Displaying publications 1 - 20 of 43 in total

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  1. Aravindhan K, Mat S, Bahyah S, Saedon N, Hasmuk K, Mahadzir H, et al.
    Arch Gerontol Geriatr, 2024 Mar;118:105304.
    PMID: 38056102 DOI: 10.1016/j.archger.2023.105304
    AIM: Several frailty assessment tools are currently used in clinics and research, however, there appears to be a lack of head-to-head comparisons between these tools among older adults in developing countries. This study compared the Cardiovascular Health Study, Study of Osteoporotic Fractures, the Tilburg Frailty Indicator and the Canadian Study of Health and Aging frailty assessment tools and evaluated performance of these individual frailty assessment tools with mortality.

    METHODS: This prospective cohort study utilized stratified simple random sampling to recruit 1614 participants from the Malaysian Elders Longitudinal Research aged above 55 years within the Klang Valley region from 2013 to 2015. Individual items for the frailty tools, alongside baseline physical and cognitive measures were extracted from the initial survey. Mortality data up to 31 December 2020 were obtained through data linkage from the death registry data obtained from the Malaysian National Registration Department.

    RESULTS: Data were available for over 1609 participants, age (68.92 ± 7.52) years and 57 % women, during recruitment. Mortality data revealed 13.4 % had died as of 31 December 2020. Five to 25 % of our study population fulfilled the criteria for frailty using all four frailty tools. This study found an increased risk of mortality with frailty following adjustments for potential factors of falls, total number of illnesses and cognitive impairment, alongside moderate to strong correlation and agreement between frailty tools.

    CONCLUSION: Frailty was associated with increased mortality. All four frailty assessment tools can be used to assess frailty within the Malaysian older adult population. The four available tools, however, may not be interchangeable.

  2. Mohd Safien A, Ibrahim N, Subramaniam P, Singh DKA, Mat Ludin AF, Chin AV, et al.
    Geriatr Gerontol Int, 2024 Feb;24(2):225-233.
    PMID: 38199952 DOI: 10.1111/ggi.14801
    AIM: The present study determines the prevalence of depression and the extent of clinical depression symptoms among community-dwelling older adults with cognitive frailty and its associated factors.

    METHODS: A total of 755 older adults aged ≥60 years were recruited. Their cognitive performance was determined using the Clinical Dementia Rating. Fried's criteria was applied to identify physical frailty, and the Beck Depression Inventory assessed their mental states.

    RESULTS: A total of 39.2% (n = 304) of the participants were classified as cognitive frail. In this cognitive frail subpopulation, 8.6% (n = 26) had clinical depressive symptoms, which were mostly somatic such as disturbance in sleep pattern, work difficulty, fatigue, and lack of appetite. Older adults with cognitive frailty also showed significantly higher depression levels as compared with the noncognitive frail participants (t (622.06) = -3.38; P = 0.001). There are significant associations between depression among older adults with cognitive frailty and multimorbidity (P = 0.009), polypharmacy (P = 0.009), vision problems (P = 0.046), and hearing problems (P = 0.047). The likelihood of older adults with cognitive frailty who experience impairments to their vision and hearing, polypharmacy, and multimorbidity to be depressed also increased by 2, 3, 5, and 7-fold.

    CONCLUSIONS: The majority of the Malaysian community-dwelling older adults were in a good mental state. However, older adults with cognitive frailty are more susceptible to depression due to impairments to their hearing and vision, multimorbidity, and polypharmacy. As common clinical depressive symptoms among older adults with cognitive frailty are mostly somatic, it is crucial for health professionals to recognize these and not to disregard them as only physical illness. Geriatr Gerontol Int 2024; 24: 225-233.

  3. Ibrahim A, Mat Ludin AF, Shahar S, Hamzah NH, Chin AV, Singh DKA
    Exp Gerontol, 2023 Dec;184:112326.
    PMID: 37967590 DOI: 10.1016/j.exger.2023.112326
    INTRODUCTION: Cardiorespiratory fitness has an inverse relationship with cognitive impairment and frailty in older adults. Direct assessment of maximal oxygen consumption (VO2 max) is the gold standard to assess cardiorespiratory fitness. However, it is costly and requires a laboratory setting. Therefore, VO2 max estimation among older adults with cognitive frailty (CF) will allow the assessment of aerobic capacity, which is commonly overlooked due to the complexity of the test.

