Displaying publications 1 - 20 of 48 in total

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  1. Commun. Dis. Intell., 1998 Dec 24;22(13):288-91.
    PMID: 9893340
    The World Health Organization Western Pacific Region Gonococcal Antimicrobial Surveillance Programme (WHO WPR GASP) is a multicentric long term programme of continuous surveillance of the antibiotic susceptibility of Neisseria gonorrhoeae. In 1997 the programme examined the susceptibility of 8,594 isolates of gonococci to various antimicrobials in 15 focal points. The trend toward increased antimicrobial resistance noted in earlier years continued. The proportion of quinolone resistant gonococci reported from most centres was either maintained or else increased. More than half of the isolates tested in China-Hong Kong, China, Japan, Korea, and the Philippines had altered quinolone susceptibility and increases in the number and percentage of quinolone resistant strains were noted in most, but not all, of the other centres. Resistance to the penicillins was again widespread, and chromosomally mediated resistance was a significant factor. Penicillinase-producing Niesseria gonorrhoeae (PPNG) were present in all centres. All isolates were sensitive to the third generation cephalosporins and only a very few isolates in China were spectinomycin resistant. High level tetracycline resistance was concentrated in a number of centres including Singapore, Malaysia, the Philippines and Vietnam. The proportion of tetracycline resistant Neiserria gonorrhoeae (TRNG) in most of the remaining centres was less than 10 per cent.
    Matched MeSH terms: Multicenter Studies as Topic
  2. Ravindran J, Kumaraguruparan M
    Med J Malaysia, 1998 Sep;53(3):263-71.
    PMID: 10968164
    A prospective cross-sectional study involving 14 government hospitals was undertaken for a period of 6 months in Malaysia to study the patterns of hysterectomy for gynaecological indications. A total of 707 patients were enrolled in the study consisting of 612 abdominal hysterectomies and 95 vaginal hysterectomies. Fibroids (47.6%) and uterovaginal prolapse (13.4%) formed the main indications for surgery. The initial preoperative diagnosis was accurate in 82.8% of cases. A different pathology from that initially suspected was noted in 118 cases. The overall complication rate was 7.9% but vaginal hysterectomies carried a statistically higher complication rate compared to abdominal hysterectomies. Urinary tract infection was significant in vaginal hysterectomies. Blood transfusion was required in 25.0% of abdominal and 6.3% of vaginal hysterectomies. There were no laparoscopic hysterectomies or mortality in this series.
    Comment in: Soh EB, Ng KB. A survey of hysterectomy patterns in Malaysia. Med J Malaysia. 1999 Mar;54(1):152-4; Teoh TG. Hysterectomies in Malaysia: why are we left behind? Med J Malaysia. 1999 Mar;54(1):151-2
    Matched MeSH terms: Multicenter Studies as Topic
  3. Hanna L
    BETA, 1999 Apr;12(2):8-9.
    PMID: 11366704
    Matched MeSH terms: Multicenter Studies as Topic
  4. Rigg JR, Jamrozik K, Myles PS, Silbert B, Peyton P, Parsons RW, et al.
    Control Clin Trials, 2000 Jun;21(3):244-56.
    PMID: 10822122
    The Multicenter Australian Study of Epidural Anesthesia and Analgesia in Major Surgery (The MASTER Trial) was designed to evaluate the possible benefit of epidural block in improving outcome in high-risk patients. The trial began in 1995 and is scheduled to reach the planned sample size of 900 during 2001. This paper describes the trial design and presents data comparing 455 patients randomized in 21 institutions in Australia, Hong Kong, and Malaysia, with 237 patients from the same hospitals who were eligible but not randomized. Nine categories of high-risk patients were defined as entry criteria for the trial. Protocols for ethical review, informed consent, randomization, clinical anesthesia and analgesia, and perioperative management were determined following extensive consultation with anesthesiologists throughout Australia. Clinical and research information was collected in participating hospitals by research staff who may not have been blind to allocation. Decisions about the presence or absence of endpoints were made primarily by a computer algorithm, supplemented by blinded clinical experts. Without unblinding the trial, comparison of eligibility criteria and incidence of endpoints between randomized and nonrandomized patients showed only small differences. We conclude that there is no strong evidence of important demographic or clinical differences between randomized and nonrandomized patients eligible for the MASTER Trial. Thus, the trial results are likely to be broadly generalizable.
