Displaying publications 1 - 20 of 925 in total

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  1. Koh KB
    Singapore Med J, 1993 Aug;34(4):341-2.
    PMID: 8266209
    Xanthogranulomatous pyelonephritis is a clinico-pathological entity that is gaining awareness amongst urologists worldwide. It is an unusual chronic inflammatory lesion involving the kidney that destroys renal parenchyma and may mimic renal carcinoma. It is usually seen in middle-aged women and is associated with urinary tract infections and urinary calculi. Most reports and reviews of this condition come from the West; this study reviews the incidence and presentation of the condition in a Malaysian population.
  2. Ng KH, Peh WC
    Singapore Med J, 2008 Dec;49(12):967-8; quiz 969.
    PMID: 19122944
    The purpose of the results section is to present the main data collected and the observations made during the research. It provides interpretation of the analysed data and does not contain details on the methods, materials or discussion. The first step in writing the results section is to review the analysed data and determine which results to present. This can be done by deciding which results are relevant to the question(s) presented in the introduction, and may be supplemented by illustrative tables and figures. The results section guides the reader through the questions investigated in the study and sets the stage for the discussion in the next section.
  3. Ng KH, Peh WC
    Singapore Med J, 2008 Nov;49(11):856-8; quiz 859.
    PMID: 19037549
    When writing scientific papers to share their research findings with their peers, it is not enough for researchers to just communicate the results of their study; it is equally important to explain the process by which they arrived at their results, so that the study can be replicated to validate the observations. The materials and methods section is used to describe the experimental design and provide sufficient details so that a competent colleague can repeat the experiment. A good materials and methods section will enable readers to evaluate the research performed and replicate the study, if necessary.
  4. Ng KH, Peh WC
    Singapore Med J, 2009 May;50(5):458-60; quiz 461.
    PMID: 19495512
    The discussion section comprises the last component in the IMRAD system. The purpose of this section is to provide the interpretation of the results obtained, explain the implications of the findings, state study limitations and make suggestions for future research. This is a critical part of the scientific paper, as it places the particular study within the broader context of how the research contributes to improving diagnosis, treatment or patient care.
  5. Ng KH, Peh WC
    Singapore Med J, 2010 Feb;51(2):101-3; quiz 104.
    PMID: 20358146
    A technical note is a short article giving a brief description of a specific development, technique or procedure, or it may describe a modification of an existing technique, procedure or device applicable to medicine. The technique, procedure or device described should have practical value and should contribute to clinical diagnosis or management. It could also present a software tool, or an experimental or computational method. Technical notes are variously referred to as technical innovations or technical developments. The main criteria for publication will be the novelty of concepts involved, the validity of the technique and its potential for clinical applications.
  6. Ng KH, Peh WC
    Singapore Med J, 2010 May;51(5):362-6.
    PMID: 20593139
    Evidence-based medicine (EBM) aims to combine the best available scientific evidence with clinical experience and individual judgment of patient needs. In the hierarchy of scientific evidence, systematic reviews (along with meta-analyses) occupy the highest levels in terms of the quality of evidence. A systematic review is the process of searching, selecting, appraising, synthesising and reporting clinical evidence on a particular question or topic. It is currently considered the best, least biased and most rational way to organise, gather, evaluate and integrate scientific evidence from the rapidly-changing medical and healthcare literature. Systematic reviews could be used to present current concepts or serve as review articles and replace the traditional expert opinion or narrative review. This article explains the structure and content of a systematic review.
  7. Peh WC, Ng KH
    Singapore Med J, 2010 Jan;51(1):10-3; quiz 14.
    PMID: 20200769
    A case report is a description of a single case with unique features. This includes a previously-unreported clinical condition, previously-unreported observation of a recognised disease, unique use of imaging or diagnostic test to reveal a disease, previously-unreported treatment in a recognised disease, or previously-unreported complication of a procedure. Case reports should be short and focused, with a limited number of figures and references. The structure of a case report usually comprises a short unstructured (or no) abstract, brief (or no) introduction, succinct but comprehensive report of the case, and to-the-point discussion.