    AIM: This study aims to determine the use of one of three physical performance tests (2-minute step, 2-minute walk, and 1-minute sit to stand) to effectively estimate cardiorespiratory fitness among older adults with CF.

    METHODS: In this cross-sectional study, community-dwelling individuals aged 60 years old and above in Klang Valley were screened for CF. The participants performed three physical performance tests (2-minute walk, 2-minute step, and 1-minute sit to stand) followed by treadmill-based maximal exercise testing on another day.

    RESULTS: A total of 32 older adults with cognitive frailty (mean age; SD: 67.1;4.7 years) participated in this study. Nearly half of them had hypertension (43.5 %), hypercholesterolemia (43.5 %), and multimorbidity (47.8 %). Among the endurance tests performed, only the 2-minute walk test independently predicted VO2 max by sex-specific with men (R2 = 0.58, p = 0.03) and women (R2 = 0.34, p = 0.01). The 2-minute walk test had good agreement with VO2 max (ICC = 0.77, 95 % CI: -3.1-2.4).

    CONCLUSION: The 2-minute walk test is a valid tool for estimating cardiorespiratory fitness among older adults with CF. However, it should be further tested across a larger population.

  4. Hasmukharay K, Ngoi ST, Saedon NI, Tan KM, Khor HM, Chin AV, et al.
    BMC Infect Dis, 2023 Apr 18;23(1):241.
    PMID: 37072768 DOI: 10.1186/s12879-023-08206-y
    BACKGROUND: Methicillin-resistant Staphylococcus aureus (MRSA) bacteremia is a major concern in the global healthcare system. However, data from Asian regions dealing with the singularity of this infection in older persons is lacking. We aimed to identify the differences in the clinical characteristics and outcomes of MRSA bacteremia between adults aged 18-64 and ≥ 65 years.

    METHODS: A retrospective study cohort was conducted at the University Malaya Medical Centre (UMMC) on cases of MRSA bacteremia from 2012 to 2016. Patient demographic and clinical data were collected for risk factors analyses.

    RESULTS: New cases of MRSA bacteremia showed a trend of increase from 0.12 to 100 admissions in 2012 to 0.17 per 100 admissions in 2016 but a drop was observed in 2014 (0.07 per 100 admissions). Out of the 275 patients with MRSA bacteremia, 139 (50.5%) patients were aged ≥ 65 years old. Co-morbidities and severity at presentation were significantly higher among older adults, including diabetes mellitus (p = 0.035), hypertension (p = 0.001), and ischemic heart disease (p 

  5. Mat S, Jaafar MH, Razack AHA, Lim J, Ong TA, Khong SY, et al.
    Neurourol Urodyn, 2023 Mar;42(3):641-649.
    PMID: 36728321 DOI: 10.1002/nau.25136
    INTRODUCTION: The common assumption that urinary incontinence occurs in osteoarthritis (OA) due to poor mobility is supported by limited evidence. The influence of gender in such associations is also yet to be elucidated.

    OBJECTIVE: This study, therefore, identified any potential associations between knee OA symptoms and urinary incontinence and further explore sex differences in the associations.

    DESIGN: Cross-sectional study.

    SETTING: University Hospital.

    PARTICIPANTS: This was a cross-sectional study from a longitudinal research study comprising 1221 community-dwelling older persons (57% women), mean age (SD) 68.95 (7.49) years.

    MAIN OUTCOME MEASURE(S): Presence of urinary incontinence: mixed, stress and urge symptoms. Physical performance and C-reactive protein levels were also assessed.

    RESULTS: Two hundred and seventy-seven (22.83%) individuals reported the presence of urinary incontinence: mixed (41.5%), stress (30%), and urge (28.5%) symptoms. In an unadjusted analysis, stratified by gender, the association between knee pain and urinary incontinence was only present in women with mixed symptoms. After further adjustment of demographics differences and body mass index, the association between knee pain with any urinary incontinence and mixed symptoms remained significant with the odds ratios (95% confidence interval): 1.48 (1.02-2.15) and 1.73 (1.06-2.83), respectively. This relationship was attenuated after further adjustment for waist circumference and impaired lower limb mobility.

    CONCLUSION: Our study refutes previous assumptions that urinary incontinence in individuals with OA is attributed to impaired mobility alone, but introduces the role of abdominal obesity in this relationship, particularly in women. Future studies should assess the temporal relationship between body fat distribution and OA with urinary incontinence.

