with and without epiglottic entrapment (P 
    Matched MeSH terms: Retrospective Studies
  15. Willeam Peter SS, Hassan SS, Khei Tan VP, Ngim CF, Azreen Adnan NA, Pong LY, et al.
    Vector Borne Zoonotic Dis, 2019 07;19(7):549-552.
    PMID: 30668248 DOI: 10.1089/vbz.2018.2379
    Background:
    There is an escalation of frequency and magnitude of dengue epidemics in Malaysia, with a concomitant increase in patient hospitalization. Prolonged hospitalization (PH) due to dengue virus (DENV) infections causes considerable socioeconomic burden. Early identification of patients needing PH could optimize resource consumption and reduce health care costs. This study aims to identify clinicopathological factors present on admission that are associated with PH among patients with DENV infections.
    Methods:
    This study was conducted in a tertiary referral hospital in Southern Malaysia. Relevant clinical and laboratory data upon admission were retrieved from medical records of 253 consecutive DENV nonstructural protein 1 (NS1) antigen and PCR-positive hospitalized patients. The DENV serotype present in each patient was determined. Patients were stratified based on duration of hospital stay (<4 vs. ≥4 days). Data were analyzed using IBM® SPSS® 25.0. Multivariate logistic regression was performed to examine the association between PH and admission parameters.
    Results:
    Of 253 DENV hospitalized patients, 95 (37.5%) had PH (≥4 days). The mean duration of hospital stay was 3.43 ± 2.085 days (median = 3 days, interquartile range = 7 days). Diabetes mellitus (adjusted odds ratio [AOR] = 6.261, 95% confidence interval [CI] = 2.130-18.406, p = 0.001), DENV-2 serotype (AOR = 2.581, 95% CI = 1.179-5.650, p = 0.018), duration of fever ≤4 days (AOR = 2.423, 95% CI = 0.872-6.734, p = 0.09), and a shorter preadmission fever duration (AOR = 0.679, 95% CI = 0.481-0.957, p = 0.027) were independently associated with PH. However, PH was not found to be associated with symptoms on admission, secondary DENV infections or platelet count, hematocrit, or liver enzyme levels on admission.
    Conclusions:
    Early identification of these factors at presentation may alert clinicians to anticipate and recognize challenges in treating such patients, leading to more focused management plans that may shorten the duration of hospitalization.
    Matched MeSH terms: Retrospective Studies
  16. Thanimalai S, Shafie AA, Ahmad Hassali MA, Sinnadurai J
    Value Health Reg Issues, 2018 May;15:34-41.
    PMID: 29474176 DOI: 10.1016/j.vhri.2017.05.006
    BACKGROUND: Systematic anticoagulation management clinic is recommended to manage patients on chronic warfarin therapy. In Malaysia, the service was introduced as warfarin medication therapy adherence clinic (WMTAC), which is managed by pharmacists with a physician advisory.
    OBJECTIVES: To assess the cost-effectiveness of WMTAC in comparison with usual medical clinic (UMC), which is managed by medical officers in Kuala Lumpur Hospital, a tertiary referral hospital in Malaysia.
    METHODS: Data from a 6-month retrospective cohort study comparing the two clinics and the mean percentages of time in the therapeutic range for the patients were used to estimate the cost-effectiveness. The mean clinic costs were estimated using the time-motion study. A Markov model with a 6-monthly cycle was used to simulate lifetime cost-effectiveness from the perspective of the health care service provider. The base-case analysis assumed a cohort of patients with atrial fibrillation, 57 years of age with comorbid illnesses. The transition probabilities of these clinic outcomes were obtained from a literature search. Future costs and effectiveness were discounted by 3% to convert to present values. All costs were in Malaysian ringgit standardized for the year 2007.
    RESULTS: The mean 6-month treatment cost was lower for the WMTAC, which was significantly lower (P < 0.001). The UMC was found to be dominated by the WMTAC for both intermediate and lifetime analyses. The sensitivity analysis showed that clinic consultation costs had a major impact on the cost-effectiveness analysis.
    CONCLUSIONS: WMTAC is a more cost-effective option than UMC in Kuala Lumpur Hospital.
    Study site: Medical clinic, Hospital Kuala Lumpur, Malaysia
    Matched MeSH terms: Retrospective Studies
  17. Thanimalai S, Shafie AA, Ahmad HM, Sinnadurai J
    Value Health, 2014 Nov;17(7):A487.
    PMID: 27201439 DOI: 10.1016/j.jval.2014.08.1428
    Objectives: Systematic anticoagulation management clinic is now recommended to manage warfarinized atrial fibrillation (AF) patient. In Malaysia, the service is recently introduced as pharmacist managed Warfarin Medication Therapy Adherence Clinic (WMTAC). The objective of the present study was to assess the cost effectiveness of anticoagulation clinic in comparison with usual medical in Kuala Lumpur Hospital.
    Methods: A Markov model built using the provider perspective and 20 year time horizon was used to assess the cost effectiveness. The base case analysis assumed a cohort of patients with AF 57 years of age with comorbid illnesses. Data sources include a 6 month retrospective cohort analysis of the effectiveness of the clinics, the cost of drugs, cost of personnel and space of the clinics, cost of monitoring and cost of adverse events were obtained from the local source and publications. The transition probabilities of these clinics outcomes were obtained from a literature search. Future costs were discounted by 3% to convert to present values. All costs were in Ringgit Malaysia (RM) based on year 2012.
