Publications by authors named "Yee J"

The near-surface air temperature (NSAT) is crucial for understanding thermal and urban environments. Traditional estimation methods using general remote sensing images often focus on the types of spatial data or machine learning models used, neglecting the importance of seasonal and temporal variations, limiting their accuracy. This study introduces a novel ensemble model that incorporates both seasonal and temporal information integrated with satellite-derived land surface temperature (LST) data to enhance NSAT estimation, along with a rigorous feature importance analysis to identify the most impactful parameters.

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Objective: Self-stigma means internalizing negative beliefs and attitudes associated with stigmatized identity. This study aimed to translate and validate the Malay and Chinese versions of the Epilepsy Self-Stigma Scale (ESSS).

Methods: The Epilepsy Self-Stigma Scale was translated into the Malay (ESSS-M) and Chinese versions (ESSS-C) according to standard principles and were tested in 100 Malay and 100 Chinese-speaking people with epilepsy (PWE) respectively.

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Background: While statins are effective at managing lipid levels, there is growing evidence for new-onset diabetes mellitus (NODM). The insulin signalling pathway (ISP) inhibited by statins is one of the potential mechanisms; however, most studies have been limited to in vitro settings. Therefore, this study aimed to identify the genetic associations within the ISP-related genes and NODM.

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Article Synopsis
  • Pediatric emergency medicine (PEM) fellows need to master high-risk procedures like central venous catheter placement, endotracheal intubation, and tube thoracostomy, which are often not taught during residency.
  • A simulation-based mastery learning (SBML) curriculum was implemented for teaching key procedures like lumbar puncture and endotracheal intubation, including assessments and hands-on practice.
  • After training, all fellows achieved competency in critical procedures, highlighting SBML as an effective method for enhancing procedural skills in PEM training.
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Background: SARS-CoV-2 infection during pregnancy and pandemic circumstances could negatively impact infant development. This study aimed to investigate the physical development, common pediatric illness incidence, and healthcare utilization over the first 2 years of life of infants born to COVID+ and COVID- patients. Comparisons were also made with infants born pre-pandemic.

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Background: Systemic autoimmune rheumatic disease (SARD) patients have been excluded from sodium-glucose cotransporter 2 inhibitor (SGLT2i) trials given putative risks, but this risk magnitude is unknown. We aimed to quantify SGLT2i adverse event risks among patients with vs. without SARD.

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Introduction: Emergency providers risk encountering firearms in the emergency department, but a minority report familiarity with handling firearms. It may be unsafe if unfamiliar, untrained providers attempt to remove a firearm from the clinical care space. This study assessed the efficacy of an educational intervention training resident physicians in this task.

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Immune dysfunction has been proposed to play a role in the pathophysiology behind the development and persistence of psychosis. Current immunophenotyping studies are limited by small sample sizes and the number of immune markers investigated. Pharmacological subtypes in schizophrenia based on antipsychotic response have been proposed, but few studies have investigated immunophenotypes in treatment-resistant schizophrenia.

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Resistance to immune checkpoint inhibitors (ICIs) is common, even in tumors with T cell infiltration. We thus investigated consequences of ICI-induced T cell infiltration in the microenvironment of resistant tumors. T cells and neutrophil numbers increased in ICI-resistant tumors following treatment, in contrast to ICI-responsive tumors.

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Introduction: Treatment-resistant schizophrenia (TRS) affects around 30% of individuals with schizophrenia. About half of the patients with TRS who are treated with clozapine do not show a meaningful clinical response, that is, clozapine resistance. To date, the relationship between cognitive function and treatment response categories is not entirely clear.

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Article Synopsis
  • The transition from medical school to internship reveals a competency gap, particularly in procedure-heavy fields like emergency medicine, prompting a need for enhanced training.
  • To bridge this gap, a simulation-based mastery learning curriculum was implemented for 25 students focusing on central venous catheter placement and endotracheal intubation.
  • Results showed that none of the students met competency standards initially, but all achieved procedural competency by the end of the curriculum, with varying results on post-tests indicating some challenges in consistently meeting minimum passing scores.
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Introduction & Importance: Situs Inversus Abdominalis (SIA) & Paraduodenal Hernias (PDH) are extremely rare causes acute surgical emergencies among adults. We present a case of an adult patient with intestinal obstruction secondary to PDH through the fossa of Landzert with concurrent SIA.

