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Gapsu Han

Korea University · Medicine

About the Lab

Professor Gapsu Han's research lab specializes in emergency medicine and critical care, with a strong focus on improving prehospital and emergency department outcomes for acute cardiovascular and critical illnesses. The lab investigates key aspects of out-of-hospital cardiac arrest (OHCA), including compression rates in CPR, modifiable factors affecting survival, and the management of septic shock in elderly populations. It also explores toxicology and emergency care systems, particularly through telemedicine and emergency dispatch data, to enhance prehospital care quality and response efficiency.

out-of-hospital cardiac arrestCPR compression rateseptic shockemergency medical systemstoxicology response

Research Overview

Papers
24
Total Citations
67
Papers (5y)
10
Primary Field
Medicine

Research Output Trend

Figures are computed from collected data and may differ slightly.

Publications per year (5y)
10total
2019
2020
2021
2022
2023
Citations per year (5y)
0total
20192020202120222023

Selected Papers

15
1
Article|20 citations·2016
A Randomized Controlled Trial of Compression Rates during Cardiopulmonary Resuscitation
Sung Oh Hwang, Kyoung‐Chul Cha, Kyuseok Kim, You Hwan Jo, Sung Phil Chung, Je Sung You, Jonghwan Shin, Hui Jai Lee, Yoo Seok Park, Seunghwan Kim, Sangchun Choi, Eun-Jung Park
SJR Q2Journal of Korean Medical ScienceOA

www.cris.nih.go.kr, cris.nih.go.kr number, KCT0000231).

Emergency MedicineMedicine
2
Article|14 citations·2014
Out-of-hospital cardiac arrest: incidence, process of care, and outcomes in an urban city, Korea
Hanjin Cho, Sungwoo Moon, Sung Jun Park, Gapsu Han, Jong-Hak Park, Hong-Jae Lee, Jungoh Choi, Seung-Sik Hwang, Bentley J. Bobrow
SJR Q1Clinical and Experimental Emergency MedicineOA

While the survival rate from OHCA in Ansan is very low, this study provides basic information needed to create improvements. Our analysis suggests that multiple variables contribute to the low OHCA survival rate. Several of these variables are modifiable; addressing them is a clear first step toward strengthening the chain of survival from OCHA in Ansan.

Emergency MedicineMedicine
3
Article|10 citations·2016
A Randomized Controlled Trial of Compression Rates during Cardiopulmonary Resuscitation
황성오, 차경철, 김규석, 조유환, 정성필, 유제성, 신종환, 이휘재, 박유석, 김승환, 최상천, 박은정
Journal of Korean Medical Science

The objective of this study was to compare the efficacy of cardiopulmonary resuscitation (CPR) with 120 compressions per minute (CPM) to CPR with 100 CPM in patients with nontraumatic out-of-hospital cardiac arrest. We randomly assigned patients with nontraumatic out-of-hospital cardiac arrest into two groups upon arrival to the emergency department (ED). The patients received manual CPR either with 100 CPM (CPR-100 group) or 120 CPM (CPR-120 group). The primary outcome measure was sustained res

4
Article|9 citations·2011
노인요양병원으로부터 응급의료센터로 전원된 환자의 역학적 특징 분석-사례군 연구
조한진, 문성우, 김도현, 한갑수, 박종수, 이성우, 최성혁, 홍윤식
대한응급의학회지

Purpose: Nursing homes continue to increase in number,and more residents are being transferred to emergency departments (EDs). The objective of this study was to investigate the overall characteristics of residents who were transferred to the ED and follow-up their course of treatments. Methods: We identified nursing home residents aged 65years and older who had been transferred to the ED of a regional tertiary university medical center from January 2008 to December 2009. Further attention was p

5
Article|4 citations·2017
119와 1339에 접수되는 중독 상담 정보의 변화 비교: 응급의료정보센터(1339) 통합 이후의 소방구급상황센터(119)에서의 병원 전 독성 물질 노출자료 현황 분석
박종수, 박종수, 이성우, 김수진, 한갑수, 이의중

Purpose: The aim of this study was to compare the toxicologic profiles and outcome of poisoned patients by comparing the data obtained through telephone counselling, each provided by emergency medical information center (1339) and emergency dispatch center (119). Methods: We analyzed the telephone-based poison exposure data before and after Seoul 1339 merged to 119. We compared the Seoul 1339 call response data in 2008 with Seoul and Busan 119 call response data between 2014 and 2016. We analyze

6
Article|3 citations·2017
Korean Shock Society septic shock registry: a preliminary repor
신태건, 황승연, 강구현, 김원영, 류승목, 김규석, 조유환, 정성필, 주영선, 범진호, 최성혁, 윤영훈
http://ceemjournal.org/journal/view.php?number=146

Objective To evaluate the clinical characteristics, therapeutic interventions, and outcomes of patients with septic shock admitted to the emergency department (ED). Methods This study was a preliminary, descriptive analysis of a prospective, multi-center, observational registry of the EDs of 10 hospitals participating in the Korean Shock Society. Patients aged 19 years or older who had a suspected or confirmed infection and evidence of refractory hypotension or hypoperfusion were included. Resul

