Displaying publications 1 - 20 of 26 in total

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  1. Ahmed SI, Syed Sulaiman SA, Hassali MA, Thiruchelvam K, Hasan SS, Lee CK
    J Infect Prev, 2017 Sep;18(5):242-247.
    PMID: 29317901 DOI: 10.1177/1757177416689723
    Background: Understanding patients' perspective towards HIV screening in Malaysia is pivotal to explore challenges faced by these individuals. This would be beneficial for developing local plans to improve the health-seeking behaviours among population at risk of HIV/AIDS.

    Methods: A qualitative research methodology was adopted to explore HIV/AIDS patients' views about disease screening. A semi-structured interview guide was used for in-depth patient interviews. All interviews were audio-recorded and were subjected to a standard content analysis framework for data analysis.

    Results: Most patients were positive about screening and the value of knowing about their status early. However, fear of social stigma, discrimination, lack of support system and lack of public understanding were identified as major concerns affecting their willingness to be screened. They were concerned about mandatory screening being implemented without improvement in support system and public education.

    Conclusions: Reluctance to seek HIV screening is an important factor contributing to transmission in developing countries. In the Malaysian context, efforts should be made to strengthen screening strategies especially in the most-at-risk populations to monitor the epidemic and target prevention strategies.

    Practice implications: In a multicultural context, HIV preventive strategies must include disease awareness, including measure to tackle barriers towards screening.

  2. Blebil AQ, Dujaili JA, Mohammed AH, Thiruchelvam K, Lee S, Elkalmi R, et al.
    Adv Med Educ Pract, 2022;13:95-102.
    PMID: 35082550 DOI: 10.2147/AMEP.S344872
    Introduction: There is a predicted growth of up to 17% in an older adult of Malaysian above 60 years of age by 2040. This will increase the workload of almost every healthcare provider to ensure optimal geriatric care.

    Purpose: This study aimed to assess pharmacy students' knowledge and attitudes towards geriatric pharmacy education and older patients to determine their preparation in delivering appropriate medical care to the geriatric population.

    Methods: Self-administered questionnaires were distributed among pharmacy students in different Malaysian universities. The survey included several sections to assess multiple aspects such as sociodemographic information, assessment of knowledge using a validated 28-item Geriatric Knowledge Assessment Scale (GKAS), and attitudes towards geriatrics education.

    Results: The response rate was around 70% of the respondents. The mean (± standard deviation) age of the cohort was 22.28 (±1.12) years. Despite around 78% of pharmacy students claiming that their knowledge of geriatric care is adequate, their GKAS score showed that only around 20% have high geriatric knowledge. Around 80% of them showed a positive attitude on the importance of taking courses focused on geriatric care and demonstrated interest to further knowledge and training in geriatric care. However, more than half of the students were uncertain of their answers towards their attitudes regarding older patients.

    Conclusion: Given the growing role of pharmacists in the ageing population, this study highlights the importance of geriatric care education among potential pharmacists. Therefore, we urge the need to improve/develop geriatrics education and training into the pharmacy curriculum to ensure sufficient preparation for actual practice after graduation.

  3. Hasan SS, Thiruchelvam K, Ahmed SI, Clavarino AM, Mamun AA, Kairuz T
    Diabetes Metab Syndr, 2013;7(4):191-7.
    PMID: 24290082 DOI: 10.1016/j.dsx.2013.10.023
    AIMS: The aim of this study was to investigate the association between pregnancy complications, mental health-related problems, and type 2 diabetes mellitus (T2DM) in Malaysian women.
    MATERIALS AND METHODS: A case-control study of women with T2DM (n=160) matched by age range to controls without T2DM (n=160). Data were collected in the Negeri Sembilan and PutraJaya regions in Malaysia, from two hospital outpatient clinics, PutraJaya Hospital and Tuanku Jaa'far Hospital Seremban, and one health clinic at Seremban. Validated, interviewer-administered questionnaires were used to obtain the data. The unadjusted and adjusted estimates were calculated using the Mantel-Haenszel method.
    RESULTS: Neither depression (RR 0.74, 95% CI: 0.39-1.41) nor anxiety (RR 1.00, 95% CI: 0.53-1.88) symptoms increased the risk of T2DM significantly. However, gestational diabetes (RR 1.35, 95% CI: 1.02-1.79), and ≥3 pregnancies (RR 1.39, 95% CI: 1.08-1.79) were significant risk factors for the development of T2DM. T2DM was not a significant risk factor for either depression (RR 1.26, 95% CI: 0.91-1.74) or anxiety symptoms (RR 1.13, 95% CI: 0.59-2.19).
    CONCLUSION: In this study, T2DM is not a significant risk factor for depression and anxiety; similarly, neither are depression and anxiety significant risk factors for T2DM. Although prevalence of depression and anxiety is not alarming, the findings reported here should alert clinicians to screen and treat anxiety and depression in people with diabetes and also note the importance of monitoring women with complications in pregnancy for risk of later T2DM.