  8. Shamsuddin K, Marmuji LZ
    Singapore Med J, 2010 Oct;51(10):800-5.
    PMID: 21103816
    Several strategies have been developed to reduce hepatitis B infections. These include antenatal screening, universal immunisation of newborns and immunoglobulin therapy for babies who are at risk. Antenatal screening for hepatitis B is not routinely performed, but all newborns in Malaysia are immunised against hepatitis B. We assessed the prevalence of hepatitis B and the factors associated with it among antenatal mothers in Ipoh. This information is useful in decision-making for future hepatitis B screening programmes for antenatal mothers, allowing for immunoglobulin therapies for newborns if their mother's hepatitis B virus (HBV) status is known.
  9. Aye M, Sazali M
    Singapore Med J, 2012 Aug;53(8):545-50.
    PMID: 22941134
    INTRODUCTION: Metabolic syndrome (MS) is a cluster of risk factors that increases the risk of cardiovascular disease and type 2 diabetes mellitus (DM). Waist circumference (WC), a surrogate indicator of abdominal fat mass, is used to measure central obesity associated with increased risk of hypertension, insulin resistance and type 2 DM, whereas body mass index (BMI) is traditionally used to measure somatic obesity. This study aimed to identify the WC and BMI cut-off points to predict the metabolic risk factors for MS and to determine which is a better predictor.
    METHODS: This was a cross-sectional study conducted over a period of six months. The study involved 355 subjects aged 13-91 years. Youden's index was used to identify the optimal cut-off points.
    RESULTS: The optimal cut-off point of WC to predict individual metabolic risk in females was 84.5-91.0 cm. The BMI cut-off point to predict hypertension and raised fasting blood sugar was 23.7 kg/m², and that for low level high-density lipoprotein cholesterol was 22.9 kg/m². For males, the corresponding cut-off points were 86.5-91.0 cm for WC and 20.75-25.5 kg/m² for BMI, with corresponding sensitivities and specificities. Area under the curve and the odds of developing individual and ≥ 2 metabolic risk factors for MS were higher for WC than for BMI.
    CONCLUSION: WC is a better predictor of metabolic risk factors for developing MS than BMI. Therefore, we propose that metabolic risk factors be screened when WC ≥ 80 cm is found in both genders regardless of BMI.
  10. Chan SC
    Singapore Med J, 2012 Mar;53(3):196-202.
    PMID: 22434295
    This study aimed to determine the views of Malaysian interns and their supervisors on whether undergraduate clinical skills training adequately equipped them for internship and their suggestions for improvement.
  11. Chye JK, Lim CT
    Singapore Med J, 1999 Sep;40(9):565-70.
    PMID: 10628243
    To determine the survival rates and risk factors associated with mortality in premature very low birth weight or VLBW (< or = 1500 grams) infants.
  12. Indudharan R, Das PK, Thida T
    Singapore Med J, 1996 Oct;37(5):559-61.
    PMID: 9046219
    Verrucous carcinoma of the paranasal sinuses is a rare malignant tumour. It occurs most frequently in the oral cavity and larynx. We present a case of extensive verrucous carcinoma of the maxillary sinus. This paper discusses the clinical and histological features and modes of treatment. All previous reports of verrucous carcinoma cases of paranasal sinuses are reviewed.
  13. Che' Man AB, Lim HH
    Singapore Med J, 1983 Jun;24(3):135-9.
    PMID: 6635675
    A study was carried out to determine ventilatory capacity (Forced Expiratory Volume or FEV1 and Forced Vital Capacity or FVC) in apparently normal Malay office workers in Malaysia. The subjects, 78 males and 113 females, were interviewed using a standardized questionnaire to exclude those with symptoms or past history of cardiopulmonary disease. Measurements of age, height, weight, FEV, and FVC were made on each subject; the FEV, and FVC were measured using Vitalograph spirometers. The mean FEV, and FVC for males were 3.35 litres and 3.76 Iitres, respectively. For females, the mean FEV, and FVC were 3.46 and 2.72 Iitres, respectively. Height was positively correlated with FEV, and FVC (p
  14. Duncan MT, Husain R, Raman A, Cheah SH, Ch'ng SL
    Singapore Med J, 1990 Dec;31(6):543-7.
