Publications by authors named "Ang"

Background: There is growing evidence that epigenetic age acceleration may predict late life cognitive decline and dementia, but it is unknown whether this is due to accelerated neurodegeneration or reduction in cognitive resilience. We examined the relationship between epigenetic clocks and domain specific neuropsychological (NP) factor scores, mild cognitive impairment (MCI), Alzheimer's Disease (AD), and all-cause dementia, before and after accounting for plasma total tau (t-tau), a marker of neurodegeneration.

Method: DNA methylation and plasma t-tau (Simoa assay; Quanterix) data from 2091 Framingham Heart Study Offspring cohort participants were generated from blood at the same Exam 8 visit (2005-2008).

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Background: Subjective cognitive decline (SCD) is recognized to be in the Alzheimer's disease (AD) cognitive continuum. An international working group known as the SCD-initiative recently proposed "SCD plus" features, including report of memory problems, recent SCD relative to conversion, SCD over age 60, and consistent SCD over time, that increase the risk for future objective cognitive decline. These have not been fully assessed in a large community-based setting.

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Background: Repeated self-administered mobile-based cognitive assessments are increasingly being utilized to identify preclinical cognitive decline. Repetition of cognitive tests during a short time interval often leads to improved performance (i.e.

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Aims: We examined the association between sex, age, temporal trends, and glycemic control among people with type 2 diabetes (T2D) in a multi-ethnic middle-income Asian country.

Methods: Using the National Diabetes Registry (2011-2020), we analyzed data for 221,769 adult Malaysians with T2D.We used quantile regressions to estimate the association of sex, age, and their interaction on HbAlevels at the 5th, 50th, and 95thpercentile and logistic regression to estimate the odds of good control (HbA < 7 %).

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Background: In endemic COVID-19, immunocompromised children are vulnerable until vaccinated but the optimal primary vaccination regime and need for booster doses remains uncertain.

Methods: We recruited 19 immunocompromised children (post-solid organ transplantation, have autoimmune disease or were on current or recent chemotherapy for acute lymphoblastic leukemia), and followed them from the start of primary vaccination with BNT162b2 mRNA SARS-CoV-2 until 1-year post-vaccination. We investigated the quality of vaccine immunogenicity, and longevity of hybrid immunity, in comparison to healthy children.

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Introduction: The aim of this study was to investigate the efficacy of limiting increases in theatre ambient temperature to 27°C to prevent intraoperative patient hypothermia.

Methods: This single-centre, comparative cohort clinical study investigated the management of theatre ambient temperatures involving patients with ≥ 20 % TBSA burn injuries at Victorian Adult Burns Service (Melbourne, Australia). Data from the intervention group (August 2021 - February 2023, theatre ambient temperature increase limited to 27°C) was compared with a historical cohort (August 2019 - August 2021).

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Two-dimensional (2D) materials hold significant potential for the development of neuromorphic computing architectures owing to their exceptional electrical tunability, mechanical flexibility, and compatibility with heterointegration. However, the practical implementation of 2D memristors in neuromorphic computing is often hindered by the challenges of simultaneously achieving low latency and low energy consumption. Here, we demonstrate memristors based on 2D cobalt phosphorus trisulfide (CoPS), which achieve impressive performance metrics including high switching speed (20 ns), low switching energy (1.

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Background: The role of Intravascular ultrasound (IVUS) and optical coherence tomography (OCT) is still unclear in patients with STEMI undergoing PCI in the current second-generation DES era.

Aims: This study aimed to evaluate the trends and outcomes of IVUS-guided PCI in patients with STEMI.

Methods: We used the National Inpatient Sample (NIS) database from 2016 to 2021.

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Surgeons in training have a limited opportunity to practice their skills in a realistic surgical environment. Surgical training models are expensive and are often single-use exercises involving consumable supplies. The goal of the work presented in this paper is to increase surgeon training time by developing a surgical training simulator that is portable, inexpensive, and offers a realistic surgical environment.

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Mothers encounter several challenges to sustain breastfeeding until the recommended 6 months of age. There is limited evidence on the impact of women's labor pain experiences upon cessation of breastfeeding. We aimed to investigate the association between women's labor pain experiences, intrapartum interventions, and pre-birth psychological vulnerabilities and cessation of breastfeeding.

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Introduction: To determine the epidemiology of blood culture-positive late-onset sepsis (LOS, >72 hours of age) in 44 Malaysian neonatal intensive care units (NICUs).

Materials And Methods: Study Design: Multicentre retrospective observational study using data from the Malaysian National Neonatal Registry.

