Displaying publications 81 - 100 of 8649 in total

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  1. Krishnaswamy S
    Med J Malaysia, 1997 Sep;52(3):222-5.
    PMID: 10968089
    Matched MeSH terms: Dementia/epidemiology*; Depressive Disorder/epidemiology*; Malaysia/epidemiology
  2. Kaldor JM, Sittitrai W, John TJ, Kitamura T
    AIDS, 1994;8 Suppl 2:S1-2.
    PMID: 7857551
    Matched MeSH terms: Asia/epidemiology; Pacific Islands/epidemiology; HIV Infections/epidemiology*
  3. Leung R, Ho P
    Thorax, 1994 Dec;49(12):1205-10.
    PMID: 7878553
    Whilst many recent reports have suggested a rise in the prevalence of asthma and allergic disease in Western countries, little is known about the epidemiology of these common conditions in south-east Asia. This study compared the prevalence of asthma and allergic disease amongst secondary school students in three south-east Asian populations--Hong Kong, Kota Kinabalu in Malaysia, and San Bu in China--and investigated the associations with atopy and family history.
    Matched MeSH terms: Asthma/epidemiology*; China/epidemiology; Dermatitis, Atopic/epidemiology; Rhinitis, Allergic, Seasonal/epidemiology; Hong Kong/epidemiology; Hypersensitivity/epidemiology*; Hypersensitivity, Immediate/epidemiology; Malaysia/epidemiology
  4. Lim VK
    Med J Malaysia, 1991 Dec;46(4):298-300.
    PMID: 1840435
    Matched MeSH terms: Asia, Southeastern/epidemiology; Malaysia/epidemiology; Tuberculosis, Pulmonary/epidemiology*
  5. Md Noh MSF
    J Neuroradiol, 2020 Sep;47(5):329-330.
    PMID: 32444286 DOI: 10.1016/j.neurad.2020.05.004
    Matched MeSH terms: Brain Diseases/epidemiology; Pneumonia, Viral/epidemiology; Coronavirus Infections/epidemiology
  6. Wu M, Li M, Yuan J, Liang S, Chen Z, Ye M, et al.
    Pharmacol Res, 2020 05;155:104693.
    PMID: 32057896 DOI: 10.1016/j.phrs.2020.104693
    Hormone therapy continues to be a favourable option in the management of menopausal symptomatology, but the associated risk-benefit ratios with respect to neurodegenerative diseases remain controversial. The study aim was to determine the relation between menopausal hormone therapy and Alzheimer's disease, dementia, and Parkinson's disease in human subjects. A literature search was performed in PubMed/Medline, Cochrane collaboration, and Scopus databases from onset of the database to September 2019. Random-effects model was used to estimate pooled odd ratio (OR) and 95 % confidence intervals (CI). Subgroup analysis was performed based on the type and formulation of hormone. In addition, the time-response effect of this relationship was also assessed based on duration of hormone therapy. Associations between hormone therapy and Alzheimer's disease, dementia, and Parkinson's disease in menopausal women were reported in 28 studies. Pooled results with random effect model showed a significant association between hormone therapy and Alzheimer's disease (OR 1.08, 95 % CI 1.03-1.14, I2: 69 %). This relationship was more pronounced in patients receiving the combined estrogen-progestogen formulation. Moreover, a significant non-linear time-response association between hormone therapy and Alzheimer's disease was also identified (Coef1 = 0.0477, p1<0.001; Coef2 = -0.0932, p2<0.001). Similarly, pooled analysis revealed a significant association between hormone therapy and all-cause dementia (OR 1.16, 95 % CI 1.02-1.31, I2: 19 %). Interestingly, no comparable relationship was uncovered between hormone therapy as a whole and Parkinson's disease (OR 1.14, 95 % CI 0.95-1.38, I2: 65 %); however, sub-group