    Matched MeSH terms: Multicenter Studies as Topic
  5. Khor GL, Sharif ZM
    Asia Pac J Clin Nutr, 2003;12(4):427-37.
    PMID: 14672867
    This report is a part of a multi-centre study in Asia on the problem of dual forms of malnutrition in the same households. In Malaysia, the prevalence of underweight and stunting persist among young children from poor rural areas. Overweight in adults, especially women from poor rural areas has been reported in recent years. Thus, this study was undertaken in order to assess the presence of the dual burden of underweight child-overweight mother pairs in a poor rural community. Out of 140 Malay households identified to have at least one child aged 1-6 years and mother aged above 20 years, 52.1% of the mothers were overweight, 15.7% of the children were underweight, 27.1% stunted and 5% wasted. Socio-economic background and food intake frequency data were collected from 54 underweight child/overweight mother pairs (UW/OW) and 41 normal weight child/normal weight mother pairs (NW/NW). Compared with the overweight mothers, a higher percentage of the normal weight mothers had received secondary education, were employed and with a higher household monthly income, although these differences were not significant. Patterns of food intake of the mothers and children appeared to have more similarities than differences between the UW/OW and NW/NW groups. Quantitative dietary intakes for 2 days using 24-hr recall and physical activity energy expenditure over the same period were assessed in a sub-group of UW/OW and NW/NW mothers and children. The NW/NW children showed significantly higher intake of total calories, fat and riboflavin than the UW/OW counterparts. Mean energy and nutrient intake of mothers from both groups were not significantly different, although the NW/NW mothers showed higher intake adequacy for total calories and most nutrients. While most of the mothers from both groups reported having no chronic illnesses, about half of the children in both groups had infections, especially gastrointestinal infections, over a 2-week period. Energy expenditure from physical activity for both UW/OW and NW/NW mothers and children did not differ significantly. This study confirmed inadequate intake of total energy and nutrients as the major factor for underweight in Malay children from rural areas. However, assessing intake and physical activity by interview methods were not sensitive enough to overcome perceived problems of under-reporting of energy intake and over-estimation of energy expenditure, especially by overweight subjects. Further investigations on a larger sample are necessary to understand the family dynamics leading to the double burden of malnutrition within the same household.
    Matched MeSH terms: Multicenter Studies as Topic
  6. Goh PP, Elias H, Norfariza N, Mariam I, National Eye Database Steering Committee
    Med J Malaysia, 2008 Sep;63 Suppl C:20-3.
    PMID: 19227672
    National Eye Database (www.acrm.org.my/ned) is a web based surveillance system which collects data on eye diseases and clinical performance in ophthalmology service. It is a prospective study with online data collection, concurrent descriptive data analysis and real time report. It includes cataract surgery registry, diabetic eye registry, glaucoma registry, contact lens related corneal ulcer surveillance and monthly ophthalmology service census. This article presents the methodology and some registries reports. The web based surveillance system has made dissemination of report prompt, easy and without barrier.
    Matched MeSH terms: Multicenter Studies as Topic
  7. Chang KM, Ong TC
    Med J Malaysia, 2008 Sep;63 Suppl C:66-7.
    PMID: 19227675
    Treatment option of Haematological malignancies has expanded over the last decade. The outcome of treatment is expected to be better compare to previously. However, study of treatment outcome for haematological malignancies has not been carried out in Malaysia. The goal of this study is to measure the treatment outcome in patients with haematological malignancy.
    Matched MeSH terms: Multicenter Studies as Topic
  8. Nor Aina E
    Med J Malaysia, 2008 Sep;63 Suppl C:72-3.
    PMID: 19227677
    Breast cancer is the most common cancer in most part of the world and it is the most common cancer among Malaysian women. In order to estimate the overall survival and prognosis, it was decided that a National Cancer Patient Registry-Breast cancer be set up. It would be a tracking system form for breast cancer patients in Malaysia to help treatment outcomes. There would be useful for evaluating clinical management.
