Displaying publications 141 - 160 of 674 in total

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  1. Chong SCS, Hollingshead BM, Lim SH, Bourne A
    Glob Public Health, 2021 Jul;16(7):1014-1027.
    PMID: 32985388 DOI: 10.1080/17441692.2020.1822901
    The Malaysian government has committed to 'Fast Tracking the HIV Response' to achieve UNAIDS 2030 targets to end AIDS. The epidemic is concentrated among key populations and has shifted from people who inject drugs to HIV infection through sexual transmission among men who have sex with men, sex workers and transgender people. The aim of this scoping review was to examine social and behavioural research published since 2005 that can inform understanding of each stage of the 90:90:90 treatment cascade (as proposed by UNAIDS), including HIV risk behaviours and testing practices that precede entry. We found a concentration of studies related to predictors or correlates of HIV infections (mostly among men who have sex with men) and a shortfall in literature pertaining to sex workers or transgender people. While several studies examined factors associated with HIV testing, only one examined uptake of antiretroviral therapy and two explored issues of treatment adherence. No study examined broader care and support of people living with HIV. To scale-up effective programmes and apprise investment to achieve the ambitious targets set-out in the Malaysian National HIV/AIDS Strategic Plan, a combination of comprehensive strategic information and evidence generated through primary research is critical.
  2. Abdul Rahim FH, Thambiah CS, Samsudin IN, Mohamed Mokhtar N
    Malays J Pathol, 2020 Aug;42(2):297-300.
    PMID: 32860386
    INTRODUCTION: Cystic fibrosis (CF) is a life-limiting autosomal recessive disorder as a result of CF transmembrane conductance regulator gene mutation. It has a wide range of disease severity in patients with the same genotype.

    CASE REPORT: A 5-year-old Malay boy with a history of recurrent pneumonia, presented with productive cough, fever and worsening tachypnoea. Physical examination revealed coarse crepitations, reduced breath sounds and clubbing. Biochemical investigations showed that he had respiratory type 2 failure as a result of bronchiectasis. Sweat conductivity done twice was raised supporting a diagnosis of CF. Other investigations such as bronchoscopy to look for congenital anomaly of the lung, infectious disease screening and tuberculosis, fungal and viral culture and sensitivity were negative. Further cascade screening revealed high sweat conductivity results in his siblings.

    DISCUSSION: Although CF prevalence is low in Malaysia, it is nevertheless an important diagnosis to be recognised as it is associated with increased morbidity.

