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MyMedR (Malaysian Medical Repository) is an open-access collection of Malaysian health and biomedical research. The materials are imported from PubMed and MyJurnal. We gratefully acknowledge the permission to reuse the materials from the National Library of Medicine of the United States and the Malaysian Citation Centre. This project is funded by the Academy of Family Physicians of Malaysia. The project team members are CL Teng, CJ Ng, EM Khoo, Mastura Ismail, Abrizah Abdullah, TK Chiew, and Thanaletchumi Dharmalingam.

Please note that some citations are non-Malaysian publications. Common reasons are: (1) One or more authors had a Malaysian affiliation; (2) The article abstract mentioned Malaysia; (3) The study subjects included the Malay ethnic group.

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  1. Sasidharan S, Darah I, Noordin MK
    Indian J Pharmacol, 2008 Oct;40(5):227-9.
    PMID: 20040962 DOI: 10.4103/0253-7613.44155
    OBJECTIVE: To isolate the active fraction from crude extract of Gracilaria changii and to determine its in vitro antifungal activity.

    MATERIALS AND METHODS: The active fraction was isolated from the crude extract of G. changii by various purification procedures such as column chromatography, thin layer chromatography, bioauthograph etc. The in vitro antifungal activity (Candida albicans) of the active fraction (1.00, 0.50, and 0.25 mg/ml) was studied by disc diffusion method and the effect of the active fraction on the morphology of yeast was done by scanning electron microscope (SEM) studies.

    RESULTS: An active fraction with remarkable antifungal activity was separated from the crude extract. The active fraction was effective as a fungicide against C. albicans and showed a dose-dependent antifungal activity. A Scanning Electron Microscope (SEM) study confirmed the fungicidal effect of G. changii active fraction on C. albicans, by changing the normal morphology of C. albicans.

    CONCLUSION: From G. changii crude extract, an active fraction with remarkable in vitro antifungal activity has been isolated.

  2. Ayaz A, Saeed S, Farooq MU, Ahmad I, Ali Bahoo ML, Saeed M
    Malays J Med Sci, 2009 Jan;16(1):34-8.
    PMID: 22589646
    The efficacy and safety of oral versus vaginal misoprostol for elective induction of labor in post date multigravida with an unfavourable cervix was compared over a period of one year in the Bahawal Victoria Hospital, Bahawalpur, Pakistan. Eightyeight multigravida post date women were divided into two groups and given 50 mg misoprostol orally and 50 mg intravaginally, respectively. The induction to onset of significant uterine contractions and delivery intervals were lower in the first group (7.8 h vs. 8.9 h) when compared to (10.4 h vs. 12 h). The first group had a higher rate of Caesarean section (7% vs. 4%; p>0.05), uterine hyperstimulation (9% vs. 5%; p>0.05), uterine tachysystole (23% vs. 14%; p>0.05) and neonatal admissions to intensive care unit (12% vs. 4%; p>0.05) when compared to second group. Fifty mg oral misoprostol has the potential to induce labor as safely and effectively as the intravaginal route.
  3. ZamZam R, Thambu M, Midin M, Omar K, Kaur P
    Int J Ment Health Syst, 2009 Jun 18;3(1):13.
    PMID: 19538711 DOI: 10.1186/1752-4458-3-13
    BACKGROUND: Screening for psychiatric disorders in primary care can improve the detection rate and helps in preventing grave consequences of unrecognised and untreated psychiatric morbidity. This is relevant to the Malaysian setting where mental health care is now also being provided at primary care level. The aim of this paper is to report the prevalence of psychiatric illness in a semi-urban primary care setting in Malaysia using the screening tool Patient Health Questionnaire (PHQ).

    METHODS: This is a cross-sectional study carried out in a semi-urban primary healthcare centre located south of Kuala Lumpur. Systematic random sampling was carried out and a total of 267 subjects completed the PHQ during the study period.

    RESULTS: The proportion of respondents who had at least one PHQ positive diagnosis was 24.7% and some respondents had more than one diagnosis. Diagnoses included depressive illness (n = 38, 14.4%), somatoform disorder (n = 32, 12.2%), panic and anxiety disorders (n = 17, 6.5%), binge eating disorder (n = 9, 3.4%) and alcohol abuse (n = 6, 2.3%). Younger age (18 to 29 years) and having a history of stressors in the previous four weeks were found to be significantly associated (p = 0.036 and p = 0.044 respectively) with PHQ positive scores.

    CONCLUSION: These findings are broadly similar to the findings of studies done in other countries and are a useful guide to the probable prevalence of psychiatric morbidity in primary care in other similar settings in Malaysia.

