Publications by authors named "Teck Onn Lim"

Introduction: In 2016 the World Health Organization (WHO) had adopted a global strategy to eliminate Hepatitis B (HBV) by 2030 through five core interventions. One of which is the "cascade of care", the continuum of services that persons with chronic Hepatitis B Virus (HBV) should receive as they progress from screening to diagnosis to treatment to chronic care. We determined the prevalence of the awareness and treatment of chronic HBV in Malaysia based on a large sample data from a screening campaign.

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Acute lymphoblastic leukemia (ALL) cases with e13a3 fusion transcripts are extremely rare. We report a 24-year-old male with Ph-positive (Ph+) ALL with an aberrant e13a3 fusion transcript treated with CD19-specific chimeric antigen receptor T-cell (CAR-T) therapy. He developed refractory disease post-chemotherapy induction, andreceived allogeneic hematopoietic stem cell transplantation (allo-HSCT) after salvage with imatinib in combination with chemotherapy regimen.

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Objective: This report focuses on a private medical centre cancer care performance as measured by patient survival outcome for up to 5 years. Methods: All patients with nasopharyngeal cancer treated at SJMC between 2008 and 2012 were enrolled for this observational cohort study. Mortality outcome was ascertained through record linkage with national death register, linkage with hospital registration system and finally through direct contact by phone.

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Background: Two major challenges in implementing budget-constrained Hepatitis screening and treatment campaign in Malaysia are the availability of low-cost point of care tests (POCT) and nucleic acid tests (NAT) for hepatitis C virus ribonucleic acid (HCV RNA) and hepatitis B virus dioxyribo nucleic acid (HBV DNA). We evaluated the performance of these tests in this study.

Methods: We conducted a cross-sectional study to evaluate the diagnostic performance of four POCT brands at 12 sites in Malaysia.

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Background: Epidemiologic measures of the dengue burden such as prevalence and incidence are important for policy-making and monitoring the progress of disease control. It is a common practice where epidemiologic and economic research estimate dengue burden based on notification data. However, a basic challenge in estimating the incidence of dengue is that a significant proportion of infected population are asymptomatic.

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Background: Hospitalization due to dengue illness is an important measure of dengue morbidity. However, limited studies are based on administrative database because the validity of the diagnosis codes is unknown. We validated the International Classification of Diseases, 10th revision (ICD) diagnosis coding for dengue infections in the Malaysian Ministry of Health's (MOH) hospital discharge database.

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Objective: We evaluate the efficacy of human umbilical cord-derived mesenchymal stem cell (hUC-MSC) for the treatment of lupus nephritis (LN). Previous reports showed hUC-MSC could have dramatic treatment effect.

Methods: Eighteen patients with WHO class III or IV LN were randomly assigned to hUC-MSC (dose 2×10 cells) or placebo.

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Background: Each year an estimated 390 million dengue infections occur worldwide. In Malaysia, dengue is a growing public health concern but estimate of its disease burden remains uncertain. We compared the urban-rural difference of dengue seroprevalence and determined age-specific dengue seroprevalence in Malaysia.

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Background: GLOBOCAN12 recently reported high cancer mortality in Malaysia suggesting its cancer health services are under-performing. Cancer survival is a key index of the overall effectiveness of health services in the management of patients. This report focuses on Subang Jaya Medical Centre (SJMC) care performance as measured by patient survival outcome for up to 5 years.

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Study Design: Prospective randomized controlled trial.

Objective: The aim of this study was to monitor the quality control of robot-assisted pedicle screw fixation accuracy by using a cumulative summation (CUSUM) test at the initial stage of its application.

Summary Of Background Data: Although robot-assisted pedicle screw fixation reduces screw misplacement rates and provides critical support for minimally invasive surgical procedures, there have been no reports relating to the monitoring of quality control of the accuracy of this robot-assisted pedicle screw fixation procedure.

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Purpose: We aimed to demonstrate the suitability of the Anatomical Therapeutic Chemical Classification (ATC) to describe duplicate drugs and duplicate drug classes in prescription data and describe the pattern of duplicates from public and private primary care clinics of Kuala Lumpur, Malaysia.

Methods: We analyzed prescription data year 2005 from all 14 public clinics in Kuala Lumpur with 12,157 prescriptions, and a sample of 188 private clinics with 25,612 prescriptions. As ATC Level 5 code represents the molecule and Level 4 represents the pharmacological subgroup, we used repetitions of codes in the same prescription to describe duplicate drugs or duplicate drug classes and compared them between the public and private clinics.

