Publications by authors named "Chang Yun-Te"

Article Synopsis
  • Vibrio vulnificus is a harmful bacterium that can lead to severe infections, including sepsis, where an overactive immune response often worsens patient outcomes.
  • The study investigates how V. vulnificus affects immune cells, specifically showing that it triggers inflammation and impairs the ability of macrophages to engulf pathogens through a specific receptor called P2X7R.
  • Researchers found that blocking P2X7R not only reduces inflammation and the spread of the bacteria in mice but also offers potential new treatment strategies for infections caused by V. vulnificus.
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Background: Targeted temperature management (TTM) is recommended for postresuscitation care of patients with sudden cardiac arrest (SCA) and its implementation remains challenging. This study aimed to evaluate the newly designed Quality Improvement Project (QIP) to improve the quality of TTM and outcomes of patients with SCA.

Methods: Patients who experienced out-of-hospital cardiac arrest (OHCA) and in-hospital cardiac arrest (IHCA) with return of spontaneous circulation (ROSC) and were treated in our hospital between January 2017 and December 2019 were enrolled retrospectively.

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Introduction: Geriatric syndrome (GS) increases risk of disability and mortality in older adults. Sarcopenia is a predominant illness of GS and accelerate its progression. This study aimed to investigate associations between mortality, emergency department (ED) re-visits and GS-related illnesses among older adults who visited the ED.

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The lung is the first and most frequent organ to fail among sepsis patients. The mortality rate of sepsis-related acute lung injury (ALI) is high. Despite appropriate antimicrobial therapy, no treatment strategies are available for sepsis-induced ALI.

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The picornavirus Aichi virus (AiV) is a non-enveloped RNA virus that causes acute gastroenteritis symptoms, such as diarrhea, abdominal pain, nausea, vomiting, and fever. Antiviral host defense involves the fast response of type I interferon (IFN) and the secretion of inflammatory cytokines against pathogens. However, the intestinal inflammatory and antiviral response to AiV infection is poorly understood.

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Spontaneous rupture of the urinary bladder (SRUB) is a rare urological emergency associated with urinary ascites and apparent acute kidney injury. The clinical course can be severe or lethal if no early diagnosis is achieved. We present a 44-year-old woman with type 2 diabetes mellitus had progressive abdominal fullness, poor appetite, dyspnea, and lower legs edema for two days.

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Catecholamines have both anti-inflammatory and vasoactive properties. A decreased cardiac response to catecholamines has been associated with a high risk of death in sepsis and septic shock. The aim of this study was to investigate the effects of epinephrine (EPI) on heart rate variability (HRV) and autonomic balance, as well as cytokine levels, in a rat sepsis model.

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Idiopathic pulmonary arterial hypertension (IPAH) is a rare and progressive disease with non-specific signs and symptoms. A 50-year-old woman with IPAH presented to the emergency department (ED) with a complaint of episodic dyspnea that had persisted for the previous two months. Based on the fi ndings of the initial chest computed tomographic angiography conducted in the ED, we suspected pulmonary hypertension.

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Background/purpose: Overcrowding of hospital emergency departments (ED) is a worldwide health problem. The Taiwan Joint Commission on Hospital Accreditation has stressed the importance of finding solutions to overcrowding, including, reducing the number of patients with >48 h stay in the ED. Moreover, the Ministry of Health and Welfare aims at transferring non-critical patients to district or regional hospitals.

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Hepatic abscesses are rarely encountered in disseminated nocardia infections. We report a rare case of idiopathic Sweet syndrome (SS) who responded well to steroid therapy. However, he developed multiple abscesses in the lung, liver and spleen after 6 months of systemic steroid therapy.

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Hepatic angiosarcoma (HAS) is rare but often fatal. A review of literature in 1979 found that only 3% of the 70 patients lived for more than 2 years, but the survival might have been improved over the years. We conducted a retrospective study and reviewed the medical records of patients who visited a teaching hospital in Taiwan from January 2000 to August 2010 and had pathological proof of HAS.

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Tuberculous aortic aneurysm is an extremely rare disease with a high mortality rate. The clinical features of this condition are highly variable, ranging from asymptomatic with or without constitutional symptoms, abdominal pain to frank rupture, bleeding and shock. We herein report the case of a 56-year-old man with a large tuberculous mycotic aneurysm in the abdominal aorta with an initial presentation of repeated attacks of abdominal pain lasting for several months.

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Hypokalemic Periodic Paralysis (HPP) may occur as a rare complication of Sjogren Syndrome (SS) and Renal Tubular Acidosis (RTA). A 64-year male patient came with HPP, and was later diagnosed with distal RTA. The patient, who had no xerostomia and xerophthalmia, was diagnosed with primary SS from serologic and histologic findings of minor salivary gland biopsy.

