Publications by authors named "Chew C"

The HRQ-6D is a newly developed instrument to measure Health-related quality of life (HRQOL) and EQ-5D is the gold standard for measuring HRQOL. This study aims to test the concurrent validity between EQ-5D and HRQ-6D measures among patients with different primary diagnoses. : This cross-sectional study uses two HRQOL measurement instruments, EQ-5D-3L and HRQ-6D.

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The role of biomarkers in risk-based early detection of lung cancer may enable screening to become cost effective and widely accessible. EarlyCDT-Lung is an example of such a blood-based autoantibody biomarker which may improve accessibility to Low dose Computed Tomography (LDCT) screening for those at highest risk. We randomized 12 208 individuals aged 50-75 at high risk of developing lung cancer to either the test or to standard clinical care.

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Alzheimer's disease (AD) consists of two main pathologies, which are the deposition of amyloid plaque as well as tau protein aggregation. Evidence suggests that not everyone who carries the AD-causing genes displays AD-related symptoms; they might never acquire AD as well. These individuals are referred to as non-demented individuals with AD neuropathology (NDAN).

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Objectives: Health-Significant Quality of Life Measure (Health-SigQOLM) provides a generic and dynamic assessment of Health-related quality of life (HRQOL). This study aims to assess the HRQOL among healthy and non-healthy participants with varying chronic diseases.

Results: Comparisons between healthy and non-healthy participants revealed statistically significant differences (p < 0.

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Urinary neutrophils are a hallmark of urinary tract infection (UTI), yet the mechanisms governing their activation, function, and efficacy in controlling infection remain incompletely understood. Tamm-Horsfall glycoprotein (THP), the most abundant protein in urine, uses terminal sialic acids to bind an inhibitory receptor and dampen neutrophil inflammatory responses. We hypothesized that neutrophil modulation is an integral part of THP-mediated host protection.

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Article Synopsis
  • Hydralazine has been used for many years to treat high blood pressure, but it can cause serious side effects, including autoimmune diseases like ANCA-vasculitis and a lupus-like syndrome.
  • The text discusses four cases of vasculitis linked to hydralazine, showing varying symptoms like lung hemorrhage, coughing up blood, and skin rashes.
  • Diagnosing these conditions can be challenging, often requiring kidney biopsy, and the treatment involves stopping hydralazine and using immunosuppressants; caution is advised in using hydralazine over other blood pressure medications.
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Purpose: We tested whether the PARP inhibitor, Olaparib, can effectively enhance radiosensitivity while inhibiting OSCC growth and metastasis in vitro and in vivo. Patient samples were used for survival validation.

Methods: The present study investigated the effect of Olaparib and ionizing radiation (IR) on clonogenic, migratory, and invasive ability in human IR-sensitive (OML1) and IR-resistant (OML1-R) OSCC cell lines.

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Bacterial small RNAs (sRNAs) play crucial roles in coordinating gene regulatory networks in various physiological processes, including biofilm formation. In this study, RNA sequencing was performed on biofilm ( = 4) and planktonic ( = 4) cells harvested at 10 h (pre-stationary phase of biofilm development) to identify biofilm-associated sRNAs in human methicillin-susceptible (MSSA) recovered from urine isolate. A total of 56 highly expressed sRNAs were identified with 15 overlapping sRNA genes (srn_9348, sprD, sRNA205, sRNA288, srn_2467, Sau-25, srn_2468, sRNA260, sRNA200, RsaE, sRNA397, Teg55, Teg60, RsaX05 and Teg140).

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  • - This clinical trial compared the safety and effectiveness of an inhaled COVID-19 vaccine (Ad5-nCoV-IH) against an intramuscular vaccine (BNT-IM) in 540 vaccinated adults in Malaysia from September 2022 to May 2023.
  • - While Ad5-nCoV-IH exhibited lower immunogenicity (with a GMC ratio of 0.22) compared to BNT-IM, it resulted in fewer adverse drug reactions (39.26% vs. 64.68%) and no serious side effects were documented.
  • - Both vaccines demonstrated similar efficacy against COVID-19 variants, but the study concluded that Ad5-nCoV-IH did not meet the non
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Early-life gut microbiota development depends on a highly synchronized microbial colonization process in which diet is a key regulator. Microbiota transition toward a more adult-like state in toddlerhood goes hand in hand with the transition from a milk-based diet to a family diet. Microbiota development during the first year of life has been extensively researched; however, studies during toddlerhood remain sparse.