Presentation Of Case: A thirteen-year-old Southeast Asian female with situs inversus abdominalis due to Kartagener syndrome presented with bowel obstruction.

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Extracellular vesicles (EVs) mediate intercellular communication in many physiologic processes and can modulate immune responses in individuals with cancer. Most studies of EVs in cancer have focused on their tumour promoting properties. Whether and how EVs might mediate tumour regression besides carrying antigens has not been well characterized.

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Rising concerns over water scarcity, driven by industrialization and urbanization, necessitate the need for innovative solutions for wastewater treatment. This study focuses on developing an eco-friendly and cost-effective biochar-zeolite composite (BZC) adsorbent using waste materials-spent coffee ground biochar (CGB) and steel slag zeolite (SSZ). Initially, the biochar was prepared from spent coffee ground, and zeolite was prepared from steel slag; their co-pyrolysis resulted in novel adsorbent material.

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Objective: Medication nonadherence challenges the management of systemic autoimmune rheumatic diseases (SARDs). We investigated cost-related medication behaviors among patients with SARDs, and compared them to those of patients without SARDs, in a large diverse cohort across the United States.

Methods: As part of the All of Us (version 7), a nationwide diverse adult cohort with linked electronic health records begun in 2017, participants completed questionnaires concerning cost-related medication behaviors.

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Introduction: Predictors of functioning are well-studied in schizophrenia, but much less so in treatment-resistant schizophrenia (TRS). In this study, we aim to investigate contributions of schizophrenia symptom domains and neurocognition to predict functioning in a TRS population (n = 146).

Methods: Participants were assessed on the Positive and Negative Syndrome Scale (PANSS), to calculate scores for five symptom factors (Positive, Negative, Cognitive, Depressive and Hostility) and two negative symptom constructs (Diminished Expressivity (DE), and Social Anhedonia (SA) as part of the Motivation and Pleasure-related dimension), based on a previously validated model, modified in accordance with EPA guidelines on negative symptoms assessment.

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Article Synopsis
  • Salinity is crucial for the survival and performance of aquatic organisms, particularly for species like the northern quahog, which is significant in US coastal aquaculture.
  • The study aimed to assess how northern quahogs respond at cellular and molecular levels to long-term salinity changes, including effects on survival, hemocyte function, amino acid concentrations, and gene expression.
  • Results indicated that quahogs survived well under varying salinity levels, showed significant changes in immune functions and amino acid concentrations correlated with salinity, and exhibited distinct gene expressions linked to salinity stress.
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Article Synopsis
  • Rheumatologic disease-associated hemophagocytic lymphohistiocytosis (HLH) is a rare and serious condition that may arise from underlying autoimmune diseases; real-world data on the use of the monoclonal antibody emapalumab for treatment is limited.
  • A study called REAL-HLH reviewed medical records from 33 hospitals to evaluate the use and outcomes of emapalumab in patients with rheumatologic disease-associated HLH, finding that 14.3% of 105 patients studied had this subtype.
  • Results showed that emapalumab treatment led to improvements in key laboratory parameters, significantly reduced glucocorticoid use, and had a high survival rate, indicating its potential effectiveness in managing
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Despite the commonly-accepted paradigm that patients with obstructive sleep apnea (OSA) also invariably have obesity, OSA prevalence extends beyond obesity. This necessitates a reevaluation of screening strategies, biomarkers of increased OSA risk, and heightened awareness among healthcare providers about the array of OSA treatments for diverse adult populations. While obesity contributes importantly to OSA pathogenesis, there is substantial evidence that non-anatomical factors also play a crucial role, especially in patients who do not have obesity.

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Ventral tegmental area (VTA) dopamine neurons regulate reward-related associative learning and reward-driven motivated behaviors, but how these processes are coordinated by distinct VTA neuronal subpopulations remains unresolved. Here, we compare the contribution of two primarily dopaminergic and largely non-overlapping VTA subpopulations, all VTA dopamine neurons and VTA GABAergic neurons of the mouse midbrain, to these processes. We find that the dopamine subpopulation that projects to the nucleus accumbens (NAc) core preferentially encodes reward-predictive cues and prediction errors.

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Background: Sirolimus, one of the immunosuppressive drugs administered to renal transplant recipients, is metabolized by cytochrome P450 (CYP) 3A5. Accordingly, polymorphism is a genetic factor affecting sirolimus pharmacokinetics (PK). Therefore, we conducted a systematic review and meta-analysis on the association between sirolimus PK and polymorphism.

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