  6. Hashim NNA, Mat S, Myint PK, Kioh SH, Delibegovic M, Chin AV, et al.
    Eur J Clin Invest, 2023 Feb;53(2):e13874.
    PMID: 36120810 DOI: 10.1111/eci.13874
  7. Ong JYQ, Mat S, Kioh SH, Hasmuk K, Saedon N, Mahadzir H, et al.
    Eur Geriatr Med, 2022 Dec;13(6):1309-1316.
    PMID: 35809219 DOI: 10.1007/s41999-022-00673-x
    PURPOSE: To determine the risk of adverse outcomes among prefrail and frail individuals with and without cognitive impairment as well as those with isolated cognitive impairment compared to robust individuals without cognitive impairment.

    METHODS: Data from the Malaysian elders longitudinal research (MELoR) study were utilised. Baseline data were obtained from home-based computer-assisted interviews and hospital-based health-checks from 2013 to 2015. Protocol of MELoR study has been described in previous study (Lim in PLoS One 12(3):e0173466, 2017). Follow-up interviews were conducted in 2019 during which data on the adverse outcomes of falls, sarcopenia, hospitalization, and memory worsening were obtained. Sarcopenia at follow-up was determined using the strength, assistance with walking, rising from a chair, climbing stairs, and falls (SARC-F) questionnaire.

    RESULTS: Follow-up data was available for 776 participants, mean (SD) age 68.1 (7.1) years and 57.1% women. At baseline, 37.1% were robust, 12.8% had isolated cognitive impairment, 24.1% were prefrail, 1.0% were frail, 20.2% were prefrail with cognitive impairment, and 4.8% had CF. Differences in age, ethnicity, quality of life, psychological status, function and comorbidities were observed across groups. The association between CF with hospitalisation and falls compared to robust individuals was attenuated by ethnic differences. Pre-frail individuals were at increased risk of memory worsening compared robust individuals [aOR(95%CI) = 1.69 (1.09-2.60)]. Frail [7.70 (1.55-38.20)], prefrail with cognitive impairment [3.35 (1.76-6.39)] and CF [6.15 (2.35-16.11)] were significantly more likely to be sarcopenic at 5-year follow-up compared to the robust group.

    CONCLUSIONS: Cognitive frailty was an independently predictor of sarcopenia at 5-year follow-up. The relationship between CF with falls and hospitalization, however, appeared to be accounted for by ethnic disparities. Future studies should seek to unravel the potential genetic and lifestyle variations between ethnic groups to identify potential interventions to reduce the adverse outcomes associated with CF.

  8. Khor HM, Tan MP, Kumar CS, Singh S, Tan KM, Saedon NB, et al.
    Arch Osteoporos, 2022 Nov 30;17(1):151.
    PMID: 36447075 DOI: 10.1007/s11657-022-01183-w
    The challenges of hip fracture care in Malaysia is scarcely discussed. This study evaluated the outcomes of older patients with hip fracture admitted to a teaching hospital in Malaysia. We found that one in five individuals was no longer alive at one year after surgery. Three out of five patients did not recover to their pre-fracture mobility status 6 months following hip fracture surgery.

    PURPOSE: With the rising number of older people in Malaysia, it is envisaged that the number of fragility hip fractures would also increase. The objective of this study was to determine patient characteristics and long-term outcomes of hip fracture in older individuals at a teaching hospital in Malaysia.

    METHODS: This was a prospective observational study which included consecutive patients aged  ≥ 65 years old admitted to the orthopedic ward with acute hip fractures between March 2016 and August 2018. Patient socio-demographic details, comorbidities, pre-fracture mobility status, fracture type, operation and anesthesia procedure, and length of stay were recorded. Post-fracture mobility status was identified at 6 months. Cox proportional hazard analysis was used to assess the risk of death in all patients.