    Study site: two hospital outpatient clinics, PutraJaya Hospital and Tuanku Jaa'far Hospital Seremban, and one health clinic at Seremban, Negeri Sembilan, Malaysia
  4. Hasan SS, Thiruchelvam K, Ahmed SI, Clavarino AM, Mamun AA, Kairuz T
    Asian J Psychiatr, 2016 Oct;23:56-63.
    PMID: 27969080 DOI: 10.1016/j.ajp.2016.07.005
    Anxiety and depression are more common among females and those experiencing diabetes and menopause. Menopausal symptoms experienced by women can vary tremendously from population to population; therefore, there is a need to investigate these symptoms and associated risk factors in different communities. This study investigated the differences in psychological health and menopause-specific quality of life (MENQOL) between women with and without diabetes type 2 (T2DM) in Malaysia. Women with T2DM (n=320) were matched by age range to controls without T2DM (n=320). Data were collected from March 2012 to January 2013. Delusions Symptoms States Inventory (DSSI) instrument was used to identify symptoms of depression and anxiety. Women with diabetes had higher depressive (11.8% versus 8.4%) and anxiety (8.4% versus 6.6%) symptoms compared to women without diabetes. In both groups, the most common menopausal symptom was aches (muscles and joints). Women without diabetes had significantly higher scores for the sexual domain compared to women with diabetes (4.20 versus 3.21, p=0.001). The odds that a postmenopausal woman with diabetes was depressed or anxious on the DSSI scale increased significantly when the MENQOL score on the physical, vasomotor, and psychosocial domains increased by one unit. Both diabetes and psychological problems have negative impact on MENQOL. Our findings support the view of screening postmenopausal women with diabetes for depressive and anxiety, to improve overall quality of life.
  5. Hasan SS, Kow CS, Thiruchelvam K, Chong DWK, Ahmed SI
    Neuroepidemiology, 2017;49(1-2):82-90.
    PMID: 28892805 DOI: 10.1159/000480433
    BACKGROUND/AIMS: Old age and institutionalization in care homes are associated with increased use of risk medications affecting the central nervous system (CNS). This study evaluated medication utilization and appropriateness; and assessed frailty among residents of Malaysian aged care homes.

    METHODS: The subjects of this study included 202 elderly (≥65 years) residents of 17 aged care homes in suburban peninsular Malaysia. Frailty was measured using the Groningen Frailty Indicator (GFI) score and independence in daily living was measured as KATZ activity of daily living score. Medication appropriateness was assessed using the Medication Appropriateness Index (MAI) and 2015 Beers' criteria for Potentially Inappropriate Medication (PIM).

    RESULTS: CNS medications constituted about 16% of the total, with an average of 0.8 ± 1.1 medications per resident, which reduced to 0.5 ± 0.8 medications after 3 months. Frailty (154/202) and polypharmacy (90/202) were highly prevalent in study subjects. Subjects on CNS medications had significantly higher GFI score (7.1 vs. 5.9; p = 0.031), polypharmacy (57.8 vs. 35.3%; p = 0.002), number of PIMs (0.9 vs. 0.2; p = 0.001), and mean summed MAI score (3.6 vs. 2.6; p = 0.015) than subjects not on CNS medications. Medication number was also significantly correlated with GFI (r = 0.194; p = 0.006) and KATZ (r = 0.141; p = 0.046) scores.