  3. Quek KF, Loh CS, Low WY, Razack AH
    Med J Malaysia, 2001 Jun;56(2):158-66.
    PMID: 11771075
    We prospectively evaluated the effect of the treatment of lower urinary tract symptoms (LUTS) on sexual function. The patients were assessed by using the International Index of Erectile Function (IIEF-15) inventory at baseline and three months after medical (alpha-blockers) or surgical treatment (transurethral resection of the prostate, TURP). Following treatment, there were improvement in erectile function and intercourse satisfaction while orgasmic, overall satisfaction and sexual drive were relatively unchanged in the medication group. Patients who had surgical treatment suffered retrograde ejaculation, dissatisfaction in sexual intercourse and overall sexual satisfaction compared to patients who were on alpha-blockers.
    Study site: Urology ward and clinic, University Malaya Medical Centre (UMMC), Kuala Lumpur, Malaysia
  4. Quek KF, Loh CS, Low WY, Razack AH
    World J Urol, 2001 Nov;19(5):358-64.
    PMID: 11760785
    The aim of this study was to determine the effects of surgical treatment of lower urinary tract symptoms (LUTS) in a Malaysian population by evaluating the quality of life before and after treatment.
  5. Jaafar MS, Hamid O, Khor CS, Yuvaraj RM
    Malays J Med Sci, 2002 Jan;9(1):28-33.
    PMID: 22969315 MyJurnal
    The relationship between left ventricular mass (LVM) and the mean arterial blood pressure (MAP) was investigated, using M-Mode echocardiography. MAP was higher in hypertensive patients (p<0.05, n=9) compared to that of controlled subjects. The results showed that LVM index for hypertensive patients was significantly higher (p<0.05, n=9) than that for the normal group. LVM index correlates fairly (r=0.6) with MAP for hypertensive patients. The results also show that the increase of intraventricular septal wall thickness (IVST) was due to hypertension. The LVM (r =0.9) and IVST (r=0.75) of the normal subjects were linearly dependent on the body surface area (BSA). The hypertensive group revealed a non-linear relationship to the BSA.
  6. Quek KF, Low WY, Razack AH, Loh CS
    Med J Malaysia, 2001 Sep;56(3):293-301.
    PMID: 11732073
    Main objective of this study is to validate the Health-Related Quality of Life (HRQOL-20) in the Malaysian population. Reliability and internal consistency were evaluated using the test-retest method and Cronbach's alpha. Responsiveness was expressed as the effect size. Internal consistency was excellent (Cronbach's alpha value = 0.68 to 0.87). Test-retest correlation coefficients and intraclass correlation coefficient were significant (ICC = 0.58 and 0.91) as well as the high degree of sensitivity and specificity. The HRQOL-20 is a reliable, valid and sensitive to clinical changes in the Malaysian urological population.
  7. Quek KF, Low WY, Razack AH, Loh CS
    Med J Malaysia, 2001 Sep;56(3):285-92.
    PMID: 11732072
    This study aimed to validate the Beck Depression Inventory (BDI) in the Malaysian urological population. Reliability and internal consistency were evaluated using the test-retest method and internal consistency was assessed using Cronbach's alpha. Responsiveness was expressed as the effect size. Internal consistency was high (Cronbach's alpha value = 0.56 to 0.87). Test-retest correlation coefficient and intraclass correlation coefficient were significant (ICC = 0.56 to 0.87) and a high degree of sensitivity and specificity. The BDI is thus a reliable and a valid instrument to be used in Malaysia.
  8. Quek KF, Low WY, Razack AH, Loh CS
    Psychiatry Clin Neurosci, 2001 Oct;55(5):509-13.
    PMID: 11555347 DOI: 10.1046/j.1440-1819.2001.00897.x
    This present study was undertaken to validate the English version of the General Health Questionnaire (GHQ-12) in urological patients. Validity and reliability were studied in patients with lower urinary tract symptoms (LUTS) and patients without LUTS. Reliability was evaluated using the test-retest method and internal consistency was assessed using Cronbach's alpha. Sensitivity to change was expressed as the effect size in the pre-intervention versus post-intervention score in additional patients with benign prostatic hyperplasia (BPH) who underwent transurethral resection of the prostate (TURP). Internal consistency was excellent. A high degree of internal consistency was observed for each of the 12 items with Cronbach's alpha value of 0.37-0.79, while total scores was 0.79 in the population study. Test-retest correlation coefficient for the 12 items score were highly significant. Intraclass correlation coefficient was high (0.35-0.79). It showed a high degree of sensitivity and specificity to the effects of treatment. A high degree of significant level between baseline and post-treatment scores were observed across all 12 items in the treatment cohort but not in the control group. The GHQ-12 is suitable, reliable, valid and sensitive to clinical change in urological disorders.
  9. Chan PWK, Goh AYT, Lum LCS
    Med J Malaysia, 1999 Dec;54(4):487-91.
    PMID: 11072467
    Severe bronchiolitis requiring mechanical ventilation is uncommon and is associated with the risk of barotrauma. We report our experience with 25 (42%) of 60 infants admitted to the Paediatric Intensive Care Unit (PICU) with severe bronchiolitis who required mechanical ventilation. Eighteen patients (72%) had severe hypoxaemia (PaO2/FiO2 < 250). The mean airway pressure required ranged from 5.8 to 15.6 cmH2O with median ventilation duration of 4.0 days (range 2.0-14.0 days). Oxygenation improved significantly within 12 hours of intubation. There was only one death. Mechanical ventilation is required in a subset of patients for severe bronchiolitis and is effective and generally well tolerated.
  10. Quek KF, Low WY, Razack AH, Loh CS
    BJU Int, 2000 Oct;86(6):630-3.
    PMID: 11069367
    OBJECTIVE: To assess and evaluate the level of depression, anxiety and psychiatric status in patients with lower urinary tract symptoms (LUTS) before and after treatment by surgery or drugs.

