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Respiratory Protection Effect of Earloop-type KF94 Masks according to the Wearing Method in COVID-19 Pandemic: a Randomized, Open-label Study

Yang HJ, Yoon H, Kang SY, Lee G, Park JE, Kim T, Lee SU, Hwang SY, Cha WC, Shin TG, Jo IJ

Background: Ear-loop-type Korean Filter 94 masks (KF94 masks, equivalent to the N95 and FFP2) are broadly used in health care settings in Korea for the coronavirus disease 2019 pandemic. Methods: A...
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The Use of Point-of-care Ultrasound in Emergency Medical Centers in Korea: a National Cross-sectional Survey

Yoo J, Kang SY, Jo IJ, Kim T, Lee G, Park JE, Hwang SY, Cha WC, Shin TG, Yoon H

Background: Point-of-care ultrasound (POCUS) is an essential tool in emergency medicine (EM). We aimed to investigate the current status and perception of POCUS use in emergency medical centers in Korea. Methods:...
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Injury patterns in cyclists with alcohol consumption

Jeong DU, Cha WC, Yoon H, Hwang SY, Shin TG, Sim MS, Jo IJ, Kim T

  • KMID: 2515961
  • J Korean Soc Emerg Med.
  • 2021 Apr;32(2):112-119.
Objective: As the cycling population grows, the lack of public awareness about the dangers of cycling while under the influence of alcohol is a signifant problem. The purpose of this...
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Predicting 30-day mortality of patients with pneumonia in an emergency department setting using machine-learning models

Kang SY, Cha WC, Yoo J, Kim T, Park JH, Yoon H, Hwang SY, Sim MS, Jo IJ, Shin TG

Objective This study aimed to confirm the accuracy of a machine-learning-based model in predicting the 30-day mortality of patients with pneumonia and evaluating whether they were required to be admitted...
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Epidemiology and Outcome of Powered Mobility Device-Related Injuries in Korea

Shin Y, Cha WC, Yoon H, Hwang SY, Shin TG, Sim MS, Jo IJ, Kim T

BACKGROUND: This study described and analysed the features of powered mobility device (PMD)-related injuries and compared elderly and younger adult injuries. METHODS: Data from Korea Emergency Department-based Injury In-depth Surveillance (EDIIS)...
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The individual and neighborhood factors associated with the use of emergency medical services in patients with ST-elevation myocardial infarction

Choi H, Cha WC, Jo IJ, Choi JH, Sim MS, Shin T

Objective The utilization of emergency medical services (EMS) varies widely among communities. In this study, we aimed to evaluate the relationship between the use of EMS by patients with ST-elevation...
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Targeted temperature management is related to improved clinical outcome of out-of-hospital cardiac arrest with non-shockable initial rhythm

Kim SG, Cha WC, Sim MS, Hwang SY, Shin TG, Park JH, Yoon H, Jo IJ, Choi JH

OBJECTIVE: The benefits of targeted temperature management (TTM) for resuscitated out of hospital cardiac arrest (OHCA) with an initial non-shockable rhythm are still unclear. This study examined whether TTM reduces...
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Short-term hemodynamic response to calcium supplementation in patients with refractory septic shock: a retrospective observational study

Chang HS, Hwang SY, Park JE, Kim T, Park JH, Yoon H, Cha WC, Sim MS, Jo IJ, Shin TG

OBJECTIVE: Research on calcium use as an adjunctive rescue therapy for refractory septic shock is limited. In this study, we aimed to investigate the short-term hemodynamic response after calcium supplementation...
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Effect of typhoons on the Korean national emergency medical service system

Park SH, Cha WC, Kim G, Lee TR, Hwang SY, Shin TG, Sim MS, Jo IJ

OBJECTIVE: While the effect of typhoons on emergency medicine has been evaluated, data are scarce on their effects on the emergency medical service (EMS). This study evaluated the effect of...
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Characteristics and outcomes of patients with septic shock who transferred to the emergency department in tertiary referral center: multicenter, retrospective, observational study

Kim MG, Shin TG, Jo IJ, Kim WY, Ryoo SM, Chung SP, Beom JH, Choi SH, Kim K, Jo YH, Kang GH, Suh GJ, Shin J, Lim TH, Han KS, Hwang SY, for the Korean Shock Society (KoSS) Investigators

OBJECTIVE: We evaluated the clinical characteristics and prognoses of patients with septic shock who transferred to the emergency department (ED) in a tertiary referral center. METHODS: This study was performed using...
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The Utility of Preliminary Patient Evaluation in a Febrile Respiratory Infectious Disease Unit outside the Emergency Department