    CONCLUSION: Frailty and polypharmacy were highly prevalent among aged care home subjects taking CNS medications. These findings support the notion that periodic regular medication review should improve the overall use of medications in elderly patients.

  6. Hasan SS, Thiruchelvam K, Kow CS, Ghori MU, Babar ZU
    Expert Rev Pharmacoecon Outcomes Res, 2017 Oct;17(5):431-439.
    PMID: 28825502 DOI: 10.1080/14737167.2017.1370376
    INTRODUCTION: Medication reviews is a widely accepted approach known to have a substantial impact on patients' pharmacotherapy and safety. Numerous options to optimise pharmacotherapy in older people have been reported in literature and they include medication reviews, computerised decision support systems, management teams, and educational approaches. Pharmacist-led medication reviews are increasingly being conducted, aimed at attaining patient safety and medication optimisation. Cost effectiveness is an essential aspect of a medication review evaluation. Areas covered: A systematic searching of articles that examined the cost-effectiveness of medication reviews conducted in aged care facilities was performed using the relevant databases. Pharmacist-led medication reviews confer many benefits such as attainment of biomarker targets for improved clinical outcomes, and other clinical parameters, as well as depict concrete financial advantages in terms of decrement in total medication costs and associated cost savings. Expert commentary: The cost-effectiveness of medication reviews are more consequential than ever before. A critical evaluation of pharmacist-led medication reviews in residential aged care facilities from an economical aspect is crucial in determining if the time, effort, and direct and indirect costs involved in the review rationalise the significance of conducting medication reviews for older people in aged care facilities.
  7. Kow CS, Thiruchelvam K, Hasan SS
    Expert Rev Cardiovasc Ther, 2020 Aug;18(8):475-485.
    PMID: 32700573 DOI: 10.1080/14779072.2020.1797492
    INTRODUCTION: Cardiovascular diseases (CVDs) are among the most frequently identified comorbidities in hospitalized patients with COVID-19. Patients with CV comorbidities are typically prescribed with long-term medications. We reviewed the management of co-medications prescribed for CVDs among hospitalized COVID-19 patients.

    AREAS COVERED: There is no specific contraindication or caution related to COVID-19 on the use of antihypertensives unless patients develop severe hypotension from septic shock where all antihypertensives should be discontinued or severe hyperkalemia in which continuation of renin-angiotensin system inhibitors is not desired. The continuation of antiplatelet or statin is not desired when severe thrombocytopenia or severe transminitis develop, respectively. Patients with atrial fibrillation receiving oral anticoagulants, particularly those who are critically ill, should be considered for substitution to parenteral anticoagulants.

    EXPERT OPINION: An individualized approach to medication management among hospitalized COVID-19 patients with concurrent CVDs would seem prudent with attention paid to changes in clinical conditions and medications intended for COVID-19. The decision to modify prescribed long-term CV medications should be entailed by close follow-up to check if a revision on the decision is needed, with resumption of any long-term CV medication before discharge if it is discontinued during hospitalization for COVID-19, to ensure continuity of care.

  8. Kow CS, Ramachandram DS, Hasan SS, Thiruchelvam K
    Inflammopharmacology, 2023 Dec;31(6):3339-3355.
    PMID: 37804462 DOI: 10.1007/s10787-023-01349-z
    BACKGROUND: The use of anti-CD20 monoclonal antibodies, such as rituximab and ocrelizumab, has emerged as a matter of concern, in patients with coronavirus disease 2019 (COVID-19).

    OBJECTIVE: We aimed to summarize the overall evidence on the pre-admission/pre-diagnosis use of anti-CD20 among patients with COVID-19 with regards to mortality and severe illness outcomes.