    RESULTS: 310 patients (70% women) with the mean age of 79.89 years (SD 7.24) were recruited during the study period. Of these, 284 patients (91.6%) underwent surgical intervention with a median time to surgery of 5 days (IQR 3-8) days. 60.4% of patients who underwent hip fracture surgery did not recover to their pre-fracture mobility status. One year mortality rate was 20.1% post hip fracture surgery. The independent predictor of mortality included advanced age (hazard ratio, HR = 1.05, 95% CI = 1.01-1.08; p = 0.01), dependency on activities of daily living (HR = 2.08, 95% CI = 1.26-3.45; p = 0.01), and longer length of hospitalization (HR = 1.02, 95% CI = 1.01-1.04; p 

  9. Tan YR, Tan MP, Khor MM, Hoh HB, Saedon N, Hasmukharay K, et al.
    Postgrad Med, 2022 Mar;134(2):224-229.
    PMID: 34758702 DOI: 10.1080/00325481.2021.2004792
    AIM: The COVID-19 pandemic has disrupted the delivery of healthcare to vulnerable older adults, prompting the expansion of telemedicine usage. This study surveyed the acceptance of virtual medical consultations among older adults and caregivers within geriatric outpatient services in a tertiary hospital during the pandemic.

    METHODS: A cross-sectional survey was conducted among caregivers and patients attending geriatric outpatient services in Kuala Lumpur, Malaysia. The survey measured the availability of equipment for virtual consultations, prior knowledge and experience of telemedicine, and willingness to consult geriatricians through virtual technology, using the Unified Theory of Acceptance and Use of Technology (UTAUT) scale.

    RESULTS: A total of 197 caregivers and 42 older patients with a mean age of 54.28 (±13.22) and 75.62 (±7.32) years, respectively, completed the survey. One hundred and fifty-six (79.2%) of the caregivers were adult children accompanying patients. The mean UTAUT score was 65.97 (±13.71) out of 90, with 66.64 (±13.25) for caregivers and 62.79 (±15.44) for older adults, suggesting a high acceptance of adopting virtual consultations in lieu of face-to-face care. The independent predictors of acceptance of virtual consultation were : possession of an electronic device capable of video-communication, living with someone, living in a care home, weekly online banking usage, and perceived familiarity with virtual platforms.

    CONCLUSION: Caregivers and patients indicated a high level of acceptance of virtual medical consultations, which is likely facilitated by caregivers such as adult children or spouses at home or staff in care homes. To minimize the transmission of COVID-19 in a highly vulnerable group, virtual consultations are an acceptable alternative to face-to-face consultations for older people and their caregivers in our setting.

