Publications by authors named "Ta Chien Chan"

Objective: Cardiometabolic risk factors significantly contribute to disease burden. This study explored the effects of hypertension (HTN), diabetes mellitus (DM), and hyperlipidemia (HLP) on mortality. It stratified findings by age group and comorbidity severity using the Charlson Comorbidity Index (CCI) score.

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To address air pollution hazards effectively, it is crucial to understand the factors that influence residents' adoption of harm reduction measures. Existing studies often focus on passive defense and ignore active strategies such as air purifiers, dehumidifiers, anti-haze window screens, and air-purifying plants. This study adopted the Knowledge-Attitude-Behavior (KAB) model to explore the factors that influence residents to take proactive measures to prevent the impacts of air pollution.

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  • A study investigated how residential noise exposure affects burnout among 5,416 healthcare workers in Taiwan between 2012 and 2017.
  • Burnout was measured using the Mandarin Copenhagen Burnout Inventory, with results indicating that increased noise levels correlated with higher burnout scores.
  • The findings suggest a strong association, with each increase of 1 dBA in noise linked to significant rises in both personal and work-related burnout levels.
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  • The research investigates the relationship between solar radiation insolation, polygenic risk scores (PRS), and the diagnosis of systemic lupus erythematosus (SLE) by analyzing data from over 3,600 participants in Taiwan.
  • Using specific genetic markers and geographic data, the study found that SLE patients generally had lower solar insolation exposure, particularly in the months leading up to their diagnosis.
  • Results indicate that individuals with higher SLE-PRS, particularly in areas of high solar insolation, had a significantly increased risk of developing SLE, highlighting the interaction between genetic predisposition and environmental factors.
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Objectives: This study aimed to explore the relationship between multidimensional factors, such as environment, health status, behavior, social support, and the well-being of middle-aged and older adults.

Methods: This study utilized data from 2 waves of the nationally representative Taiwan Longitudinal Study on Aging Survey Report (TLSA) conducted in 2015 and 2019. The TLSA assesses socioeconomic status, physical and health status, the 5-item World Health Organization Well-Being Index (WHO-5 index), and social support.

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This study aimed to explore the association between bone mineral density and physical frailty including nutrition, muscle mass, and oral function. We included participants aged 35-80 years and examined their bone mineral density, serum albumin level, body composition, and variance of hue (VOH) of two-colored gum. We also used the geriatric oral health assessment index (GOHAI).

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Urban heat islands will occur if city neighborhoods contain insufficient green spaces to create a comfortable environment, and residents' health will be adversely affected. Current satellite imagery can only effectively identify large-scale green spaces and cannot capture street trees or potted plants within three-dimensional building spaces. In this study, we used a deep convolutional neural network semantic segmentation model on Google Street View to extract environmental features at the neighborhood level in Taipei City, Taiwan, including the green vegetation index (GVI), building view factor, and sky view factor.

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Previous studies have found associations between the incidence of metabolic syndrome (MetS) and exposure to air pollution or road traffic noise. However, investigations on environmental co-exposures are limited. This study aimed to investigate the association between co-exposure to air pollution and road traffic noise and MetS and its subcomponents.

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Background: In May-June 2023, an unprecedented outbreak of human respiratory syncytial virus (HRSV) infections occurred in a kindergarten, Zhejiang Province, China. National, provincial, and local public health officials investigated the cause of the outbreak and instituted actions to control its spread.

Methods: We interviewed patients with the respiratory symptoms by questionnaire.

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Urban greenery can help to improve air quality, reduce health risks and create healthy livable urban communities. This study aimed to explore the role of urban greenery in reducing air pollution at the community level in Tainan City, Taiwan, using air quality sensors and street-view imagery. We also collected the number of road trees around each air quality sensor site and identified the species that were best at absorbing PM.

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Chronic noise exposure in daily life not only causes physical and mental illness but also reduces quality of life. However, collecting objective data on sound exposure and subjective acoustic comfort through a traditional one-shot survey is difficult. This study applied online chatbots in social media to explore the effects of daily sound exposure, personal characteristics, noise sensitivity, burnout status, and sleep quality on quality of life using a short-term participatory cohort design.

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Article Synopsis
  • * In April 2021, a new variant called Alpha started spreading quickly in Taiwan, leading to a rise in COVID-19 cases.
  • * Researchers found that close contact between people and low vaccination rates were key reasons why the Alpha variant became dominant, but they used strict health measures to control the outbreak without locking down the city.
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Background: During the COVID-19 pandemic, a school closure policy was adopted to prevent cluster transmission in schools and subsequent household transmission. However, the effectiveness of school closure is not consistent in studies conducted in different countries.