analysis revealed a significant relationship between the disease and progestogen (OR 3.41, 95 % CI 1.23-9.46) or combined estrogen-progestogen formulation use (OR 1.49, 95 % CI 1.34-1.65). Indeed, this association was also found to be driven by duration of exposure (Coef1 = 0.0626, p1 = 0.04). This study reveals a significant direct relationship between the use of certain hormonal therapies and Alzheimer's disease, all-cause dementia, and Parkinson's disease in menopausal women. However, the association appears to shift in direct after five years in the context of Alzheimer's disease, adding further weight to the critical window or timing hypothesis of neurodegeneration and neuroprotection.
    Matched MeSH terms: Alzheimer Disease/epidemiology*; Dementia/epidemiology*; Parkinson Disease/epidemiology*
  7. Cassol S, Weniger BG, Babu PG, Salminen MO, Zheng X, Htoon MT, et al.
    AIDS Res Hum Retroviruses, 1996 Oct 10;12(15):1435-41.
    PMID: 8893051
    Global surveillance of HIV-1 subtypes for genetic characterization is hampered by the biohazard of processing and the difficulties of shipping whole blood or cells from many developing country regions. We developed a technique for the direct automated sequencing of viral DNA from dried blood spot (DBS) specimens collected on absorbent paper, which can be mailed unrefrigerated in sturdy paper envelopes with low biohazard risk. DBS were collected nonrandomly from HIV-1-infected, mostly asymptomatic, patients in five Asian countries in 1991, and shipped via airmail or hand carried without refrigeration to Bangkok, and then transshipped to North America for processing. After more than 2 years of storage, including 6 months at ambient temperatures, proviral DNA in the DBS was amplified by nested PCR, and a 389-nucleotide segment of the C2-V3 env gene region was sequenced, from which 287 base pairs were aligned and subtyped by phylogenetic analysis with neighbor-joining and other methods. From southern India, there were 25 infections with subtype C and 2 with subtype A. From Myanmar (Burma), we identified the first subtype E infection, as well as six subtype BB, a distinct cluster within subtype B that was first discovered in Thailand and that has now appeared in China, Malaysia, and Japan. From southwest China, one BB was identified, while a "classical" B typical of North American and European strains was found in Indonesia. From Thailand, five DBS of ambiguous serotype were identified as three B, one BB, and one E. A blinded control serotype E specimen was correctly identified, but a serotype BB control was not tested. Most HIV-1 in southern India appears to be env subtype C, with rare A, as others have reported in western and northern India. The subtypes BB and E in Myanmar, and the BB in China, suggest epidemiological linkage with these subtypes in neighboring Thailand. DBS are a practical, economical technique for conducting large-scale molecular epidemiological surveillance to track the global distribution and spread of HIV-1 variants.
    Matched MeSH terms: Myanmar/epidemiology; China/epidemiology; HIV Seropositivity/epidemiology*; India/epidemiology; Indonesia/epidemiology; Thailand/epidemiology; Molecular Epidemiology/methods*
  8. Teh JKL, Bradley DA, Chook JB, Lai KH, Ang WT, Teo KL, et al.
    PLoS One, 2021;16(5):e0252273.
    PMID: 34048477 DOI: 10.1371/journal.pone.0252273
    BACKGROUND: The aim of the study was to visualize the global spread of the COVID-19 pandemic over the first 90 days, through the principal component analysis approach of dimensionality reduction.