7
Article|2 citations·2018
안전상비의약품 판매 이후 중독환자 특성 변화
김창영, 이의중, 이성우, 김수진, 한갑수

Purpose: On November 15, 2012, sales of OTC (Over-The-Counter) drugs began at convenience stores, which changed the accessibility of some drugs. As a result, the exposure and access patterns of these drugs could have changed. In this study, we reviewed the changes in the characteristics of drug poisoning patients because of the reposition of nonprescription drugs according to the revised Pharmaceutical Affairs Act. Methods: A retrospective study was conducted to evaluate changes in characteristi

8
Article|1 citations·2006
천식 환자에 있어서 호기말 이산화탄소 분압과 동맥혈 이산화탄소 분압의 상관성
한갑수, 홍윤식, 박상민, 임성익, 최성혁, 이성우
9
Article|1 citations·2018
자살 예방을 위한 집중관리 대상으로서의 중독
곽문환, 강현영, 이시진, 한갑수, 김수진, 이의중, 이성우
http://dx.doi.org/10.22537/jksct.16.2.93

Purpose: The Korean government has tried to decrease the suicide death rate over the last decade. Suicide attempts, particularly non-fatal attempts, are the most powerful known risk factor for a completed suicide. An analysis of suicide attempt methods will help establish the effective preventive action of suicide. Fit prevention according to the method of suicide attempt may decrease the incidence of suicide death. Self-poisoning is suggested as a major method of both suicide attempts and suici

10
Article|1 citations·2018
상급종합병원 및 종합병원 응급실로 전원된 패혈성 쇼크 환자의 특성과 예후: 다기관 후향적 관찰연구
김민균, 신태건, 조익준, 김원영, 유승목, 정성필, 범진호, 최성혁, 김규석, 조유환, 강구현, 서길준
대한응급의학회지

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 a prospective, multi-center registry of septic shock, with the participation of 11 tertiary referral centers in the Korean Shock Society between October 2015 and February 2017. We classified the patients as a transferred group who transferred from other hospitals after meeting the i

11
Article|1 citations·2018
급성 중독에서 체외순환보조장치의 적용
이시진, 한갑수, 이의중, 김도현, 박경애, 이지영, 김수진, 이성우
http://dx.doi.org/10.22537/jksct.16.2.86

Purpose: Cardiovascular or respiratory complications of acute intoxication are the most common causes of mortality. Advanced cardiac life support (ACLS) or specific antidotes help manage these cardiac or respiratory complications in acute intoxication. On the other hand, some cases do not respond to ACLS or antidotes and they require some special treatment, such as extracorporeal life support (ECLS). ECLS will provide the chance of recovery from acute intoxication. This study examined the optima

12
Article|1 citations·2013
초기 확산강조 MR 영상에서 음성을 보인 급성기 뇌경색 환자의 임상 양상
남궁인, 한갑수, 조한진, 문성우, 최성혁, 이병찬
대한응급의학회지

Purpose: Diffusion-weighted magnetic resonance (MR)image (DWI) has advantages for the assessment of acute stroke. However, false negative DWI findings in acute ischemic stroke have been reported. Our purpose was to estimate the rate of initial false negative DWI studies in acute ischemic stroke patients and to identify characteristics of false negative DWI stroke patients. Methods: In this retrospective study from January 2010 to June 2011, acute ischemic stroke patients (within 6 hours after st

13
Article|0 citations·2021
응급의료센터로 내원하는 전입 환자 중 재전원 되는 환자의 특성 분석
한갑수, 정진우, 강형구, 김원영, 김수진, 이성우
대한응급의학회지

Objective: This study investigates the characteristics of patients who were re-transferred from other hospitals to regional or local emergency medical centers. Methods: Data from 2016 to 2017 was obtained from the National Emergency Department Information System (NEDIS). The study population was classified as ‘transferred group’ and ‘direct visit group.’ The transferred group was further subdivided into the ‘re-transfer group’ (patients transferred out to another hospital) and ‘single transfer g

14
Article|0 citations·2020
우리나라 응급의료기관 평가제도의 개선방안
한갑수, 김원영, 김수진, 정진우, 강형구, 이철웅, 이성우
대한의사협회지

In Korea, the national evaluation program for emergency medical centers (EMCs) was introduced in 2003. EMCs in Korea have three levels of emergency centers including regional emergency centers, local emergency centers, and local emergency rooms. The evaluation system assesses the performance of EMCs at all three levels. The role of both regional emergency centers and local emergency centers administer the final treatment for severe emergency patients, although the definition of severe emergency

15
Article|0 citations·2021
28개 중증상병 진단군에 따른 재실 시간과 입원 후 사망과의 연관성 분석
한갑수, 정진우, 강형구, 김원영, 김수진, 이성우
대한응급의학회지

Objective: The purpose of this study was to analyze the effects of emergency department length of stay (ED LOS) on the prognosis of patients classified in 28 severe illness diagnosis code groups. Methods: We used data from the National Emergency Department Information System (NEDIS) from 2016 to 2017. Patients with severe illness diagnosis codes as per the discharge diagnosis reports of the emergency department were included and classified into 28 diagnosis code groups. We used multiple logistic

Research Areas

Emergency Medicine

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