    METHODS: A systematic literature search with no language restriction was performed in electronic databases, including PubMed, Google Scholar, Scopus, and preprint servers (medRxiv, Research Square, SSRN), to identify eligible studies published up to June 13, 2023. The outcomes of interest were the development of severe illness and all-cause mortality. A random-effects model was used to estimate the pooled odds ratio for outcomes of interest using anti-CD20 monoclonal antibodies relative to non-use of anti-CD20 monoclonal antibodies, at 95% confidence intervals.

    RESULTS: Our systematic review and meta-analysis revealed significantly increased odds for development of severe illness (pooled odds ratio 2.95; 95% confidence interval 2.30, 3.78; n = 534,349) and significantly increased odds for mortality (pooled odds ratio 2.14; 95% confidence interval 1.37, 3.35; n = 333,462) with the use of anti-CD20 monoclonal antibodies, relative to non-use of anti-CD20 monoclonal antibodies, in patients with COVID-19.

    CONCLUSION: Healthcare practitioners should exercise caution when prescribing these anti-CD20 monoclonal antibodies during the COVID-19 pandemic to patients who are indicated for these agents, particularly those with underlying conditions like multiple sclerosis or rheumatoid arthritis.

  9. Kow CS, Ramachandram DS, Hasan SS, Thiruchelvam K
    Int J Pharm Pract, 2024 Mar 04.
    PMID: 38438314 DOI: 10.1093/ijpp/riae003
    OBJECTIVES: To determine risks associated with uricosurics in COVID-19 patients.

    METHODS: A systematic review and meta-analysis was conducted by systematically searching electronic databases.

    KEY FINDINGS: The pooled analysis of the included trials revealed that the use of uricosurics was not associated with the risk of mortality (pooled odds ratio [OR] = 1.03, 95% confidence interval [CI]: 0.94-1.12). However, there is a potential mortality benefit associated with the use of ascorbic acid (pooled OR = 0.78, 95% CI: 0.65-0.94).

    CONCLUSIONS: The findings confirmed the safety of uricosurics in COVID-19 patients, despite their potential to cause uric acid excretion, which may possess antioxidant properties.

  10. Kow CS, Ramachandram DS, Hasan SS, Thiruchelvam K
    Am J Med, 2024 Apr;137(4):e81.
    PMID: 38604726 DOI: 10.1016/j.amjmed.2023.10.034
  11. Kow CS, Ramachandram DS, Hasan SS, Thiruchelvam K
    PMID: 38670906 DOI: 10.1016/j.parkreldis.2024.106974
    This article explores the potential link between COVID-19 and parkinsonism, synthesizing existing evidence and recent research findings. It highlights limitations in current understanding, emphasizes the direct impact of the virus on dopamine neurons, and calls for continued research to elucidate long-term neurological implications and optimize patient care strategies.
  12. Thiruchelvam K, Byles J, Hasan SS, Egan N, Kairuz T
    Maturitas, 2021 Apr;146:18-25.
    PMID: 33722360 DOI: 10.1016/j.maturitas.2021.01.005
    OBJECTIVES: This study aimed to determine the prevalence of continuous polypharmacy and hyperpolypharmacy, determine medications that contribute to continuous polypharmacy, and examine the association between frailty and continuous polypharmacy.

    STUDY DESIGN: A prospective study using data from the Australian Longitudinal Study on Women's Health. Women aged 77-82 years in 2003, and 91-96 years in 2017 were analysed, linking the Pharmaceutical Benefits Scheme data to participants' survey data.

    MAIN OUTCOME MEASURES: The association between frailty and continuous polypharmacy was determined using generalised estimating equations for log binomial regressions, controlling for confounding variables. Descriptive statistics were used to determine the proportion of women with polypharmacy, and medications that contributed to polypharmacy.

    RESULTS: The proportion of women with continuous polypharmacy increased over time as they aged. Among participants who were frail (n = 833) in 2017, 35.9 % had continuous polypharmacy and 1.32 % had hyperpolypharmacy. Among those who were non-frail (n = 1966), 28.2 % had continuous polypharmacy, and 1.42 % had hyperpolypharmacy. Analgesics (e.g. paracetamol) and cardiovascular medications (e.g. furosemide and statins) commonly contributed to continuous polypharmacy among frail and non-frail women. Accounting for time and other characteristics, frail women had an 8% increased risk of continuous polypharmacy (RR 1.08; 95 % CI 1.05, 1.11) compared to non-frail women.