    METHODS: This study used data from the Global COVID-19 Index provided by PEMANDU Associates. The sample, representing 161 countries, comprised the number of confirmed cases, deaths, stringency indices, population density and GNI per capita (USD). Correlation matrices were computed to reveal the association between the variables at three time points: day-30, day-60 and day-90. Three separate principal component analyses were computed for similar time points, and several standardized plots were produced.

    RESULTS: Confirmed cases and deaths due to COVID-19 showed positive but weak correlation with stringency and GNI per capita. Through principal component analysis, the first two principal components captured close to 70% of the variance of the data. The first component can be viewed as the severity of the COVID-19 surge in countries, whereas the second component largely corresponded to population density, followed by GNI per capita of countries. Multivariate visualization of the two dominating principal components provided a standardized comparison of the situation in the161 countries, performed on day-30, day-60 and day-90 since the first confirmed cases in countries worldwide.

    CONCLUSION: Visualization of the global spread of COVID-19 showed the unequal severity of the pandemic across continents and over time. Distinct patterns in clusters of countries, which separated many European countries from those in Africa, suggested a contrast in terms of stringency measures and wealth of a country. The African continent appeared to fare better in terms of the COVID-19 pandemic and the burden of mortality in the first 90 days. A noticeable worsening trend was observed in several countries in the same relative time frame of the disease's first 90 days, especially in the United States of America.

    Matched MeSH terms: Africa/epidemiology; Europe/epidemiology; United States/epidemiology
  9. Pang NTP, Nold Imon G, Johoniki E, Mohd Kassim MA, Omar A, Syed Abdul Rahim SS, et al.
    Int J Environ Res Public Health, 2021 Jul 05;18(13).
    PMID: 34281147 DOI: 10.3390/ijerph18137210
    COVID-19 stress and fear of COVID-19 is an increasingly researched construct in the general population. However, its prevalence and association with sociodemographic factors and psychological process variables has not been explored in frontline workers under surveillance in a Bornean population. This study was a cross-sectional study using a sociodemographic questionnaire incorporating two specific epidemiological risk variables, namely specific questions about COVID-19 surveillance status (persons under investigation (PUI), persons under surveillance (PUS), and positive cases) and the nature of frontline worker status. Furthermore, five other instruments were used, with three measuring psychopathology (namely depression, anxiety and stress, fear of COVID-19, and stress due to COVID-19) and two psychological process variables (namely psychological flexibility and mindfulness). Kruskal-Wallis and Mann-Whitney tests were performed to assess if there were significant differences in psychopathology and psychological process variables between sociodemographic and epidemiological risk variables. Hierarchical multiple regression was further performed, with depression, anxiety, and stress as dependent variables. There were significant differences in the fear of COVID-19 between positive cases, PUI, and PUS. The fear of COVID-19 scores were higher in positive cases compared to in PUS and PUI groups. Upon hierarchical multiple regression, mindfulness and psychological flexibility were significant predictors of depression, anxiety, and stress after controlling for sociodemographic and epidemiological risk factors. This study demonstrates that exposure to COVID-19 as persons under investigation or surveillance significantly increases the fear of COVID-19, and brief psychological interventions that can positively influence mindfulness and psychological flexibility should be prioritized for these at-risk groups to prevent undue psychological morbidity in the long run.
    Matched MeSH terms: Anxiety/epidemiology; Depression/epidemiology; Stress, Psychological/epidemiology
  10. Rahman WA, Lye YP, Chandrawathani P
    Trop Biomed, 2010 Aug;27(2):301-7.
    PMID: 20962729 MyJurnal
    One hundred sera of Malaysian cattle were used in this seroprevalence study for bovine babesiosis. All sera were obtained from the Serological Unit of the Veterinary Research Institute (VRI), Ipoh, Perak. The sera were tested using a Veterinary Medical Research & Development (VMRD) commercial Indirect Immunofluourescent Antibody Test (IFAT) kit. The results showed that 17.0% were found to be positive for Babesia bovis, 16.0% for Babesia bigemina, and 9.0% for both B. bovis and B. bigemina infections.
    Matched MeSH terms: Babesiosis/epidemiology; Cattle Diseases/epidemiology*; Malaysia/epidemiology
  11. Lim SY, Tan AH, Ahmad-Annuar A, Klein C, Tan LCS, Rosales RL, et al.
    Lancet Neurol, 2019 09;18(9):865-879.
    PMID: 31175000 DOI: 10.1016/S1474-4422(19)30195-4
    1·8 billion people of diverse ethnicities and cultures live in the Western Pacific Region. The increasing longevity of populations in this region is a major contributor to the exponential increase in Parkinson's disease prevalence worldwide. Differences exist between Parkinson's disease in the Western Pacific Region and in Europe and North America that might provide important insights into our understanding of the disease and approaches to management. For example, some genetic factors (such as LRRK2 mutations or variants) differ, environmental exposures might play differential roles in modulating the risk of Parkinson's disease, and fewer dyskinesias are reported, with some differences in the profile of non-motor symptoms and comorbidities. Gaps in awareness of the disease and inequitable access to treatments pose challenges. Further improvements in infrastructure, clinical governance, and services, and concerted collaborative efforts in training and research, including greater representation of the Western Pacific Region in clinical trials, will improve care of patients with Parkinson's disease in this region and beyond.
    Matched MeSH terms: Asia/epidemiology; Parkinson Disease/epidemiology*; Oceania/epidemiology
  12. Wkly. Epidemiol. Rec., 2017 09 29;92(39):578-86.
    PMID: 28960948
    Matched MeSH terms: Africa/epidemiology; Bhutan/epidemiology; Central America/epidemiology; China/epidemiology; Ecuador/epidemiology; Iran/epidemiology; Malaria/epidemiology; Malaysia/epidemiology; Mexico/epidemiology; Nepal/epidemiology; Paraguay/epidemiology; Saudi Arabia/epidemiology; Suriname/epidemiology; Timor-Leste/epidemiology; Republic of Korea/epidemiology
  13. Chen MY, Lee CN
    Adv Pharmacol, 2000;49:417-36.
    PMID: 11013770
    Matched MeSH terms: Acquired Immunodeficiency Syndrome/epidemiology*; Cambodia/epidemiology; China/epidemiology; India/epidemiology; Malaysia/epidemiology; Taiwan/epidemiology; Thailand/epidemiology; Vietnam/epidemiology
  14. Huang J, Ma ZF, Zhang Y, Wan Z, Li Y, Zhou H, et al.
    Glob Health Res Policy, 2020 11 30;5(1):52.
    PMID: 33292806 DOI: 10.1186/s41256-020-00178-9
    BACKGROUND: Fructose plays an important role in the complex metabolism of uric acid in the human body. However, high blood uric acid concentration, known as hyperuricemia, is the main risk factor for development of gout. Therefore, we conducted an updated meta-analysis on the prevalence and geographical distribution of hyperuricemia among the general population in mainland China using systematic literature search.