    Matched MeSH terms: Multicenter Studies as Topic
  9. Devi Beena CR, Tang TS, Gerard LC
    Med J Malaysia, 2008 Sep;63 Suppl C:63-5.
    PMID: 19230250
    Carcinoma of the cervix is the most common malignancy in many developing countries. The purpose of this pilot study on cervical cancer patients treated at selected sites in Malaysia is to examine the achievability of collecting information on patients. The data was collected from the medical records of the patients using case report form. The results reveal that more than 90% of the forms had completed data from all sites. The pilot study has demonstrated that it is feasible to register and collect information on cervical cancer patients using the case report forms. Treatment outcome obtained from this data will form the baseline to establish existing clinical practice and will be useful for treating physicians to monitor the treatment outcome and the late complications and with longer followup to measure the disease free and overall survival. In addition, it is an useful tool as the national indicator.
    Matched MeSH terms: Multicenter Studies as Topic
  10. Pua KC, Khoo AS, Yap YY, Subramaniam SK, Ong CA, Gopala Krishnan G, et al.
    Med J Malaysia, 2008 Sep;63 Suppl C:59-62.
    PMID: 19230249
    Nasopharyngeal carcinoma (NPC) is a cancer which is common in Asia. We report the establishment and early results of a multi-institutional prospective study of nasopharyngeal carcinoma, which seeks to systematically collect data as well as blood and tumour tissue samples from patients diagnosed with nasopharyngeal cancer at six centres in Malaysia. A total of 484 confirmed NPC cases were reported from the six participating centres between 1st July 2007 and 29th February 2008. Of these, 225 were newly diagnosed cases, 53 were recurrent cases and 206 were in remission at the time of reporting. Amongst the newly diagnosed cases, the most common presenting symptom was the presence of neck lumps (42%). Ophthalmo-neurologic symptoms were the presenting symptoms of 11% of the new cases. The majority of cases (75%) presented at stage III/IV.
    Matched MeSH terms: Multicenter Studies as Topic
  11. Liew HB, Rosli MA, Wan Azman WA, Robaayah Z, Sim KH, NCVD PCI investigators
    Med J Malaysia, 2008 Sep;63 Suppl C:41-4.
    PMID: 19230246
    The National Cardiovascular Database for Percutaneous Coronary Intervention (NCVD PCI) Registry is the first multicentre interventional cardiology project, involving the main cardiac centres in the country. The ultimate goal of NCVD PCI is to provide a contemporary appraisal of PCI in Malaysia. This article introduces the foundation, the aims, methodology, database collection and preliminary results of the first six-month database.
    Matched MeSH terms: Multicenter Studies as Topic
  12. Wendy L, Radzi M
    Med J Malaysia, 2008 Sep;63 Suppl C:57-8.
    PMID: 19230248
    Colorectal cancer is emerging as one of the commonest cancers in Malaysia. Data on colorectal cancer from the National Cancer Registry is very limited. Comprehensive information on all aspects of colorectal cancer, including demographic details, pathology and treatment outcome are needed as the management of colorectal cancer has evolved rapidly over the years involving several disciplines including gastroenterology, surgery, radiology, pathology and oncology. This registry will be an important source of information that can help the development of guidelines to improve colorectal cancer care relevant to this country. The database will initially recruit all colorectal cancer cases from eight hospitals. The data will be stored on a customized web-based case report form. The database has begun collecting data from 1 October 2007 and will report on its first year findings at the end of 2008.
    Matched MeSH terms: Multicenter Studies as Topic
  13. Yeap SS
    Int J Rheum Dis, 2009 Jul;12(2):177-8; author reply 179.
    PMID: 20374340 DOI: 10.1111/j.1756-185X.2009.01403.x
    Comment on: Shahrir M, Shahdan M, Shahid M, Sulaiman W, Mokhtar AM, Othman M, et al. Multicentre survey of rheumatoid arthritis patients from ministry of health rheumatology centers in malaysia. Int J Rheum Dis. 2008;11(3):287-92. doi:10.1111/j.1756-185X.2008.00379.x;
    Matched MeSH terms: Multicenter Studies as Topic
  14. Ho JJ, Pattanittum P, Japaraj RP, Turner T, Swadpanich U, Crowther CA, et al.
    Int J Gynaecol Obstet, 2010 Oct;111(1):13-8.
    PMID: 20598690 DOI: 10.1016/j.ijgo.2010.04.035
    OBJECTIVE: To examine episiotomy practices before and after a multi-component intervention designed to support the use and generation of research evidence in maternal and neonatal health care.