Objective: This study aimed to explore the association between school closure and the daily standardized incidence of COVID-19-related syndromes in an outpatient syndromic surveillance system.

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Background: Autosomal-dominant polycystic kidney disease (ADPKD) is the most prevalent hereditary kidney disease and the fourth leading cause of end-stage renal disease (ESRD) requiring renal replacement therapy (RRT). Nevertheless, there is a paucity of epidemiological research examining the risk factors and survival on RRT for ADPKD. Thus, we aimed to investigate the cumulative effects of cardiometabolic comorbidities, including hypertension (HTN), type 2 diabetes mellitus (DM), and dyslipidemia (DLP) to clinical outcomes in ADPKD.

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Background: Oral health could influence cognitive function by stimulating brain activity and blood flow. The quantified oral status from oral inflammation, frailty and masticatory performance were rarely applied to the cognitive function screening. We aimed to adopt non-invasive digital biomarkers to quantify oral health and employ machine learning algorithms to detect cognitive decline in the community.

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Introduction: The detrimental effects of air pollution on the brain are well established. However, few studies have examined the effect of air pollution on traumatic brain injury (TBI). This pilot study evaluated the association between short-term air pollution exposure and traumatic intracranial hemorrhage (TIH).

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Background: Kidney function is associated with clinical outcomes in patients with cancer.

Objectives: This study aimed to assess the association between kidney function decline and cancer-related mortality among community-dwelling elderly individuals.

Design: This was a retrospective longitudinal cohort study.

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Objectives: The aim of this study is to describe, visualize, and compare the trends and epidemiological features of the mortality rates of 10 notifiable respiratory infectious diseases in China from 2004 to 2020.

Setting: Data were obtained from the database of the National Infectious Disease Surveillance System (NIDSS) and reports released by the National and local Health Commissions from 2004 to 2020. Spearman correlations and Joinpoint regression models were used to quantify the temporal trends of RIDs by calculating annual percentage changes (APCs) in the rates of mortality.

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With the increasing threat of metabolic syndromes, a focus on maintaining kidney health from early- to mid-adulthood is necessary. This study elucidates mortality risk and years of life lost (YLLs) due to abnormal renal function. This was a retrospective, matched cohort study from health checkup data from 2000 to 2015.

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Introduction: During the COVID-19 pandemic, many employees were encouraged to temporarily work from home as an attempt to decrease social contact with others. However, the employees' quality of life (QoL) may have been threatened by this mode of working. This study, therefore, aims to explore the employees' QoL given the new mode of working from home (WFH) as a result of the pandemic vs.

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Background: Uncontrolled asthma in adults leads to poor clinical outcome, while the clinical heterogeneity of phenotypes interferes the applicable genetic determinants. This study aimed to identify phenotypes and genetic impact on poorly-controlled asthma to optimize individualized treatment strategies.

Methods: This propensity score-matched case-control study included 340 and 1020 asthmatics with poorly-controlled asthma and well-controlled asthma, respectively.

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Background And Objective: Obesity and asthma impose a heavy health and economic burden on millions of people around the world. The complex interaction between genetic traits and phenotypes caused the mechanism between obesity and asthma is still vague. This study investigates the relationship among obesity-related polygenic risk score (PRS), obesity phenotypes and the risk of having asthma.

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Background: The ongoing climate change will elevate the incidence of diarrheal in 2030-2050 in Asia, including Taiwan. This study investigated associations between meteorological factors (temperature, precipitation) and burden of age-cause-specific diarrheal diseases in six regions of Taiwan using 13 years of (2004-2016) population-based data.

Methods: Weekly cause-specific diarrheal and meteorological data were obtained from 2004 to 2016.

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Article Synopsis
  • The study compares fatal cases of COVID-19 and H7N9 in mainland China, focusing on clinical features and survival factors.
  • It found similar demographic characteristics but differences in treatment effectiveness; H7N9 patients received more aggressive treatment than COVID-19 patients.
  • Key protective factors for survival in COVID-19 included antibiotics, oxygen treatment, and corticosteroids, while antiviral drugs and corticosteroids were beneficial for H7N9 fatal cases, highlighting the need for ongoing pandemic surveillance.
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Invasive aspergillosis (IA) has become the emerging life-threatening disease in recent years. Influenza has been identified as an independent risk factor for IA. Vaccination is the most effective way to prevent influenza, while whether it can reduce IA in high-risk population still uncertain.

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