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초오 중독 환자에서 나타나는 부정맥은 교정 QT 간격 연장과 어떤 관계를 보이는가?

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Author(s)
김태권진상찬김성진최우익
Keimyung Author(s)
Jin, Sang ChanKim, Sung JinChoi, Woo Ik
Department
Dept. of Emergency Medicine (응급의학)
Journal Title
대한응급의학회지
Issued Date
2013
Volume
24
Issue
5
Abstract
Purpose: This study examined the association between the prolongation of heart rate-corrected QT (QTc) and arrhythmia in patients with aconitine intoxication.
Methods: A 13-year retrospective study of patients with aconitine poisoning treated at emergency departments between March 2002 and May 2013 was conducted. The EKGs obtained within 4 hours after the ingestion of aconitine were analyzed to measure the QT and QTc intervals. The QT interval was manually measured and QTc was obtained using Bazett's formula. The patients were divided into a normal QTc group and a prolonged QTc group (prolonged QTc interval defined as >450 ms in men and >470 ms in women). General characteristics, clinical features, laboratory results, and abnormal EKG findings of the two groups were compared.
Results: Forty-one patients were enrolled in this study. The mean QTc intervals of the normal QTc group (n=20) and prolonged QTc group (n=21) were 446.4±18.2 ms and 500.6±18.1 ms, respectively. The prolonged QTc group had a significant presence of arrhythmia compared with the normal QTc group. Arrhythmia occurred in two of the 20 normal QTc group patients and 17 of the 21 prolonged QTc group patients (p<0.001). Premature ventricular contractions were observed in one normal QTc patients and in 17 prolonged QTcpatients (p<0.001). Ventricular arrhythmias were the most common arrhythmia in both groups. A bundle branch block occurred in 12 patients, all from the prolonged QTc group (p<0.001). Eleven of 12 patients with a bundle branch block had their electrocardiogram return to normal.
Alternative Title
Analysis of QTc Prolongation Related to Arrhythmia in Patients with Aconitine Intoxication
Keimyung Author(s)(Kor)
진상찬
김성진
최우익
Publisher
School of Medicine
Citation
김태권 et al. (2013). 초오 중독 환자에서 나타나는 부정맥은 교정 QT 간격 연장과 어떤 관계를 보이는가? 대한응급의학회지, 24(5), 548–556.
Type
Article
ISSN
1226-4334
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/38267
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Emergency Medicine (응급의학)
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