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Aim: The proportion of less-than-full-time (LTFT) trainees in the National Health Service has been steadily increasing over the past decade. To date, there has been a paucity of data assessing their postgraduate training outcomes. We aimed to evaluate whether LTFT trainees show group-level differences in performance at the Fellowship of the Royal College of Radiologists (FRCR) exams, relative to their full-time counterparts.

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Introduction: There is limited research on the psychosocial health of Asian adolescents undergoing obesity treatment. Our study examined the predictors of psychological distress, disordered eating and poor health-related quality of life (HRQoL) in these adolescents and the associations between them.

Methods: A total of 82 adolescents aged 11-17 years were recruited from the Weight Management Clinic in KK Women's and Children's Hospital between June 2022 and January 2023.

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Radiotherapy (RT) is one of the primary treatment modalities in managing cancer patients. Recently, combined RT and immunotherapy (IT) (i.e.

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  • Cutaneous confocal microscopy (CCCM) is a technique that allows for detailed imaging of the skin at a cellular level, and this study tested a remote version (Remote-CCM) to enhance access to skin cancer diagnoses.
  • In the study, 201 lesions were assessed, with Remote-CCM showing a sensitivity of 89% for detecting skin malignancies and a specificity of 64%, effectively reducing unnecessary biopsies in 90% of benign cases.
  • The findings suggest that while Remote-CCM is accurate and can lower biopsy rates, it may not be suitable for potential cases of squamous cell carcinoma (SCC), indicating a need for follow-up on uncertain melanoc
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This study aims to compare the health-related quality of life (HRQOL) between healthcare providers without chronic diseases and participants with chronic diseases presenting with one of the four different primary diagnoses on the health-related quality of life with six domains (HRQ-6D) scale. This is a cross-sectional study to compare the HRQOL between healthcare providers without chronic diseases and participants with chronic diseases. Data collection was performed from May 2022 to May 2023.

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Background: In the recent years, there has been an increase in the medical education literature showing that there are barriers to postgraduate exam success for some trainee groups compared to others. To date, there is little published data on whether these differences exist in UK radiology training. In this longitudinal cohort study, we aimed to evaluate the relationship between demographic and socioeconomic factors with Fellowship of the Royal College of Radiologists (FRCR) exam outcomes.

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Objectives: It is common practice to advise people with vulvar lichen sclerosus to perform vulvar self-examination (VSE) to optimize topical therapy and detect changes that may represent active disease, scarring, and/or squamous cell carcinoma development. The aim of this study was to better understand people's willingness and potential barriers to performing VSE.

Materials And Methods: A cross-sectional survey was undertaken of all patients with vulvar LS presenting to a tertiary referral vulvar dermatology clinic in Australia, from June 2022 to January 2023.

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The rapid emergence of multidrug-resistant (MDR) uropathogenic (UPEC) strains pose a critical challenge in urinary tract infection (UTI) treatments. However, little work elucidated the resistance mechanisms of the MDR UPEC clinical strains in Malaysia. Therefore, this study aimed to determine the antimicrobial susceptibility profiles and the prevalence of antimicrobial resistance genes among the UPEC strains.

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Staphylococcus aureus is a common bacterial pathogen known to cause various kinds of infections due to its repertoire of virulence factors. This study aimed to investigate the distribution of 19 types of virulence genes among clinical isolates of methicillin-susceptible S. aureus (MSSA) using the polymerase chain reaction.

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Article Synopsis
  • Subcutaneous granuloma annulare (SGA) is a rare condition that primarily affects children, mostly presenting as painless subcutaneous nodules, with a median diagnosis age of 6.
  • A systematic review analyzed 97 studies involving 324 patients, revealing that while most have no comorbidities, diabetes was the most notable in 4% of cases.
  • Treatment options include surgical excision for 68.1% of patients, with a high rate of spontaneous resolution among those conservatively managed; intralesional steroids have shown promise, especially in non-resolving cases.
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Acquired amegakaryocytic thrombocytopenia (AATP) is a rare disorder in which severely low platelet levels occur due to reduced or complete absence of megakaryocytes in the bone marrow. The pathophysiology of this disease is not fully understood, although anti-thyroid peroxidase antibodies (anti-TPO) binding to cellular-myeloproliferative leukemia (c-mpl) receptors is a proposed mechanism. Currently, no standard published guideline for treatment exists, but immunosuppressive therapies have been used based on the proposed mechanism and associated conditions.

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