Kang JS, Jhun BW, Yoon H, Lim SM, Ko E, Park JH, Hwang SY, Lee SU, Lee TR, Cha WC, Shin TG, Sim MS, Jo IJ

A febrile respiratory infectious disease unit (FRIDU) with a negative pressure ventilation system was constructed outside the emergency department (ED) of the Samsung Medical Center in 2015, to screen for...
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Impact of early coronary angiography on the survival to discharge after out-of-hospital cardiac arrest

Shin J, Ko E, Cha WC, Lee TR, Yoon H, Hwang SY, Shin TG, Sim MS, Jo IJ, Song KJ, Rhee JE, Jeong YK, Choi JH

OBJECTIVE: Acute myocardial infarction is a major cause of out-of-hospital cardiac arrest (OHCA). Coronary angiography (CAG) enables diagnostic confirmation of coronary artery disease and subsequent revascularization, which might improve the...
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Emergency medical service personnel need to improve knowledge and attitude regarding prehospital sepsis care

Park J, Hwang SY, Shin TG, Jo IJ, Yoon H, Lee TR, Cha WC, Sim MS

OBJECTIVE: We aimed to evaluate the knowledge and attitudes of emergency medical service (EMS) personnel pertaining to sepsis. We also compared EMS personnel’s knowledge of sepsis and their intention to...
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The Effect of Emergency Department Expansion on the Emergency Department Length of Stay in a Tertiary Hospital

Roh B, Jung KY, Kim T, Choi H, Shin TG, Sim MS, Jo IJ, Cha WC

PURPOSE: In this study, we aimed to measure the effects of emergency department (ED) expansion at a tertiary hospital on overall ED length of stay (LOS). METHODS: This study was a...
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A Survey of Emergency Department Health Care Provider on Awareness of Elder Abuse

Seong YW, Sim MS, Lee TR, Hwang SY, Cha WC, Yoon H, Shin TG, Jo IJ, Song KJ, Rhee JE, Jeong YK

PURPOSE: The population of senior citizens is rapidly growing in Korea, and this would inevitably result in the increase of elder abuse. This study was designed to survey healthcare providers...
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Emergency Department Workers' Perceptions of Effectiveness and Reported Compliance of Infection Control Measures after Middle East Respiratory Syndrome Outbreaks

Jeong G, Lee TR, Hwang SY, Cha WC, Shin TG, Sim MS, Jo IJ, Song KJ, Rhee JE, Jeong YK

PURPOSE: Middle East respiratory syndrome (MERS) outbreaks occurred in Korea during the year 2015, with the involvement of 186 patients in a relatively short period of time. The epidemiological pattern...
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Upper airway obstruction resulting from acute mucosal injury induced by direct ingestion of sodium picosulfate/magnesium citrate powder

Kim GB, Hwang SY, Shin TG, Lee TR, Cha WC, Sim MS, Jo IJ, Song KJ, Rhee JE, Jeong YK

A 59-year-old man presented to the emergency department with a chief complaint of sore throat after swallowing sodium picosulfate/magnesium citrate powder for bowel preparation, without first dissolving it in water....
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Developing and Application of a Novel Triage Tag

Lee SD, Chae MK, Hwang SY, Lee TR, Cha WC, Shin TG, Sim MS, Jo IJ, Song KJ, Rhee JE, Jeong YK

PURPOSE: Triage tags help prioritize the treatment for disaster patients based on the severity of the illness and help distribute limited resources during a time of disaster. In this study,...
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Survival and Neurologic Outcomes of Out-of-Hospital Cardiac Arrest Patients Who Were Transferred after Return of Spontaneous Circulation for Integrated Post-Cardiac Arrest Syndrome Care: The Another Feasibility of the Cardiac Arrest Center

Kang MJ, Lee TR, Shin TG, Sim MS, Jo IJ, Song KJ, Jeong YK

It has been proven that safety and efficiency of out-of-hospital cardiac arrest (OHCA) patients is transported to specialized hospitals that have the capability of performing therapeutic hypothermia (TH). However, the...
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The Relationship between EEG Findings and Prognosis in Out-of-Hospital Cardiac Arrest Patients during Therapeutic Hypothermia

Lee GT, Chung GY, Lee TR, Cha WC, Shin TG, Sim MS, Jo IJ, Song KJ, Jeong YK

  • KMID: 2333714
  • J Korean Soc Emerg Med.
  • 2014 Feb;25(1):1-8.
PURPOSE: Prediction of neurologic outcome in survivors after cardiac arrest is difficult. In particular, since therapeutic hypothermia has emerged as the standard treatment for post cardiac arrest syndrome, the prediction...
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