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Between 1990 and 2005, dialysis treatment rates in Malaysia increased more than eightfold. Dialysis treatment reached a level comparable to rates in developed countries. This remarkable transformation was brought about in large part by the Malaysian government's large-scale purchase of dialysis services from the highly competitive private sector.

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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.

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Aims: To apply cumulative sum (CUSUM) in monitoring performance of surgeons in cataract surgery and to evaluate the response of performance to intervention.

Method: A CUSUM analysis was applied to 80 phacoemulsification performed by three ophthalmic trainees and one consultant, for the occurrence of posterior capsular rupture and postoperative refracted vision of worse than 6/12 among patients without pre-existing ocular comorbidity. The CUSUM score of each consecutive procedure performed by an individual surgeon was calculated and charted on CUSUM chart.

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Peritoneal dialysis (PD) catheter insertion success rate is known to vary among different operators, and peritoneoscope PD catheter insertion demands mastery of a steep learning curve. Defining a learning curve using a continuous monitoring tool such as a Cumulative Summation (CUSUM) chart is useful for planning training programs. We aimed to analyze the learning curve of a trainee nephrologist in performing peritoneoscope PD catheter implantation with CUSUM chart.

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We review renal registry data from the Asia-Pacific region with an emphasis on their uses in health care and in dialysis care in particular. The review aims to demonstrate the information value of registry data. While renal registry provides a useful data resource for epidemiological research, there are severe methodological limitations in its application for analytical or therapeutic research.

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Objective: In the present study, we undertook to establish therapeutic equivalence with respect to peritonitis and technique failure between the Carex disconnect system (B. Braun Carex, Mirandola, Italy) and the standard Ultra system (Baxter Healthcare, Tokyo, Japan) in patients on continuous ambulatory peritoneal dialysis (CAPD).

Design: This multicenter, parallel group, randomized controlled trial involved 363 prevalent CAPD patients from 8 centers.

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Aim: Treatment of renal anaemia with epoetin is well established. However, epoetin is expensive. Biogeneric epoetin with proven efficacy would reduce cost and improve access to therapy.

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Background: With the various twin-bag systems available on the market, we decided to conduct a therapeutic equivalence study comparing ANDY-Disc (Fresenius Medical Care, Bad Homburg, Germany) with UltraBag (Baxter, Deerfield, IL) in patients on continuous ambulatory peritoneal dialysis (CAPD) therapy.

Methods: This multicenter, open-label, parallel-group, randomized trial is designed to show the therapeutic equivalence of ANDY-Disc with UltraBag. All CAPD patients from the 6 participating centers who met inclusion/exclusion criteria were enrolled into the trial.

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Background: The aim of the present study was to evaluate the efficacy of mycophenolate mofetil in the induction therapy of proliferative lupus nephritis.

Methods: Forty-four patients from eight centres with newly diagnosed lupus nephritis World Health Organization class III or IV were randomly assigned to either mycophenolate mofetil (MMF) 2 g/day for 6 months or intravenous cyclophosphamide (IVC) 0.75-1 g/m(2) monthly for 6 months in addition to corticosteroids.

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Background: This is a multi-centre study to determine cost efficiency and cost effectiveness of the Ministry of Health centre haemodialysis and continuous ambulatory peritoneal dialysis (CAPD) programme.

Methods: Forty-four haemodialysis and 11 CAPD centres were enrolled in this study in 2001. Sixty patients, 30 from each modality, were evaluated.

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Background: Measurement of prevertebral soft tissue is commonly used to assess prevertebral abnormalities, such as retropharyngeal abscess or injury to the cervical spine. In the presence of goitres, the widened prevertebral tissue seen on plain lateral neck radiograph may be diagnostic of an enlarged tubercle of Zuckerkandl (ZT), which may be responsible for most pressure symptoms. The aim of this study was to substantiate the value of plain lateral neck radiographs in preoperative demonstration of enlarged ZT.

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Objective: To perform a cost-effective analysis on the care of infants between 1000 and 1500 g birthweight (the study group), where outcomes are measured as survival to 1 year of age.

Methodology: This was a multicenter observational study to determine the outcome, cost and cost-effectiveness of neonatal intensive care provided by Ministry of Health (MOH) Pediatric services. A total of 333 patients enrolled were eligible for analysis according to the inclusion and exclusion criteria of this study.

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