    Results: The results of a 20-year period model showed that UMC was dominated by the WMTAC in the same time period. The mean cost of the WMTAC was RM 5864 whereas the UMC cost was RM 6550. The sensitivity analysis showed that clinic treatment costs and effectiveness influenced the cost-effectiveness. If the cost of WMTAC was increased by 50% of the current cost, the WMTAC would not be a dominant intervention. WMTAC was also cost effective for a willingness to pay of RM32000.
    Conclusions: The anticoagulation management service appears to cost less and provide greater effectiveness than usual care. In conclusion, the Markov model suggests that from the provider perspective the anticoagulation clinic is a more cost effective option than the usual medical clinic in Kuala Lumpur Hospital.
    Study site: Medication Therapy Adherence Clinic, Hospital Kuala Lumpur, Malaysia
    Matched MeSH terms: Retrospective Studies
  18. Jasmi MA, Mazlan MN, Shaharuddin S, Zulkifly HH, Long CM, Hashim R, et al.
    Value Health, 2014 Nov;17(7):A478.
    PMID: 27201388 DOI: 10.1016/j.jval.2014.08.1375
    Conference abstract;
    Objectives: Warfarin use in atrial fibrillation has been established for preventing occurrence of stroke in patients with atrial fibrillation. However, safety and clinical monitoring of warfarin use is crucial due to its risk of bleeding complications. This study aims to compare and establish relation of time in therapeutic range (TTR) of warfarin in patients with atrial fibrillation in the first 6 months and 6 month thereafter of anticoagulation therapy.
    Methods: This is a retrospective study carried out at a tertiary-care hospital with anticoagulation clinic in the state of Selangor, Malaysia. Data collected included patients’ demographics, co-morbidities, and international normalized ratio (INR). TTR were determined using Rosendaal method based on records found in database (INR Desk 4.0 system) and patients’ hemorrhage events were also recorded. Samples of the study were patient who started warfarin from January 2009 until March 2013.
    Results: A total of 167 patients with atrial fibrillation were enrolled and only 6% (n=10) achieved TTR of more than 75% for the first 6 months of warfarin use as compared to 16.8% (n=28) of TTR more than 75% 6 months thereafter. As for bleeding incidences, 29% (n=45) of patients in the group of TTR less than 75% in the first 6 months had bleeding complications as compared to 18.7% (n=26) in patients of TTR less than 75% 6 months after.
    Conclusions: A more regular follow up is necessary during the first 6 months of new warfarin users as they tend to be out of the TTR and have a higher bleeding risk.
    Study site: anticoagulation clinic, tertiary hospital, Selangor, Malaysia
    Matched MeSH terms: Retrospective Studies
  19. Mohd Hajiri M, Shaharuddin S, Long CM, Hashim R, Zulkifly HH, Kasim SS, et al.
    Value Health, 2015 Nov;18(7):A378.
    PMID: 26532133 DOI: 10.1016/j.jval.2015.09.795
    Conference abstract:
    Objectives: Warfarin has been used for more than 50 years as stroke prophylaxis in patients with atrial fibrillation. New oral anticoagulant, Dabigatran, was developed and shown to be safer and more efficacious compared to Warfarin due to its lower tendency of bleeding and in reducing stroke incidences. This study aims to compare the pattern of anticoagulants used and to assess their safety and efficacy by evaluating bleeding and stroke occurrences in both groups.
    Methods: This is a retrospective study carried out at a hospital with hematology clinic in the state of Selangor, Malaysia. The samples of the study were patients with atrial fibrillation, prescribed with warfarin or dabigatran. Data collected includes patients’ demographics, co-morbidities, and stroke and haemorrhage events.
    Results: A total of 71 patients were recruited in this study with 21, 21 and 29 patients were on Warfarin, Dabigatran 110 mg and Dabigatran 150 mg respectively. Out of 50 Dabigatran users, 36 of them are warfarin-experienced. 1 out of 21 patients on warfarin experienced stroke while none in both 110 and 150mg dabigatran group. A total of 11 (52.4%) of warfarin patients experienced bleeding with 2 of them having major bleeding whereas, only 4 (8%) out of 50 dabigatran patients experienced minor bleeding, 1 in patient who were on Dabigatran 150mg and 3 patients who were on Dabigatran 110mg.
    Conclusions: The pattern of anticoagulant used for stroke prophylaxis in atrial fibrillation is slowly changing from Warfarin to Dabigatran. Evaluation of safety and efficacy profile of Warfarin shows that Warfarin requires more extensive management and monitoring in order to achieve therapeutic goals with fewer side effects. Comparison between both anticoagulants show that Dabigatran is safer and more effective compared to warfarin
    Study site: Haematology clinic, hospital, Selangor, Malaysia
    Matched MeSH terms: Retrospective Studies
  20. Alfelali M, Barasheed O, Tashani M, Azeem MI, El Bashir H, Memish ZA, et al.
    Vaccine, 2015 May 21;33(22):2562-9.
    PMID: 25887084 DOI: 10.1016/j.vaccine.2015.04.006
    Influenza is an important health hazard among Hajj pilgrims. For the last ten years, pilgrims are being recommended to take influenza vaccine before attending Hajj. Vaccination coverage has increased in recent years, but whether there has been any change in the prevalence of influenza-like illness (ILI) is not known. In this analysis, we examined the changes in the rate of ILI against seasonal influenza vaccine uptake among Hajj pilgrims over the last decade.
    Matched MeSH terms: Retrospective Studies
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