    PMID: 2281349
    Pulmonary function parameters were examined in a Malay Muslim population during normal activity and Ramadan fasting conditions. The validity of employing various lung function prediction formulae for the subjects was also assessed. Present findings indicate that the water deprivation regime and resultant dehydration during Ramadan did not cause significant changes in ventilatory functions. Although pulmonary prediction formulae based on Caucasian and African populations were inapplicable to the subjects examined, the equations derived from the neighbouring populations in Singapore could be employed.
  15. Saththasivam P, Umadevan D, Ramli N, Voralu K, Naing NN, Ilias MI, et al.
    Singapore Med J, 2009 Oct;50(10):1004-7.
    PMID: 19907892
    The aim of this study was to determine whether there was a difference in the pain indicators and effectiveness between venipuncture (VP) and heel prick (HP) for blood glucose monitoring in term neonates (recently, venipuncture was shown superior for the Guthrie test).
  16. Thwin SS, Soe MM, Myint M, Than M, Lwin S
    Singapore Med J, 2010 Feb;51(2):e40-2.
    PMID: 20358142
    We report a unique variation in the origin and branches of both the left and right external carotid artery (ECA) found during the dissection of a human cadaver. Knowledge of the possible anatomical variations of the ECA is especially important in facio-maxillary and neck surgeries. Surgeons need to be aware of the possibility of encountering such variations, as they may lead to difficulties in differentiating between the external and internal carotid arteries, and in identifying the branches and origins. This knowledge is also important for radiologists in the image interpretation of the face and neck regions.
  17. Ariffin H, Chen SP, Wong HL, Yeoh A
    Singapore Med J, 2003 Oct;44(10):517-20.
    PMID: 15024455
    In childhood acute lymphoblastic leukaemia (ALL), cytogenetics play an important role in diagnosis, allocation of treatment and prognosis. Conventional cytogenetic analysis, involving mainly karyotyping in our experience, has not been successful in a large proportion of cases due to inadequate metaphase spreads and poor chromosome morphology. Our aim is to develop a highly sensitive and specific method to screen simultaneously for the four most frequent fusion transcripts resulting from specific chromosomal translocations, namely, both the CML- and ALLtype BCR-ABL transcripts of t(9;22), E2A-PBX1 transcript of t(1;19), the MLL-AF4 transcript of t(4;11) and TEL-AML1 (also termed ETV6-CBFA2) of the cryptic t(12;21). A multiplex reverse transcription polymerase chain reaction protocol (RT-PCR) was developed and tested out on archival bone marrow samples and leukaemia cell lines. In all samples with a known translocation detected by cytogenetic techniques, the same translocation was identified by the multiplex-PCR assay. Multiplex RT-PCR assay is an effective, sensitive, accurate and cost-effective diagnostic tool which can improve our ability to accurately and rapidly risk-stratify patients with childhood ALL.
  18. Tharmaseelan NK
    Singapore Med J, 1991 Jun;32(3):187-8.
    PMID: 1876896
    Vaginal vault prolapse after hysterectomy is a distressing complication for both the patient and the surgeon. Successful repair of post-hysterectomy vault prolapse is one of the most difficult problems in gynaecological surgery. The aim of the surgery should be to restore coital function and cure the prolapse permanently.
  19. Lee HY, Subramaniam N, Nordin MM
    Singapore Med J, 1996 Feb;37(1):55-60.
    PMID: 8783915
    To compare the advantages and disadvantages of the New Bird metal cups and silicone cups in terms of maternal and foetal outcome. To study the adverse effects and factors associated with failed vacuum deliveries.
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