Publications by authors named "Wy Lim"

Objectives: We investigated the longitudinal association between Serum Urate (SU) level and Acute Myocardial Infarction (AMI), Stroke, End Stage Renal Failure (ESRF) and all-cause mortality.

Design: We conducted a retrospective hospital-based cohort study of individuals with gout managed in specialist outpatient clinics. Cox proportional hazards regression was used to estimate HR and 95% CI, with adjustments for potential confounders.

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We report a Technical Note on detecting nanoplastics in water samples through electrophoresis and quartz crystal microbalance (QCM) instrumentation. We conducted electrophoresis experiments by immersing a QCM in a sample of ultrapure water containing polyethylene (PE) nanoplastics. It was interesting to observe that nanoplastics were attracted toward the QCM and adhered to one side of the QCM electrode.

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Article Synopsis
  • * Results showed that a higher PRS was more strongly related to EGFR-positive LUAD cases (OR=8.63) than to EGFR-negative cases (OR=3.50), indicating a significant association based on mutation status.
  • * These findings imply that genetic susceptibility to LUAD differs in never-smoking East Asian women depending on whether the cancer has specific mutations, which could affect public health strategies and clinical practices.*
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An HCV elimination program aims to diagnose more than 90% of Chronic HCV cases. We critically evaluated the performance of a point-of-care test (POCT) using an HCV Rapid Antibody Test. PWID from 4 Halfway Houses (HWH) in Singapore were recruited from March 2022 to April 2023.

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Purpose: Dens evaginatus (DE) is characterised by the presence of a tubercle projection, which when fractured may lead to pulpal pathology. The aim of this study was to assess prevalence of DE in the local population and the long-term outcomes of asymptomatic DE premolars managed with tubercle grinding and composite overlay.

Methods: This is a retrospective cohort study of 9-year-old Singaporean children.

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Objectives: This web-based survey, conducted across multiple countries, sought to explore the factors that impact the decision-making of clinicians when it comes to managing defective direct restorations.

Methods: A survey consisting of 14 questions was sent out to dentists in 21 countries through various online platforms. The survey consisted of two sections.

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Aims: This study aims to investigate the relationship between long-term visit-to-visit within-person HbA1c variability and hospitalisation outcomes in adults with type 2 diabetes (T2D).

Methods: We conducted a cohort study at a tertiary hospital in Singapore involving people aged 21 to 101 years with T2D who had ≥3 HbA1c tests over 2 years. HbA1c variability was assessed using coefficient of variation (CV), variability independent of the mean (VIM) and HbA1c variability score (HVS).

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Article Synopsis
  • The standard treatment for metastatic prostate cancer involves drugs that target androgen receptor (AR) signaling, but resistance to these treatments is common.
  • Research shows that the AR inhibitor enzalutamide causes DNA replication stress in AR-positive prostate cancer cells, leading to increased DNA damage.
  • Combining enzalutamide with a translesion DNA synthesis (TLS) inhibitor, JH-RE-06, enhances the sensitivity of these cancer cells to treatment and significantly reduces tumor growth in a mouse model.
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Human cytomegalovirus (HCMV), a double-stranded DNA virus from the Betaherpesvirinae subfamily, constitutes significant risks to newborns and immunocompromised individuals, potentially leading to severe neurodevelopmental disorders. The purpose of this study was to identify FDA-approved drugs that can inhibit HCMV replication through a drug repositioning approach. Using an HCMV progeny assay, verteporfin, a medication used as a photosensitizer in photodynamic therapy, was found to inhibit HCMV production in a dose-dependent manner, significantly reducing replication at concentrations as low as 0.

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Introduction: Non-compliance to medications remains a challenging problem in schizophrenia. Newer strategies with high feasibility and acceptability are always being researched. This study aimed to assess the effectiveness of technology-based intervention in improving medication compliance in individuals with schizophrenia.

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Article Synopsis
  • * The newly developed multi-ancestry PRS showed a strong correlation with LUAD risk, indicating that individuals in the highest PRS percentile had significantly increased risk compared to those in the lowest.
  • * Findings suggest that those in the highest risk category have a lifetime risk of about 6.69%, and they reach the average population's 10-year risk for LUAD by age 41, highlighting the importance of multi-ancestry PRS for better risk assessment in this group.
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Introduction: The Drug Attitude Inventory 9 (DAI-9) is a nine-item self-rated questionnaire. The questionnaire assessed positive and negative attitudes of patients toward taking medication, presence of medication side effects and perceived autonomy in treatment decision. Aim This study aimed to validate the psychometric properties of the Malay translation of Drug Attitude Inventory 9 (MDAI-9).