    METHODS: Set in 9 centers across 4 Southeast Asian countries, a retrospective survey was performed for 12 recommended pregnancy/childbirth practices and 13 outcomes of women in each center before and after intervention. Qualitative interviews were conducted to assess staff awareness and experience in evidence-based practice.

    RESULTS: There were significant decreases in the rate of episiotomy, from 64.1% to 60.1% (risk difference [RD] -4.0; 95% confidence interval [CI], -5.8 to -2.2) for all women and from 92.2% to 80.7% (RD -11.5; 95% CI, -13.4 to -9.6) for nulliparous women. Severe trauma decreased from 3.9% to 1.9% (RD -2.0; 95% CI, -2.7 to -1.4) for all women and from 6.7% to 3.0% (RD -3.7; 95% CI, -4.9 to -2.5) for nulliparous women. The frequency of intact perineum increased from 12.4% to 15.6% (RD 3.2; 95% CI, 1.9-4.6) for all women and from 1.7% to 8.0% (RD 6.3; 95% CI, 5.0-7.5) for nulliparous women.

    CONCLUSION: An intervention based on understanding and using the best available evidence can result in significant improvements in care and health outcomes.

    Matched MeSH terms: Multicenter Studies as Topic
  15. Loke SC, Chin SP, Sivanandam S, Goh PP, Ng RK, Saw KY, et al.
    Stem Cell Rev Rep, 2010 Dec;6(4):507-11.
    PMID: 20669056 DOI: 10.1007/s12015-010-9176-8
    Very few registries worldwide focus on clinical outcomes of stem cell therapy (SCT) as the large number of applications and rapid development of the field complicates registry design considerably. The National Stem Cell Therapy Patient Registry of Malaysia aims to accommodate this by using a main protocol which covers the overall design and administration of the registry, and condition-specific sub-protocols which deal with outcome measures. The registry will start with a few sub-protocols covering existing modes of SCT in Malaysia, with new sub-protocols released periodically as the need arises.
    Matched MeSH terms: Multicenter Studies as Topic
  16. Mizuno H, Fukuda S, Fukumura A, Nakamura YK, Jianping C, Cho CK, et al.
    J Radiat Res, 2017 May 01;58(3):372-377.
    PMID: 27864507 DOI: 10.1093/jrr/rrw108
    A dose audit of 16 facilities in 11 countries has been performed within the framework of the Forum for Nuclear Cooperation in Asia (FNCA) quality assurance program. The quality of radiation dosimetry varies because of the large variation in radiation therapy among the participating countries. One of the most important aspects of international multicentre clinical trials is uniformity of absolute dose between centres. The National Institute of Radiological Sciences (NIRS) in Japan has conducted a dose audit of participating countries since 2006 by using radiophotoluminescent glass dosimeters (RGDs). RGDs have been successfully applied to a domestic postal dose audit in Japan. The authors used the same audit system to perform a dose audit of the FNCA countries. The average and standard deviation of the relative deviation between the measured and intended dose among 46 beams was 0.4% and 1.5% (k = 1), respectively. This is an excellent level of uniformity for the multicountry data. However, of the 46 beams measured, a single beam exceeded the permitted tolerance level of ±5%. We investigated the cause for this and solved the problem. This event highlights the importance of external audits in radiation therapy.
    Matched MeSH terms: Multicenter Studies as Topic*
  17. Cooper DJ, Plewes K, Grigg MJ, Rajahram GS, Piera KA, William T, et al.
    Trials, 2018 Apr 24;19(1):250.
    PMID: 29690924 DOI: 10.1186/s13063-018-2600-0
    BACKGROUND: Plasmodium knowlesi is the most common cause of human malaria in Malaysia. Acute kidney injury (AKI) is a frequent complication. AKI of any cause can have long-term consequences, including increased risk of chronic kidney disease, adverse cardiovascular events and increased mortality. Additional management strategies are therefore needed to reduce the frequency and severity of AKI in malaria. In falciparum malaria, cell-free haemoglobin (CFHb)-mediated oxidative damage contributes to AKI. The inexpensive and widely available drug paracetamol inhibits CFHb-induced lipid peroxidation via reduction of ferryl haem to the less toxic Fe3+ state, and has been shown to reduce oxidative damage and improve renal function in patients with sepsis complicated by haemolysis as well as in falciparum malaria. This study aims to assess the ability of regularly dosed paracetamol to reduce the incidence and severity of AKI in knowlesi malaria by attenuating haemolysis-induced oxidative damage.