    PATIENTS AND METHODS: The study included 123 patients (mean age 64.6 years, SD 7. 95) with LUTS who were treated medically (with alpha-blockers, i.e. terazosin, prazosin, doxazosin and alfuzosin), and 52 patients (mean age 69.6 years, SD 7.94) with LUTS and confirmed to have benign prostatic hyperplasia (BPH) who underwent transurethral resection of the prostate (TURP). Both groups were assessed at baseline and 3 months after treatment using standardized questionnaires (the Beck Depression Inventory, the State-Trait Anxiety Inventory and the General Health Questionnaire-12).

    RESULTS: Patients before TURP were significantly more depressed, worried and psychiatrically morbid than were those before medical treatment. Three months after medical and surgical treatment, there was significantly less depression, anxiety and psychiatric morbidity in the TURP than in the medication group.

    CONCLUSIONS: TURP is a better treatment than medication for minimising anxiety, depression and psychiatric morbidity after treatment in patients with LUTS, but causes greater psychological stress before treatment.

  11. Soo CS, Ca M, Tay M, Yeoh JK, Sim E, Choo M
    J Am Soc Echocardiogr, 1994 3 1;7(2):159-64.
    PMID: 8185960
    We prospectively studied 37 consecutive patients implanted with the Carbomedics prosthetic heart value in the mitral position (without clinical evidence of prosthetic valve dysfunction) with two-dimensional and Doppler echocardiography. The peak mitral prosthetic gradient ranged from 4.60 to 14.63 (mean 8.97 +/- 2.29) mm Hg; mean mitral prosthetic gradient ranged from 1.67 to 6.18 (mean 3.24 +/- 0.95) mm Hg; pressure half-time derived mitral valve area ranged from 1.67 to 5.30 (mean 2.70 +/- 0.80) cm2. These values compare favorably with that of another bileaflet valve (i.e., the St. Jude Medical valve). There was a wide overlap in peak and mean transmitral gradients, even with the valves of the same size, with a significant but weak inverse relationship between peak mitral gradients and valve size (p = 0.03, r = -0.36). The performance index showed a smaller range of values, again with a significant but weak inverse relationship with valve size (p = 0.001, r = -0.54). The inverse relationship between valve size and peak mitral gradient and performance index should be borne in mind when analyzing Doppler hemodynamic data.
  12. Kan CH, Lee SK, Low CS, Velusamy SS, Cheong I
    Int J Clin Pract, 2000 Dec;54(10):645-6.
    PMID: 11221275
    A cross-sectional study was conducted on 160 Malaysian patients to validate the usefulness of the Siriraj Stroke Score (SSS) for differentiating intracerebral haemorrhage and infarction following acute strokes. Our results indicate that the score lacks sensitivity and specificity. It should thus not be used in epidemiological studies to determine stroke types in a community. More importantly, in the absence of information from neuroimaging of the brain, it cannot be used safely by physicians to assess the need or otherwise of thrombolytic and/or anticoagulant therapy after an acute stroke.
  13. Goh AYT, Lum LCS, Chan PWK, Roziah M
    Med J Malaysia, 1998 Dec;53(4):413-6.
    PMID: 10971986
    An 18-month analysis of 52 percutaneously placed central venous catheters in 48 critically ill children was done. Success rate were 91.7% (33/36) and 93.8% (15/16) for femoral and non-femoral catheters respectively. Presence of hypotension (48.1%) and significant coagulopathy (26.9%) did not affect the success rate significantly. Minor bleeding and venous congestion was seen in 5.5% (2/36) of patients with femoral catheters. Infections were found in 2.7% (1/36) of femoral and 6.6% (1/15) of non-femoral catheters. The low incidence of complications and the relative ease of insertion makes the femoral route the preferred site for trainee medical officers in critically ill children when central access is indicated.
  14. Deshmukh RG, Thevarajan K, Kok CS, Sivapathasundaram N, George SV
    J Arthroplasty, 1998 Feb;13(2):197-9.
    PMID: 9526214
    Revision arthroplasty of the hip is often complicated by infection, bone loss, and perioperative fracture of the femur. A simple, inexpensive spacer that keeps tissue planes intact and prevents soft tissue contracture during the interoperative period of a 2-stage revision is described. This can provide intramedullary support to a fractured or weak femur and enable local antibiotic delivery, as well as permit limited mobilization of the patient. It can be easily fabricated during surgery using universally available materials and can be tailored for specific requirements. Such a spacer was used in 5 cases. The experience is presented, and the technique and pitfalls are discussed.
  15. Loo CS, Lim TO, Fan KS, Murad Z, Suleiman AB
    Med J Malaysia, 1995 Jun;50(2):180-2.
    PMID: 7565192
    A patient with severe hyponatreamia secondary to chronic renal failure was treated with peritoneal dialysis (PD). On the third day of admission, she developed progressive obtundation. Neurological examination showed bilateral brisk reflexes with intact brain stem reflexes. Magnetic resonance imaging demonstrated patchy demyelination of the pontine area indicating central pontine myelinolysis (CPM). Despite supportive measures, the patient died on the fifteenth day of admission. The rate of correction of hyponatraemia with peritoneal dialysis can be rapid and detrimental to hyponatraemic chronic renal failure patients and careful monitoring of serum sodium level is advocated.
  16. Soo CS, Ling LH, Yeoh JK, Choo M, Kannan P
    Angiology, 1993 Dec;44(12):929-32.
    PMID: 8285368
    The authors report 4 Oriental cases of total occlusion of the left main coronary artery (LMCA) with differing presentations. The first patient had a twelve-year history of stable angina pectoris. The second patient had angina for a year, which became unstable two months prior to diagnosis. The third patient had myocardial infarction seven years ago and presented with a one-month history of rest angina. The fourth patient had stable effort angina for six years but presented with accelerated angina three months prior to diagnosis. The incidence of total occlusion of the LMCA is rare and survival depends on the existence of collateral circulation. In LMCA disease, there is usually disease in other parts of the coronary arterial tree, and hence, the need for urgent coronary bypass surgery.
  17. Quek KF, Loh CS, Low WY, Razack AH, Dublin N
    J Sex Marital Ther, 2003 Mar-Apr;29(2):173-6.
    PMID: 12623769
  18. Chen CK, Lau FC, Lee WG, Phui VE
    J Clin Anesth, 2016 Sep;33:75-80.
    PMID: 27555137 DOI: 10.1016/j.jclinane.2016.03.007
    STUDY OBJECTIVES: To compare the anesthetic potency and safety of spinal anesthesia with higher dosages of levobupivacaine and bupivacaine in patients for bilateral sequential for total knee arthroplasty (TKA).