    METHODS: Five electronic databases were used to search for relevant articles published until 2019. All calculations were conducted using the Comprehensive Meta-Analysis (CMA) software. We included 108 eligible articles (172 studies by sex, 95 studies by regions, and 107 studies by study type) and an overall sample size of > 808,505 participants.

    RESULTS: The pooled prevalence of hyperuricemia among the general population in mainland China was 17.4% (95% CI: 15.8-19.1%). Our subgroup analysis indicated that the pooled prevalence by regions ranged from 15.5 to 24.6%. Those living Northeast region and being males had the highest prevalence (P  20%), particularly in males. An increasing prevalence was reported since 2005-2009 until 2015-2019. No publication of bias was observed as indicated by a symmetrical funnel plot and Begg and Mazumdar rank correlation (P = 0.392).

    CONCLUSION: Prevalence of hyperuricemia is increasing in China, and future studies should investigate the association between the prevalence of hyperuricemia and its risk factors in order to tackle the issue, particularly among the vulnerable groups. Also, our study was the first comprehensive study to investigate the overall prevalence of hyperuricemia in mainland China covering the six different regions.

    Matched MeSH terms: China/epidemiology; Gout/epidemiology; Hyperuricemia/epidemiology*
  15. Patel JJ, Hill A, Lee ZY, Heyland DK, Stoppe C
    Crit Care Med, 2022 Sep 01;50(9):1371-1379.
    PMID: 35853198 DOI: 10.1097/CCM.0000000000005602
    OBJECTIVES: Concise definitive review of how to read and critically appraise a systematic review.

    DATA SOURCES: None.

    STUDY SELECTION: Current literature describing the conduct, reporting, and appraisal of systematic reviews and meta-analyses.

    DATA EXTRACTION: Best practices for conducting, reporting, and appraising systematic review were summarized.