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Objective: Secondary hyperparathyroidism and its associated abnormalities in mineral metabolism and haemodynamic changes increase the cardiovascular risk in patients with end-stage renal disease (ESRD). Our objective was to determine the association of parathyroidectomy (PTX) with major cardiovascular events in nondiabetic dialysis patients with severe secondary hyperparathyroidism (SHPTH).

Design And Patients: We performed a cohort study with fifty-three nondiabetic ESRD patients who were treated with maintenance haemodialysis and who had intact parathyroid hormone (PTH) levels > 800 pg/ml.

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Objective: The objective of this study is to determine whether hypothermia will lessen decreases in heart rate variability and improve outcome in a rat model of sepsis.

Methods: Thirty-six male Sprague-Dawley rats were randomized into 3 groups: control, low sepsis, and high sepsis groups. These groups were each subdivided into a normothermia (37°C) (n = 6) and a hypothermia group (34°C) (n = 6).

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Article Synopsis
  • The study aimed to assess how age affects heart rate variability (HRV) in rats undergoing therapeutic hypothermia, comparing younger (2 months) and older (18 months) groups.
  • Thirty-six male Sprague-Dawley rats were exposed to normothermia and two levels of hypothermia, with heart rate measurements taken continuously during the experiment.
  • Results showed that age significantly influenced HRV, with younger rats demonstrating different patterns in low frequency (LF) and high frequency (HF) power compared to older rats, highlighting the need for further research on this topic.
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Article Synopsis
  • The study focuses on the epidemiology and microbiology of bacteremia in adult patients visiting the emergency department (ED) of a medical center in southern Taiwan, highlighting a significant occurrence of severe sepsis cases.
  • A total of 890 episodes of bacteremia were identified among 831 patients, with a 13.5% positive culture rate, revealing the predominance of community-acquired infections, particularly urinary tract infections caused mainly by Escherichia coli.
  • The research also noted a higher prevalence of Staphylococcus aureus in nosocomial infections and a notable mortality rate of 21%, with many deaths occurring shortly after ED visits.
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Objective And Design: To examine the protective effects of a lazaroid, 21-aminosteroid U-74389G, in a rat septic shock model.

Materials Or Subjects: Male Sprague-Dawley rats (n = 60) aged 6-8 months.

Treatment: Groups were exposed to 500 cGy radiation followed by E.

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Objective: Epinephrine has been the primary drug for cardiopulmonary resuscitation (CPR) for more than a century. The therapeutic rationale was to restore threshold levels of myocardial and cerebral blood flows by its alpha1 (alpha1) and alpha2 (alpha2)-adrenergic agonist vasopressor actions. On the basis of coincidental observations on changes in microvascular flow in the cerebral cortex, we hypothesized that epinephrine selectively decreases microvascular flow.

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Aim Of Study: Interruptions in cardiopulmonary resuscitation (CPR), particularly as guided by automated external defibrillators, have been implicated in poor survival from cardiac arrest. Interruptions of CPR may be reduced by eliminating repetition of shocks between periods of CPR, elimination of the interval for patient assessment before CPR, and extension of the periods of CPR.

Materials And Methods: The effects of exclusion of a 30s post-shock assessment interval prior to CPR and use of a longer interval (180s versus 90s) of CPR on resuscitation and post-resuscitation function were assessed in a factorial design using an established swine model of cardiac arrest.

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Objective: To compare the rectilinear biphasic waveform with a biphasic truncated exponential waveform for pediatric defibrillation.

Design: Prospective, randomized study.

Setting: Experimental laboratory of a university-affiliated research institute.

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Background: We address the quality of chest compressions and the impact on initial defibrillation or initial chest compressions after sudden death.

Methods: Ventricular fibrillation was induced by occlusion of the left anterior descending coronary artery in 24 domestic pigs with a mean (+/- SD) weight of 40 +/- 2 kg. Cardiac arrest was left untreated for 5 min.

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Objective: The present study was undertaken to compare an animal model of electrically induced VF with ischemically induced VF. In a preponderance of models of cardiac arrest and resuscitation in intact animals, ventricular fibrillation (VF) is induced by an alternating current delivered directly to the epicardium or endocardium. Yet, the applicability of such animal models has been challenged for it is not an electrical current alone but rather a current generated in the ischemic myocardium that triggers VF.

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Objective: Direct observations of the microcirculation using orthogonal polarization spectral imaging have attracted attention and revealed that, especially in cardiogenic and distributive shock, there is discordance between the macrocirculation and the microcirculation. We evaluated serial changes and the effects of epinephrine on microcirculatory blood flow in the most severe form of circulatory failure, namely, cardiac arrest.

Design And Setting: : Controlled laboratory animal study.

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