Participants: 739486 neonates (birthweight ≥500g, gestation ≥22 weeks) born and admitted in 2015-2020.

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Background: Cardiovascular autonomic neuropathy (CAN) and inflammation predict more severe outcomes in type 1 diabetes (T1D). However, the link between CAN and inflammation in T1D remains unclear. We examined associations between CAN measures and inflammatory biomarkers in individuals with T1D.

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Background/objectives: The coronavirus disease (COVID-19) pandemic has significantly impacted global health, with Malaysia reporting over 5 million cases as of May 2024. While symptoms like fatigue and breathlessness are commonly reported among COVID-19 patients, limited research exists on the vocal and pulmonary conditions of individuals with long COVID symptoms. This study aims to assess vocal impairments and pulmonary function differences between long COVID patients and healthy controls, addressing gaps in understanding how long COVID affects vocal and respiratory health.

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Hepatocytes are organized into distinct zonal subsets across the liver lobule, yet their contributions to liver homeostasis and regeneration remain controversial. Here, we developed multiple genetic lineage-tracing mouse models to systematically address this. We found that the liver lobule can be divided into two major zonal and molecular hepatocyte populations marked by Cyp2e1 or Gls2.

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Objective: Telemonitoring (TM) remotely monitors individuals' health. Awareness of personal clinical data has resulted in improved glycaemic control in adults with type-2 diabetes mellitus (T2DM). However, its effects on their health-seeking behaviour remain unclear.

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Background: Functional constipation (FC) negatively impacts quality of life and is associated with gut microbiota (GM) imbalances. Despite the growing interest in this area, a thorough analysis of research trends is missing. This study uses bibliometric methods to assess the global research on GM's role in FC, pinpointing key topics, impactful studies, and prominent researchers to guide future research and identify gaps.

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Introduction: Family members caring for a person living with dementia (PWD) can experience caregiver burden, leading to psychological distress if unmanaged. It's essential for healthcare professionals, especially nurses to identify caregivers at risk of stress and depression, triggering prompt management during their contact with caregivers of PWD. The study team developed an evidence-based caregiver burden-mastery hybrid assessment and intervention decision matrix (CHAT-MI) for caregivers of PWD and examined its feasibility of use.

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Background: Data on the relationship between potassium intake and major cardiovascular events (MACE) in patients with diabetes are scarce. We aim to study the association between estimated potassium intake and risk of MACE in individuals with type 2 diabetes.

Methods: The discovery cohort consisted of 1572 participants with type 2 diabetes from a secondary hospital.

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Article Synopsis
  • The text discusses the impact of pneumococcal conjugate vaccines (PCVs), specifically PCV10 and PCV13, on invasive pneumococcal disease (IPD) globally, highlighting how these vaccines have reduced the prevalence of disease caused by vaccine-type serotypes after extensive use.
  • It describes the methodology of data collection from various surveillance sites, which aimed to evaluate IPD cases that occurred five years after the vaccines were implemented, focusing on different age groups for analysis.
  • Findings indicate significant differences in serotype distribution between PCV10 and PCV13 sites; notably, certain serotypes, such as 19A and serotype 3, were prevalent in specific age groups, signaling ongoing challenges in controlling
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Blood vessels permeate all organs and execute myriad roles in health and disease. Here, we present a protocol to efficiently generate human artery and vein endothelial cells (ECs) from pluripotent stem cells within 3-4 days of differentiation. We delineate how to seed human pluripotent stem cells and sequentially differentiate them into primitive streak, lateral mesoderm, and either artery or vein ECs.

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While single-cell studies have made significant impacts in various subfields of biology, they lag in the Glycosciences. To address this gap, we analyzed single-cell glycogene expressions in the Tabula Sapiens dataset of human tissues and cell types using a recent glycosylation-specific gene ontology (GlycoEnzOnto). At the median sequencing (count) depth, ∼40-50 out of 400 glycogenes were detected in individual cells.

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The global prevalence of psychological problems in different trimesters is unclear due to methodological constraints in previous reviews. A precise estimate would be a key first step in raising awareness and allocating resources. This review aims to (1) calculate the global prevalence of depression, anxiety, and stress symptoms during different trimesters and (2) determine the factors influencing their prevalence estimates.

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Aim: The aim of this study is to synthesise literature on specialised nursing career frameworks to inform the development of an aged care nursing career framework.

Design: An integrative review was conducted.

Method: The review followed Whittemore and Knafl's five-step integrative review method.

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