    CONCLUSIONS: Combined, polypharmacy and frailty are key clinical and public health challenges. Given that one-third of women had continuous polypharmacy, monitoring and review of medication use among older women are important, and particularly among women who are frail.

  13. Thiruchelvam K, Byles J, Hasan SS, Egan N, Cavenagh D, Kairuz T
    Aging Clin Exp Res, 2021 Jul;33(7):1919-1928.
    PMID: 32909246 DOI: 10.1007/s40520-020-01693-y
    BACKGROUND: Older people use many medications, but combinations of medications used among the oldest old (≥ 80 years) are not commonly reported.

    AIMS: This study aimed to determine common combinations of medications used among women aged 77-96 years and to describe characteristics associated with these combinations.

    METHODS: A cohort study of older women enroled in the Australian Longitudinal Study on Women's Health over a 15-year period was used to determine combinations of medications using latent class analysis. Multinomial logistic regression was used to determine characteristics associated with these combinations.

    RESULTS: The highest medication users during the study were for the cardiovascular (2003: 80.28%; 2017: 85.63%) and nervous (2003: 66.03%; 2017: 75.41%) systems. A 3-class latent model described medication use combinations: class 1: 'Cardiovascular & neurology anatomical group' (27.25%) included participants using medications of the cardiovascular and nervous systems in their later years; class 2: 'Multiple anatomical group' (16.49%) and class 3: 'Antiinfectives & multiple anatomical group' (56.27%). When compared to the reference class (class 1), the risk of participants being in class 3 was slightly higher than being in class 2 if they had > 4 general practitioner visits (RRR 2.37; 95% CI 2.08, 2.71), Department of Veterans Affairs' coverage (RRR 1.59; 95% CI 1.36, 1.86), ≥ 4 chronic diseases (RRR 3.16; 95% CI 2.56, 3.90) and were frail (RRR 1.47; 95% CI 1.27, 1.69).

    CONCLUSION: Identification of combinations of medication use may provide opportunities to develop multimorbidity guidelines and target medication reviews, and may help reduce medication load for older individuals.

  14. Thiruchelvam K, Byles J, Hasan SS, Egan N, Kairuz T
    Aging Clin Exp Res, 2021 Sep;33(9):2499-2509.
    PMID: 33449339 DOI: 10.1007/s40520-020-01772-0
    BACKGROUND: Frailty is an essential consideration with potentially inappropriate medications (PIMs), especially among older women.

    AIMS: This study determined the use of potentially inappropriate medications according to frailty status using the Beers Criteria 2019, identified medications that should be flagged as potentially inappropriate and harmful depending on individual health factors, and determined the association between frailty and PIMs, adjusted for characteristics associated with PIMs.

    METHODS: This prospective longitudinal study included 9355 participants aged 77-82 years at baseline (2003). Frailty was measured using the FRAIL (fatigue, resistance, ambulation, illness and loss of weight) scale. Generalised estimating equations using log-binomial regressions determined the association between frailty and risk of using PIMs.

    RESULTS: Among participants who were frail and non-frail at baseline, the majority used ≥ 3 PIMs (74.2% and 58.5%, respectively). At 2017, the proportion using ≥ 3 PIMs remained constant in the frail group (72.0%) but increased in the non-frail group (66.0%). Commonly prescribed medications that may be potentially inappropriate in both groups included benzodiazepines, proton-pump inhibitors and non-steroidal anti-inflammatory drugs, and risperidone was an additional contributor in the non-frail group. When adjusted for other characteristics, frail women had a 2% higher risk of using PIMs (RR 1.02; 95% CI 1.01, 1.03).

    CONCLUSION: Given that the majority of frail women were using medications that may have been potentially inappropriate, it is important to consider both frailty and PIMs as indicators of health outcomes, and to review the need for PIMs for women aged 77-96 years who are frail.

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