  4. Lam S, Bux S, Kumar G, Ng Kh, Hussain A
    Biomed Imaging Interv J, 2009 Jul;5(3):e13.
    PMID: 21611051 MyJurnal DOI: 10.2349/biij.5.3.e13
    To compare the image quality of the low-dose to the standard-dose protocol of MDCT scanning of the paranasal sinuses, based on subjective assessment and determine the radiation doses to the eyes and thyroid gland and dose reduction between these two protocols.
  5. Raftari M, Jalilian FA, Abdulamir AS, Son R, Sekawi Z, Fatimah AB
    Open Microbiol J, 2009 Aug 04;3:121-7.
    PMID: 19696918 DOI: 10.2174/1874285800903010121
    Appropriate and safe antibacterial agents able to decontaminate meat surfaces have long been big concern of meat industry. In an attempt to manage beef carcass contamination, spray wash treatments utilizing three concentrations (1, 1.5 and 2%) of acetic, lactic, propionic and formic acids were performed to evaluate their efficacy in reducing numbers of Escherichia coli O157:H7 and Staphylococcus aureus on meat tissues. The procured beef pieces of freshly slaughtered animals were decontaminated with hot water and then inoculated with E. coli O157:H7 and S. aureus individually which then were spray washed with organic acids separately. The total plate count of the treated samples showed that the populations of bacteria decreased after being exposed to organic acids. Spray wash of formic acid resulted in the highest reduction of both bacterial species on meat surface. Significantly, higher log reductions were obtained for S. aureus than E. coli O157:H7. It was concluded that organic acids are highly effective in decontaminating meat surfaces and organic acids are shown to be safe, simple, efficient, and cheap modality of meat decontamination which can be highly recommended for industrial scales.
  6. Nur Asyura Adznam S, Shahar S, Rahman SA, Yusof NA, Arshad F, Yassin Z, et al.
    J Nutr Health Aging, 2009 Dec;13(10):925-30.
    PMID: 19924355
    OBJECTIVE: Prior to the development of a healthy ageing and risk reduction of chronic diseases intervention package for older people in Malaysia, a need assessment study was conducted to identify nutritional knowledge status and information needs, as part of an action research process.

    DESIGN: A cross sectional study was conducted among 267 elderly people, 54 care givers and 66 health professionals in two rural areas of Peninsular of Malaysia (i.e Sabak Bernam, Selangor and Kuala Pilah, Negeri Sembilan). Information on nutritional knowledge was obtained from an interview based questionnaire for older subjects and caregiver and through self administered questionnaire from the health professionals. Anthropometric and functional measurements were also conducted among elderly subjects.

    RESULTS: It was found that the elderly subjects had poor nutritional knowledge with 43.8% of them classified as having unsatisfactory nutritional knowledge, followed by moderately satisfactory (33.7%), very unsatisfactory (15.7%) and good (6.7%). Talks, counselling sessions with health professionals and electronic media such as television and radio were the most preferred nutrition education sources among elderly subjects and their care givers. The majority of health professionals studied (98.5%) had good nutritional knowledge. Although most of them (93.6%) were involved in management of the elderly, only 45.5% incorporated nutritional information component in this activity. Most of the health professionals used the guidelines for management of elderly patients (63.6%). However, nutritional knowledge was very minimal in these guidelines. Multiple regression analysis indicated that 'level education', involvement in 'social activities', presence of 'hearing problems', the Instrumental Activities of Daily Living (IADL) score, having previous 'nutritional information' and 'participation in healthy eating programme' were the major predictors of nutritional knowledge score among elderly subjects.

    CONCLUSION: Based on the above findings it is thus, imperative that an appropriate nutritional intervention package and programme be developed so as to help improve nutritional knowledge and subsequently the nutritional status of the rural elderly Malays.

    MeSH terms: Activities of Daily Living; Adult; Aged; Aging/physiology*; Chronic Disease/epidemiology; Chronic Disease/prevention & control; Female; Health Personnel/psychology*; Health Promotion/organization & administration; Health Services for the Aged; Humans; Health Knowledge, Attitudes, Practice*; Male; Middle Aged; Nutritional Physiological Phenomena; Rural Population; Caregivers/psychology*; Needs Assessment; Risk Reduction Behavior*; Nutritional Sciences/education*
  7. Abdullah H, Pihie AHL, Hohmann J, Molnár J
    Cancer Cell Int, 2010 May 04;10:14.
    PMID: 20441573 DOI: 10.1186/1475-2867-10-14
    BACKGROUND: Hydnophytum formicarium Jack is an epyphytic shrub that belongs to the family of Rubiaceae and is native to the tropical rain forests of the Asean region, which includes Malaysia. A flavanoid derivative, 7, 3', 5'-trihydroxyflavanone (3HFD), isolated from H. formicarium has been reported to have cytotoxic effects on the human breast carcinoma cell line MCF-7. The aim of the current study was to investigate the mode of cell death in MCF-7 cells treated with 3HFD. A DNA fragmentation assay was conducted on isolated genomic DNA, a TUNEL assay was used to determine the mode of cell death and Western blotting was used to evaluate the expression levels of Bax and Bcl-2. Immunofluorescence staining of MCF-7 cells was also performed to confirm the up-regulation of the Bax protein.