  10. Tan MS, Cheah PL, Chin AV, Looi LM, Chang SW
    Comput Biol Med, 2021 12;139:104947.
    PMID: 34678481 DOI: 10.1016/j.compbiomed.2021.104947
    Alzheimer's Disease (AD) is a neurodegenerative disease that affects cognition and is the most common cause of dementia in the elderly. As the number of elderly individuals increases globally, the incidence and prevalence of AD are expected to increase. At present, AD is diagnosed clinically, according to accepted criteria. The essential elements in the diagnosis of AD include a patients history, a physical examination and neuropsychological testing, in addition to appropriate investigations such as neuroimaging. The omics-based approach is an emerging field of study that may not only aid in the diagnosis of AD but also facilitate the exploration of factors that influence the development of the disease. Omics techniques, including genomics, transcriptomics, proteomics and metabolomics, may reveal the pathways that lead to neuronal death and identify biomolecular markers associated with AD. This will further facilitate an understanding of AD neuropathology. In this review, omics-based approaches that were implemented in studies on AD were assessed from a bioinformatics perspective. Current state-of-the-art statistical and machine learning approaches used in the single omics analysis of AD were compared based on correlations of variants, differential expression, functional analysis and network analysis. This was followed by a review of the approaches used in the integration and analysis of multi-omics of AD. The strengths and limitations of multi-omics analysis methods were explored and the issues and challenges associated with omics studies of AD were highlighted. Lastly, future studies in this area of research were justified.
  11. Rosli R, Goodson M, Tan MP, Mohan D, Reidpath D, Allotey P, et al.
    PMID: 34769530 DOI: 10.3390/ijerph182111010
    Few studies to date have evaluated dementia care in Malaysia, and the focus of studies has primarily been on epidemiological and laboratory research. In this study, we aimed to identify potential challenges for the delivery of dementia care in Malaysia and priorities for research and enhancing existing dementia care. This study used thematic analysis to evaluate the open and focus group workshop discussions guided by semi-structured questions. Triangulation of the collected data (sticky notes, collated field notes, and transcripts of discussions) was achieved through stakeholder consensus agreement during a workshop held in 2017. Five main themes as priorities for dementia care were identified: (1) availability of a valued multi-disciplinary care service, (2) accessibility of training to provide awareness, (3) the functionality of the governance in establishing regulation and policy to empower care services, (4) perceived availability and accessibility of research data, and (5) influence of cultural uniqueness. The findings of this study seek to enhance existing dementia care in Malaysia but have potential application for other low and middle-income countries with a similar social and health care set up. The constructed relationship between themes also tries to tackle the challenges in a more efficient and effective manner, as none of these aforementioned issues are standalone challenges. In addition, we demonstrated how a carefully constructed workshop with defined aims and objectives can provide a useful analysis tool to evaluate health and social care challenges in a multidisciplinary forum.
  12. Rehiman SH, Lim SM, Lim FT, Chin AV, Tan MP, Kamaruzzaman SB, et al.
    Int J Neurosci, 2020 Dec 15.
    PMID: 33280461 DOI: 10.1080/00207454.2020.1860038
    Objective: Alzheimer's disease (AD), the commonest form of dementia which is characterized by progressive decline in cognitive function, can only be definitively diagnosed after death. Although biomarkers may aid diagnosis, currently available AD biomarkers, which are predominantly based on cerebrospinal fluid and neuroimaging facilities, are either invasive or costly. Blood-based biomarkers for AD diagnosis are highly sought after due to its practicality at the clinic. This study was undertaken to determine the differential protein expression in plasma amongst Malaysian AD, mild cognitive impairment (MCI) and non-AD individuals. Methods: A proteomic approach which utilized two-dimensional differential in gel electrophoresis (2 D DIGE) was performed for blood samples from 15 AD, 14 MCI and 15 non-AD individuals. Results: Mass spectrometry (MS)-based protein identification via MALDI ToF/ToF showed that fibrinogen-β-chain (spot 64) and fibrinogen-γ-chain (spot 91) with differential expression ratio >1.5 were significantly upregulated (p 
  13. Rehiman SH, Lim SM, Neoh CF, Majeed ABA, Chin AV, Tan MP, et al.
    Ageing Res Rev, 2020 07;60:101066.
    PMID: 32294542 DOI: 10.1016/j.arr.2020.101066
    In order to gauge the impact of proteomics in discovery of Alzheimer's disease (AD) blood-based biomarkers, this study had systematically reviewed articles published between 1984-2019. Articles that fulfilled the inclusion criteria were assessed for risk of bias. A meta-analysis was performed for replicable candidate biomarkers (CB). Of the 1651 articles that were identified, 17 case-control and two cohort studies, as well as three combined case-control and longitudinal designs were shortlisted. A total of 207 AD and mild cognitive impairment (MCI) CB were discovered, with 48 reported in >2 studies. This review highlights six CB, namely alpha-2-macroglobulin (α2M)ps, pancreatic polypeptide (PP)ps, apolipoprotein A-1 (ApoA-1)ps, afaminp, insulin growth factor binding protein-2 (IGFBP-2)ps and fibrinogen-γ-chainp, all of which exhibited consistent pattern of regulation in >three independent cohorts. They are involved in AD pathogenesis via amyloid-beta (Aβ), neurofibrillary tangles, diabetes and cardiovascular diseases (CVD). Meta-analysis indicated that ApoA-1ps was significantly downregulated in AD (SMD = -1.52, 95% CI: -1.89, -1.16, p 
  14. Yong SS, Kwan Z, Ch'ng CC, Yong ASW, Tan LL, Han WH, et al.
    BMC Geriatr, 2020 06 24;20(1):223.
    PMID: 32580764 DOI: 10.1186/s12877-020-01610-y
    BACKGROUND: The ageing skin is more susceptible to pruritic dermatoses, which are associated with adverse psychosocial effects and reduced quality of life among older adults. This cross-sectional study aimed to identify the burden of pruritus and factors associated with its presence and severity among older adults recruited to the Malaysian Elders Longitudinal Research study.

    METHODS: Seven hundred seventy individuals aged 55 years (lower age limit) and above were interviewed as to whether they experienced pruritus during the preceding week and the locations involved if present. The association between generalised pruritus, sleep quality, and major systemic risk factors were explored.

    RESULTS: 5.97% of respondents reported generalised pruritus. Generalised pruritus was associated with poorer sleep quality, with Pittsburgh Sleep Quality Index score above 6. Mean haemoglobin level was lower in subjects with generalised pruritus (13.14 g/dL) but there was no significant difference in the frequency of generalised pruritus and severe generalized pruritus between subjects with clinically defined anaemia. Also, there were no significant associations between other major systemic risk factors and generalised pruritus in this population-based study. There was no association between generalised pruritus with depression, anxiety or stress.

