Publications by authors named "Deng-Chi Yang"

Statin use is reported to reduce the risk of Graves' orbitopathy (GO) in Western populations. However, study regarding the protective effect of statins against GO in Asians with Graves' disease (GD) is scarce. This study aims to investigate the efficacy of statins in preventing GO in Asian GD patients.

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Introduction: Limited data have addressed frailty's role in cardiorenal risk among older adult patients with chronic kidney disease (CKD). We investigated whether frailty could predict major renal and cardiovascular events, healthcare utilization, and mortality in these patients.

Methods: We conducted a prospective cohort enrolling patients aged ≥75 years with a stable estimated glomerular filtration rate (eGFR) <60 mL/min/1.

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Background: We aimed to analyse the differences in the risk of geriatric syndromes between older adults with and without coronavirus disease 2019 (COVID-19).

Methods: We conducted a retrospective cohort study of patients from the US Collaborative Network in the TriNetX between January 1, 2020, and December 31, 2022. We included individuals aged older than 65 years with at least 2 health care visits who underwent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) polymerase chain reaction (PCR) tests during the study period.

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Introduction: Previous researches have shown the risk factors of prolonged length of stay (PLOS) in hospitalized older adults, but it is unclear what are the risk factors of PLOS in hospitalized older adults with mild to moderate frailty.

Objective: To identify the risk factors of PLOS in hospitalized older adults with mild to moderate frailty.

Methods: We recruited adults aged ≥65 years old with mild to moderate frailty admitted to a tertiary medical center in the southern Taiwan from June 2018 to September 2018.

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Article Synopsis
  • Escherichia coli is the main cause of urinary tract infections (UTIs), particularly recurrent UTIs (RUTIs), and this study explored the characteristics of both the bacteria and the host involved in RUTIs caused by different or genetically identical E. coli strains.
  • Researchers analyzed data from patients exhibiting UTI symptoms, focusing on factors such as age, gender, and immune health, as well as bacterial features like phylogenetic group and antibiotic resistance.
  • Findings revealed that genetically similar E. coli strains were associated with higher virulence, particularly in younger females without anatomical or immune issues, and previous antibiotic treatments contributed to increased resistance in these strains.
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Recurrent urinary tract infection (RUTI) can damage renal function and has impact on healthcare costs and patients' quality of life. There were 2 stages for development of prediction models for RUTI. The first stage was a scenario in the clinical visit.

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Objective: To examine the utility of the Clinical Frailty Scale (CFS) in predicting outcomes in older adults with urologic malignancies undergoing curative surgeries.

Methods: This prospective observational cohort study was conducted in a university-based tertiary medical center. Patients aged 75 years or older who were scheduled to undergo curative surgery for a urologic malignancy from January 2017 to December 2017 were recruited.

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Hip fracture commonly results in considerable consequences in terms of disability, mortality, long-term institutional care and cost. Taiwan launched its universal health insurance coverage in 1995, which largely removes financial barriers to health care. This study aims to investigate whether socioeconomic inequality in one-year mortality exists among Taiwanese elderly people.

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Objective: Although geriatric syndromes have been studied extensively, their interactions with one another and their accumulated effects on life expectancy are less frequently discussed. This study examined whether geriatric syndromes and their cumulative effects are associated with risks of mortality in community-dwelling older adults.

Methods: Data were collected from the Taiwan Longitudinal Study in Aging in 2003, and the participant survival status was followed until December 31, 2007.

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Background: Compliance index derived from digital volume pulse (CI-DVP), measuring the relationship between volume and pressure changes in fingertip, is a surrogate marker of peripheral arterial stiffness. This study investigated if CI-DVP can predict renal function deterioration, cardiovascular events and mortality in patients with chronic kidney disease (CKD).

Methods: In this prospective observational study, 149 CKD patients were included for final analysis.

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Objective: Although previous studies have investigated the association between a single geriatric syndrome and life satisfaction in the older adults, the accumulated effects of multiple geriatric syndromes on life satisfaction remain unclear.

Methods: We conducted a nationwide study by using data from the Taiwan Longitudinal Study on Aging database. A total of 2415 older adults were enrolled.

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The aim of our study was to estimate the risk of end-stage renal disease (ESRD) in type 1 diabetes mellitus (T1DM) in Taiwanese people; in addition, our goal was to determine how the age, year, and sex at registration of T1DM affects the risk. Population-based cohort study. A nationwide cohort study of 7203 Taiwanese patients with T1DM registered in 1999 to 2010 was followed up until ESRD, death, or the end of follow-up on December 31, 2010.

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Aim: To investigate incidence, reasons, risk factors and outcomes for inappropriate use of urinary catheters in hospitalized elderly patients.

Methods: The prospective study enrolled 321 patients aged 65 years and older with a urinary catheter placed within 24 h of hospitalization. Collected data included characteristics of patients and catheter use, reasons for urinary catheter use, mortality, length of hospital stay, time to first removal of catheter, catheter remaining in place at discharge, catheter-associated urinary tract infections and complications, change of activities of daily living, and new admission to nursing home after discharge.

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Objective: To evaluate the secular trend in incidence of and mortality from Type 1 diabetes mellitus (T1DM) in Taiwan, 1999-2010.

Methods: All 7,225 incident cases of T1DM were retrospectively retrieved from Taiwan's National Health Insurance Research Database from 1999 to 2010. Trend of bi-annual age- and sex-specific incidence rates of T1DM was calculated and tested with Poisson regression model.

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Aim: End-stage renal disease (ESRD) is a common finding in systemic lupus erythematosus (SLE) and may contribute to mortality. The purpose of the study was to investigate the incidence of ESRD and all-cause mortality and their risk factors in patients newly diagnosed with SLE in Taiwan.

Methods: This nationwide cohort study used data from the National Health Insurance Research Database.

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Background/purpose(s): Gram-negative peritonitis is a frequent and serious complication of peritoneal dialysis (PD). No previous reports have focused on Klebsiella pneumoniae infection. The aim of this study was to investigate the host and bacterial factors associated with K.

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Objective: Because of the increasing incidence and prevalence of diabetes as a leading cause of end-stage renal disease (ESRD) in the aging population, we estimated the expected life-years (LYs) saved from successful prevention of ESRD in elderly patients with diabetes.

Research Design And Methods: We conducted a population-based cohort study using the National Health Insurance Research Database. We identified all incidences of ESRD in the individuals >65 years of age who were receiving maintenance hemodialysis (N = 24,243) from the registry files of catastrophic illnesses in Taiwan from 1 July 1997 to 31 December 2005.

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