    METHODS: PACKNOW is a two-arm, open-label randomised controlled trial of adjunctive paracetamol versus no paracetamol in patients aged ≥ 5 years with knowlesi malaria, conducted over a 2-year period at four hospital sites in Sabah, Malaysia. The primary endpoint of change in creatinine from enrolment to 72 h will be evaluated by analysis of covariance (ANCOVA) using enrolment creatinine as a covariate. Secondary endpoints include longitudinal changes in markers of oxidative stress (plasma F2-isoprostanes and isofurans) and markers of endothelial activation/Weibel-Palade body release (angiopoietin-2, von Willebrand Factor, P-selectin, osteoprotegerin) over 72 h, as well as blood and urine biomarkers of AKI. This study will be powered to detect a difference between the two treatment arms in a clinically relevant population including adults and children with knowlesi malaria of any severity.

    DISCUSSION: Paracetamol is widely available and has an excellent safety profile; if a renoprotective effect is demonstrated, this trial will support the administration of regularly dosed paracetamol to all patients with knowlesi malaria. The secondary outcomes in this study will provide further insights into the pathophysiology of haemolysis-induced oxidative damage and acute kidney injury in knowlesi malaria and other haemolytic diseases.

    TRIAL REGISTRATION: Clinicaltrials.gov, NCT03056391 . Registered on 12 October 2016.

    Matched MeSH terms: Multicenter Studies as Topic
  18. Pisani L, Algera AG, Serpa Neto A, Ahsan A, Beane A, Chittawatanarat K, et al.
    BMJ Open, 2018 04 28;8(4):e020841.
    PMID: 29705765 DOI: 10.1136/bmjopen-2017-020841
    INTRODUCTION: Current evidence on epidemiology and outcomes of invasively mechanically ventilated intensive care unit (ICU) patients is predominantly gathered in resource-rich settings. Patient casemix and patterns of critical illnesses, and probably also ventilation practices are likely to be different in resource-limited settings. We aim to investigate the epidemiological characteristics, ventilation practices and clinical outcomes of patients receiving mechanical ventilation in ICUs in Asia.

    METHODS AND ANALYSIS: PRoVENT-iMIC (study of PRactice of VENTilation in Middle-Income Countries) is an international multicentre observational study to be undertaken in approximately 60 ICUs in 11 Asian countries. Consecutive patients aged 18 years or older who are receiving invasive ventilation in participating ICUs during a predefined 28-day period are to be enrolled, with a daily follow-up of 7 days. The primary outcome is ventilatory management (including tidal volume expressed as mL/kg predicted body weight and positive end-expiratory pressure expressed as cm H2O) during the first 3 days of mechanical ventilation-compared between patients at no risk for acute respiratory distress syndrome (ARDS), patients at risk for ARDS and in patients with ARDS (in case the diagnosis of ARDS can be made on admission). Secondary outcomes include occurrence of pulmonary complications and all-cause ICU mortality.

    ETHICS AND DISSEMINATION: PRoVENT-iMIC will be the first international study that prospectively assesses ventilation practices, outcomes and epidemiology of invasively ventilated patients in ICUs in Asia. The results of this large study, to be disseminated through conference presentations and publications in international peer-reviewed journals, are of ultimate importance when designing trials of invasive ventilation in resource-limited ICUs. Access to source data will be made available through national or international anonymised datasets on request and after agreement of the PRoVENT-iMIC steering committee.

    TRIAL REGISTRATION NUMBER: NCT03188770; Pre-results.