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Background/objective: Although common in adults, primary hyperparathyroidism (PHPT) is a rare condition in children with the most common etiology being solitary parathyroid adenoma (PTA). The typical presentation is symptomatic hypercalcemia. Management of PHTP secondary to PTA requires excision of the adenoma.

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Introduction: The Medication Adherence Rating Scale (MARS) is a self-rated questionnaire that assesses medication compliance.

Aim: This study aimed to validate the Malaysian language translation of the MARS (MARS-M).

Method: The original scale was translated to Malay via forward and backward translation process.

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Background: Cancer represents a significant global public health challenge, with escalating incidence rates straining healthcare systems. Malaysia, like many nations, has witnessed a rise in cancer cases, particularly among the younger population. This study aligns with Malaysia's National Strategic Plan for Cancer Control Programme 2021-2025, emphasizing primary prevention and early detection to address cancer's impact.

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Flecainide is a Vaughan Williams class 1c antiarrhythmic used to treat supraventricular and ventricular arrhythmias. It has been described as a rare cause for increased pacemaker capture thresholds. We describe a report of a patient, in her early 80s, presenting with tachy-brady syndrome on a background of permanent atrial fibrillation.

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The authors present an erratum to update the Acknowledgements section in their published article, ["Fabrication and characterization of a two-dimensional individually addressable electrowetting microlens array," Opt. Express31, 30550 (2023)10.1364/OE.

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Respiratory rate (RR) is a critical vital sign that can provide valuable insights into various medical conditions, including pneumonia. Unfortunately, manual RR counting is often unreliable and discontinuous. Current RR estimation algorithms either lack the necessary accuracy or demand extensive window sizes.

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Syncope is a transient loss of consciousness with rapid onset. The aims of the study were to systematically evaluate available machine learning (ML) algorithm for supporting syncope diagnosis to determine their performance compared to existing point scoring protocols. We systematically searched IEEE Xplore, Web of Science, and Elsevier for English articles (Jan 2011 - Sep 2021) on individuals aged five and above, employing ML algorithms in syncope detection with Head-up titl table test (HUTT)-monitored hemodynamic parameters and reported metrics.

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To describe the impact of weight on length of stay (LOS) and oxygen requirement among hospitalized children with COVID-19. This is a retrospective review of 153 children admitted for COVID-19 from March 2020 to October 2021. Body mass index (BMI) percentile and weight-for-age (WFA) percentile were used to determine weight status for children ≥2 years and <2 years respectively.

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Article Synopsis
  • - The study compares mortality outcomes for patients with symptomatic sinus node dysfunction who received permanent pacemakers either as elective outpatient procedures or through urgent inpatient management, revealing a higher mortality rate for those admitted urgently.
  • - Analysis involving over 1200 patients showed that outpatient procedures significantly reduced 1-year all-cause mortality, with inpatient procedures resulting in worse outcomes.
  • - The findings suggest that avoiding hospital admissions for treatment is beneficial, especially for older patients with complex health issues, as it helps prevent complications associated with hospitalization.
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Purpose: To evaluate the prevalence and pattern of extraocular muscle enlargement and proptosis in patients with carotid cavernous fistulas (CCF).

Methods: We conducted a retrospective study on patients with digital subtraction angiography (DSA) confirmed CCFs with neuroimaging (computed tomography or magnetic resonance imaging) performed prior to the DSA. The maximum extraocular muscle diameters were recorded.

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We demonstrate a two-dimensional, individually tunable electrowetting microlens array fabricated using standard microfabrication techniques. Each lens in our array has a large range of focal tunability from -1.7 mm to -∞ in the diverging regime, which we verify experimentally from 0 to 75 V for a device coated in Parylene C.

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Background: With the persistent threat of emerging infectious diseases (EIDs), digital contact tracing (CT) tools can augment conventional CT for the prevention of healthcare-associated infectious disease transmission. However, their performance has yet to be evaluated comprehensively in the fast-paced emergency department (ED) setting.

Objective: This study compared the CT performance of a radiofrequency identification (RFID)-based real-time location system (RTLS) with conventional electronic medical record (EMR) review against continuous direct observation of close contacts ('gold standard') in a busy ED during the coronavirus disease 2019 pandemic period.

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