    DESIGN: Retrospective cohort study.

    SETTING: Operation theater with postoperative inpatient follow-up.

    PATIENTS: The medical records of 315 patients who underwent sequential bilateral TKA were reviewed.

    INTERVENTIONS: Patients who received intrathecal levobupicavaine 0.5% were compared with patients who received hyperbaric bupivacaine 0.5% with fentanyl 25 μg for spinal anesthesia.

    MEASUREMENTS: The primary outcome was the use of rescue analgesia (systemic opioids, conversion to general anesthesia) during surgery for both groups. Secondary outcomes included adverse effects of local anesthetics (hypotension and bradycardia) during surgery and morbidity related to spinal anesthesia (postoperative nausea, vomiting, and bleeding) during hospital stay.

    MAIN RESULTS: One hundred fifty patients who received intrathecal levobupivacaine 0.5% (group L) were compared with 90 patients given hyperbaric bupivacaine 0.5% with fentanyl 25 μg (group B). The mean volume of levobupivacaine administered was 5.8 mL (range, 5.0-6.0 mL), and that of bupivacaine was 3.8 mL (range, 3.5-4.0 mL). Both groups achieved similar maximal sensory level of block (T6). The time to maximal height of sensory block was significantly shorter in group B than group L, 18.2 ± 4.5 vs 23.9 ± 3.8 minutes (P< .001). The time to motor block of Bromage 3 was also shorter in group B (8.7 ± 4.1 minutes) than group L (16.0 ± 4.5 minutes) (P< .001). Patients in group B required more anesthetic supplement than group L (P< .001). Hypotension and postoperative bleeding were significantly less common in group L than group B.

    CONCLUSION: Levobupivacaine at a higher dosage provided longer duration of spinal anesthesia with better safety profile in sequential bilateral TKA.

  19. Chong CS, Chong HY, Fun HK, Leong LS
    Health Phys, 1985 Nov;49(5):1008-10.
    PMID: 4066326
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