    Matched MeSH terms: Multicenter Studies as Topic
  19. Ting CY, Ahmad Zaidi Adruce S, Hassali MA, Ting H, Lim CJ, Ting RS, et al.
    Trials, 2018 Jun 05;19(1):310.
    PMID: 29871651 DOI: 10.1186/s13063-018-2649-9
    BACKGROUND: Amidst the high disease burden, non-adherence to medications among patients with type 2 diabetes mellitus (T2DM) has been reported to be common and devastating. Sarawak Pharmaceutical Services Division has formulated a pharmacist-led, multiple-theoretical-grounding, culturally sensitive and structured group-based program, namely "Know Your Medicine - Take if for Health" (MEDIHEALTH), to improve medication adherence among Malay patients with T2DM. However, to date, little is known about the effectiveness and sustainability of the Program.

    METHODS/DESIGN: This is a prospective, parallel-design, two-treatment-group randomized controlled trial to evaluate the effectiveness and sustainability of MEDIHEALTH in improving medication adherence. Malay patients who have underlying T2DM, who obtain medication therapy at Petra Jaya Health Clinic and Kota Samarahan Health Clinic, and who have a moderate to low adherence level (8-item Morisky Medication Adherence Scale, Malaysian specific, score <6) were randomly assigned to the treatment group (MEDIHEALTH) or the control group. The primary outcome of this study is medication adherence level at baseline and 1, 3, 6 and 12 months post-intervention. The secondary outcomes are attitude, subjective norms, perceived behavioural control, intention and knowledge related to medication adherence measured at baseline and 1, 6 and 12 months post-intervention. The effectiveness and sustainability of the Program will be triangulated by findings from semi-structured interviews with five selected participants conducted 1 month after the intervention and in-depth interviews with two main facilitators and two managerial officers in charge of the Program 12 months after the intervention. Statistical analyses of quantitative data were conducted using SPSS version 22 and Stata version 14. Thematic analysis for qualitative data were conducted with the assistance of ATLAS.ti 8.

    DISCUSSION: This study provides evidence on the effectiveness and sustainability of a structured group-based educational program that employs multiple theoretical grounding and a culturally sensitive approach in promoting medication adherence among Malays with underlying T2DM. Both the quantitative and qualitative findings of this study could assist in the future development of the Program.

    TRIAL REGISTRATION: National Medical Research Register, NMRR-17-925-35875 (IIR). Registered on 19 May 2017. ClinicalTrials.gov, NCT03228706 . Registered on 25 July 2017.

    Matched MeSH terms: Multicenter Studies as Topic
  20. Berwanger O, Abdelhamid M, Alexander T, Alzubaidi A, Averkov O, Aylward P, et al.
    Clin Cardiol, 2018 Oct;41(10):1322-1327.
    PMID: 30098028 DOI: 10.1002/clc.23043
    Primary percutaneous coronary intervention (PCI) is the preferred reperfusion method in patients with ST-segment elevation myocardial infarction (STEMI). In patients with STEMI who cannot undergo timely primary PCI, pharmacoinvasive treatment is recommended, comprising immediate fibrinolytic therapy with subsequent coronary angiography and rescue PCI if needed. Improving clinical outcomes following fibrinolysis remains of great importance for the many patients globally for whom rapid treatment with primary PCI is not possible. For patients with acute coronary syndrome who underwent primary PCI, the PLATO trial demonstrated superior efficacy of ticagrelor relative to clopidogrel. Results in the predefined subgroup of patients with STEMI were consistent with the overall PLATO trial. Patients who received fibrinolytic therapy in the 24 hours before randomization were excluded from PLATO, and there is thus a lack of data on the safety of using ticagrelor in conjunction with fibrinolytic therapy in the first 24 hours after STEMI. The TREAT study addresses this knowledge gap; patients with STEMI who had symptom onset within the previous 24 hours and had received fibrinolytic therapy (of whom 89.4% had also received clopidogrel) were randomized to treatment with ticagrelor or clopidogrel (median time between fibrinolysis and randomization: 11.5 hours). At 30 days, ticagrelor was found to be non-inferior to clopidogrel for the primary safety outcome of Thrombolysis in Myocardial Infarction (TIMI)-defined first major bleeding. Considering together the results of the PLATO and TREAT studies, initiating or switching to treatment with ticagrelor within the first 24 hours after STEMI in patients receiving fibrinolysis is reasonable.
    Matched MeSH terms: Multicenter Studies as Topic*
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