    RESULTS: The ladder pattern resulting from the DNA fragmentation assay was a multimer of 180 kb. The morphological changes of cells undergoing apoptosis were visualised by a TUNEL assay over time. The percentage of apoptotic cells increased as early as 6 hours post treatment compared to untreated cells. Western blotting revealed up-regulation of the pro-apoptotic protein Bax. However, 3HFD did not affect expression of the anti-apoptotic protein Bcl-2.

    CONCLUSIONS: Our results provide evidence that plant-derived 3HFD was able to induce the apoptotic cell death of MCF-7 cells by increasing Bax expression level and makes 3HFD a promising agent for chemotherapy, which merits further study.

  8. Swamy M, Salleh MJ, Sirajudeen KN, Yusof WR, Chandran G
    Int J Med Sci, 2010 May 31;7(3):147-54.
    PMID: 20567615
    Nitric oxide is postulated to be involved in the pathophysiology of neurological disorders due to hypoxia/ anoxia in brain due to increased release of glutamate and activation of N-methyl-D-aspartate receptors. Reactive oxygen species have been implicated in pathophysiology of many neurological disorders and in brain function. To understand their role in anoxia (hypobaric hypoxia) and reperfusion (reoxygenation), the nitric oxide synthase, argininosuccinate synthetase, argininosuccinate lyase, glutamine synthetase and arginase activities along with the concentration of nitrate /nitrite, thiobarbituric acid reactive substances and total antioxidant status were estimated in cerebral cortex, cerebellum and brain stem of rats subjected to anoxia and reperfusion. The results of this study clearly demonstrated the increased production of nitric oxide by increased activity of nitric oxide synthase. The increased activities of argininosuccinate synthetase and argininosuccinate lyase suggest the increased and effective recycling of citrulline to arginine in anoxia, making nitric oxide production more effective and contributing to its toxic effects. The decreased activity of glutamine synthetase may favor the prolonged availability of glutamic acid causing excitotoxicity leading to neuronal damage in anoxia. The increased formation of thiobarbituric acid reactive substances and decreased total antioxidant status indicate the presence of oxidative stress in anoxia and reperfusion. The increased arginase and sustained decrease of GS activity in reperfusion group likely to be protective.
    MeSH terms: Animals; Anoxia/physiopathology*; Antioxidants/metabolism; Citrulline/metabolism*; Glutamate-Ammonia Ligase/metabolism*; Male; Nitric Oxide/metabolism*; Rats, Sprague-Dawley; Thiobarbituric Acid Reactive Substances/metabolism; Oxidative Stress/physiology*; Rats
  9. Ooi LG, Liong MT
    Int J Mol Sci, 2010 Jun 17;11(6):2499-522.
    PMID: 20640165 DOI: 10.3390/ijms11062499
    Probiotics are live microorganisms that promote health benefits upon consumption, while prebiotics are nondigestible food ingredients that selectively stimulate the growth of beneficial microorganisms in the gastrointestinal tract. Probiotics and/or prebiotics could be used as alternative supplements to exert health benefits, including cholesterol-lowering effects on humans. Past in vivo studies showed that the administration of probiotics and/or prebiotics are effective in improving lipid profiles, including the reduction of serum/plasma total cholesterol, LDL-cholesterol and triglycerides or increment of HDL-cholesterol. However, other past studies have also shown that probiotics and prebiotics had insignificant effects on lipid profiles, disputing the hypocholesterolemic claim. Additionally, little information is available on the effective dosage of probiotics and prebiotics needed to exert hypocholesterolemic effects. Probiotics and prebiotics have been suggested to reduce cholesterol via various mechanisms. However, more clinical evidence is needed to strengthen these proposals. Safety issues regarding probiotics and/or prebiotics have also been raised despite their long history of safe use. Although probiotic-mediated infections are rare, several cases of systemic infections caused by probiotics have been reported and the issue of antibiotic resistance has sparked much debate. Prebiotics, classified as food ingredients, are generally considered safe, but overconsumption could cause intestinal discomfort. Conscientious prescription of probiotics and/or prebiotics is crucial, especially when administering to specific high risk groups such as infants, the elderly and the immuno-compromised.
    MeSH terms: Animals; Anticholesteremic Agents/administration & dosage*; Anticholesteremic Agents/adverse effects; Cholesterol/blood; Cholesterol/metabolism*; Dose-Response Relationship, Drug; Humans; Lipids/blood; Probiotics/administration & dosage*; Probiotics/adverse effects; Lipid Metabolism; Prebiotics*
  10. Al-Mendalawi MD
    Ann Saudi Med, 2011;31(3):316-7.
    PMID: 21623065 DOI: 10.4103/0256-4947.81534
    MeSH terms: Hearing Tests/methods*; Hearing Tests/standards; Humans; Infant, Newborn; Malaysia/epidemiology; Prevalence; Neonatal Screening/methods*; Neonatal Screening/standards; Hearing Loss/diagnosis*; Hearing Loss/epidemiology
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