    CONCLUSION: The negative effect of pruritus on sleep quality suggests a possible deleterious effect of pruritus on health and quality of life. Further prospective research on the longer-term effects of pruritus on health status is now warranted. (222 words).

  15. Tan MP, Ho YY, Chin AV, Saedon N, Abidin IZ, Chee KH, et al.
    Clin Auton Res, 2020 04;30(2):121-128.
    PMID: 31079241 DOI: 10.1007/s10286-019-00610-2
    PURPOSE: To determine the lifetime cumulative incidence of syncope, potential ethnic differences and factors associated with syncope using the Malaysian elders longitudinal research (MELoR) study first wave dataset.

    METHODS: The MELoR study recruited community-dwelling adults aged 55 years and over, selected through stratified random sampling from three parliamentary constituencies. The baseline data collected during the first wave was obtained through face-to-face interviews in participants' homes using computer-assisted questionnaires. During their baseline assessments, participants were asked whether they had ever experienced a blackout in their lifetime and if they had experienced a blackout in the preceding 12 months.

    RESULTS: Information on blackouts and ethnicity were available for 1530 participants. The weight-adjusted lifetime cumulative incidence of syncope for the overall population aged 55 years and above was 27.7%. The estimated lifetime cumulative incidence according to ethnic groups was 34.6% for Malays, 27.8% for Indians and 23.7% for Chinese. The estimated 12-month incidence of syncope was 6.1% overall, equating to 11.7% for Malays, 8.7 % for Indians and 2.3% for Chinese. Both Malay [odds ratio (OR) 1.46; 95% confidence interval (CI) 1.10-1.95 and OR 3.62, 95% CI 1.96-6.68] and Indian (OR 1.34; 95% CI 1.01-1.80 and OR 3.31, 1.78-6.15) ethnicities were independently associated with lifetime and 12-month cumulative incidence of syncope, respectively, together with falls, dizziness and myocardial infarction.

    CONCLUSION: Ethnic differences exist for lifetime cumulative incidence of syncope in community-dwelling individuals aged 55 years and over in an urban area in Southeast Asia. Future studies should now seek to determine potential genetic, cultural and lifestyle differences which may predispose to syncope.

  16. Saedon NI, Frith J, Goh CH, Ahmad WAW, Khor HM, Tan KM, et al.
    Clin Auton Res, 2020 04;30(2):129-137.
    PMID: 31696333 DOI: 10.1007/s10286-019-00647-3
    PURPOSE: Consensus definitions currently define initial orthostatic hypotension (IOH) as ≥ 40 mmHg systolic (SBP) or ≥ 20 mmHg in diastolic blood pressure (DBP) reductions within 15 s of standing, while classical orthostatic hypotension (COH) is defined as a sustained reduction ≥ 20 mmHg SBP or ≥ 10 mmHg SBP within 3 min of standing. The clinical relevance of the aforementioned criteria remains unclear. The present study aimed to determine factors influencing postural blood pressure changes and their relationship with physical, functional and cognitive performance in older adults.

    METHODS: Individuals aged ≥ 55 years were recruited through the Malaysian Elders Longitudinal Research (MELoR) study and continuous non-invasive BP was monitored over 5 min of supine rest and 3 min of standing. Physical performance was measured using the timed-up-and-go test, functional reach, handgrip and Lawton's functional ability scale. Cognition was measured with the Montreal Cognitive Assessment. Participants were categorized according to BP responses into four categories according to changes in SBP/DBP reductions from supine to standing:

  17. Mat S, Kamaruzzaman SB, Chin AV, Tan MP
    Front Public Health, 2020;8:571196.
    PMID: 33163471 DOI: 10.3389/fpubh.2020.571196
    Objectives: To determine the temporal relationship between the presence of knee pain and knee pain severity identified at baseline with fall risk, fear of falling and changes in instrumental activity of daily living at 12-months follow-up. Methods: This was a prospective study from the Malaysian Elders Longitudinal Research (MELoR) study involving community dwelling older persons aged 55 years and older. The presence of one fall in the preceding 12 months, knee pain, and functional capacity were determined at baseline (2013-2015) and follow-up (2015-2016). Function was determined as loss of at least one of seven instrumental activities of daily living (IADL). Physical performance was evaluated at baseline using the timed-up-and-go (TUG) test. Fear of falling (FoF) was determined using the single question "Are you afraid of falling?" Results: Data were available for 605 participants, mean (SD) age = 69.10 (7.24) years. Knee pain was present in 30.2% at baseline. Neither the presence of knee pain nor knee pain severity at baseline were associated with falls at 1-year follow-up. Knee pain was significantly associated with FoF at follow-up [aRR (95%CI) = 1.76 (1.02-3.04)] but not changes in IADL. Among individuals with no falls at baseline, the presence of knee pain was protective of falls at follow-up after adjustment for baseline physical performance [adjusted rate ratio, aRR (95% confidence interval, CI) = 0.35 (0.13-0.97)]. Conclusion: Knee pain is associated with increased FoF at 1.5 years' follow-up within a multi-ethnic population aged 55 years, residing in an urban location in a middle-income South East Asian nation. Interestingly, after differences in muscle strength was accounted for, knee pain was protective against falls at follow-up. Our findings challenge previous assumptions on joint pain and falls and highlights the importance of large prospective studies and further mechanistic research incorporating psychological factors in this area of increasing prominence.
  18. Alex D, Khor HM, Chin AV, Hairi NN, Cumming RG, Othman S, et al.
    Front Public Health, 2020;8:506238.
    PMID: 33304870 DOI: 10.3389/fpubh.2020.506238
    Falls are major issues affecting the older population with potentially serious complications, including fractures, head injury, institutionalization, fear of falling and depression. While risk factors for falls have been established across Western Europe and North America, geographical differences in falls risk have not been well researched. We aim to examine the clinical and physical risk factors for falls in a middle-income South East Asian country. Cross-sectional data from the Malaysian Elders Longitudinal Research (MELoR) study involving 1,362 community dwelling individuals aged 55 years and above was utilized. Information on sociodemographic and medical history was obtained by computer-assisted questionnaires completed during home visits and hospital-based detailed health checks. Univariate and multivariate analyses compared non-fallers and fallers in the previous 12 months. Urinary incontinence, hearing impairment, depression, arthritis and cognitive impairment were risk factors for falls in the past 12 months after adjustment for age in our study population. Awareness about the risk factors in a population helps the design of fall prevention strategies that target specific or multiple risk factors.
  19. Chin AV
    Med J Malaysia, 2019 08;74(4):359-362.
    PMID: 31424053
    No abstract provided.
  20. Jaafar MH, Mahadeva S, Tan KM, Chin AV, Kamaruzzaman SB, Khor HM, et al.
    Nutr Clin Pract, 2019 Apr;34(2):280-289.
    PMID: 30251336 DOI: 10.1002/ncp.10195
    BACKGROUND: A barrier to gastrostomy feeding exists among Asian clinicians and caregivers due to negative perceptions regarding complications. We compared clinical and nutrition outcomes in older dysphagic Asian patients with nasogastric (NG) or gastrostomy tube feeding using a pragmatic study design.

    METHODS: The choice of enteral tube access was determined by managing clinicians and patients/caregivers. Comparisons of tube feeding methods were made during a 4-month period, adjusting statistically for inherent confounders.

    RESULTS: A total of 102 participants (NG: n = 52, gastrostomy: n = 50) were recruited over 2 years from 2013 to 2015. Subjects on long-term NG tube feeding were older (82.67 ± 7.15 years vs 76.88 ± 7.37 years; P < .001) but both groups had similar clinical indications (stroke: 63.5% NG vs 54% gastrostomy; P = .33). After adjustment for confounders, gastrostomy feeding was associated with fewer tube-related complications (adjusted odds ratio [aOR] = 0.19; 95% confidence interval [CI] = 0.06-0.60) and better complication-free survival rate (aOR = 0.32; 95% CI = 0.12-0.89) at 4-month follow-up. Anthropometric and biochemical nutrition parameters improved significantly in both groups at 4 months, but no significant differences were observed at the end of the study.

    CONCLUSION: Gastrostomy feeding is associated with a greater 4-month complication-free survival and lower tube-related complications compared with long-term NG feeding in older Asians with dysphagia. However, no differences in nutrition outcomes were observed between NG and gastrostomy feeding at 4 months.

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