    DATA SYNTHESIS: A systematic review is a review of a clearly formulated question that uses systematic and explicit methods to identify, select, and critically appraise relevant original research, and to collect and analyze data from the studies that are included in the review. Critical appraisal methods address both the credibility (quality of conduct) and rate the confidence in the quality of summarized evidence from a systematic review. The A Measurement Tool to Assess Systematic Reviews-2 tool is a widely used practical tool to appraise the conduct of a systematic review. Confidence in estimates of effect is determined by assessing for risk of bias, inconsistency of results, imprecision, indirectness of evidence, and publication bias.

    CONCLUSIONS: Systematic reviews are transparent and reproducible summaries of research and conclusions drawn from them are only as credible and reliable as their development process and the studies which form the systematic review. Applying evidence from a systematic review to patient care considers whether the results can be directly applied, whether all important outcomes have been considered, and if the benefits are worth potential harms and costs.

  16. Norhayati MN, Che Yusof R, Azman MY
    Int J Environ Res Public Health, 2021 Aug 30;18(17).
    PMID: 34501747 DOI: 10.3390/ijerph18179157
    COVID-19 has impacted people psychologically globally, including healthcare providers. Anxiety, depression, and stress are the most common impacts that have affected these people. Thus, this study was aimed to ascertain the estimated prevalence of psychological impacts among healthcare providers in the Asian region. A systematic search was performed in the MEDLINE, CINAHL, and Scopus databases for original research articles published between 2020 and April 2021. Only studies published in English were included. The quality of data was assessed using the Joanna Briggs Institute Meta-Analysis, and the analysis was performed using generic inverse variance with a random-effects model by Review Manager software. A total of 80 studies across 18 countries in Asia region were pooled to assess the data prevalence on anxiety (34.81% (95% CI: 30.80%, 38.83%)), depression (34.61% (95% CI: 30.87%, 38.36%)), stress (31.72% (95% CI: 21.25%, 42.18%)), insomnia (37.89% (95% CI: 25.43%, 50.35%)), and post-traumatic stress disorder (15.29% (95% CI: 11.43%, 19.15%)). Subgroup analyses were conducted across regions, type of healthcare providers, sex, and occupation. This review has identified a high prevalence of anxiety, depression, stress, and insomnia but a low prevalence of post-traumatic stress disorder among healthcare providers in Asia regions. Effective intervention support programs are urgently needed to improve psychological health of healthcare providers and maintaining the health system.
    Matched MeSH terms: Anxiety/epidemiology; Depression/epidemiology; Stress, Psychological/epidemiology
  17. Ho JJ
    Med J Malaysia, 2012 Apr;67(2):143-4.
    PMID: 22822630
    Matched MeSH terms: Obesity/epidemiology*
  18. Lau EM, Lee JK, Suriwongpaisal P, Saw SM, Das De S, Khir A, et al.
    Osteoporos Int, 2001;12(3):239-43.
    PMID: 11315243 DOI: 10.1007/s001980170135
    The Asian Osteoporosis Study (AOS) is the first multicenter study to document and compare the incidence of hip fracture in four Asian countries. Hosital discharge data for the year 1997 were obtained for the Hong Kong SAR, Singapore, Malaysia and Thailand (Chiang Mai). The number of patients who were 50 years of age and older and who were discharged with a diagnosis of hip fracture (ICD9 820) was enumerated. The age-specific incidence rates were deduced and were directly adjusted to the US white population in 1989. The age-adjusted rates for men and women (per 100,000) are as follows: Hong Kong, 180 and 459; Singapore, 164 and 442; Malaysia, 88 and 218; Thailand, 114 and 289; compared with US White rates of 187 in men and 535 in women, published in 1989. We conclude that there is moderate variation in the incidence of hip fracture among Asian countries. The rates were highest in urbanized countries. With rapid economic development in Asia, hip fracture will prove to be a major public health challenge.
    Matched MeSH terms: Hip Fractures/epidemiology*; Hong Kong/epidemiology; Malaysia/epidemiology; Osteoporosis/epidemiology; Singapore/epidemiology; Thailand/epidemiology; United States/epidemiology
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