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J Korean Soc Emerg Med > Volume 16(3); 2005 > Article
Journal of The Korean Society of Emergency Medicine 2005;16(3): 327-333.
Clinical Course of Hypoxic-ischemic Coma after Cardiopulmonary Resuscitation in Korea
Kyu Nam Park, Seung Pil Choi, Mi Jin Lee, Young Min Kim, Kyung Ho Choi, Choon Ho Sung, Thae Young Kwak, Won Jae Lee
1Department of Emergency Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea. emsky@catholic.ac.kr
2Department of Anesthesiology & Pain Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.
ABSTRACT
PURPOSE:
This study analyzed the survival and the recovery of consciousness in hypoxic-ischemic coma at different time points till 30 days after cardiopulmonary resuscitation (CPR).
METHODS:
A survival analysis was done using Kaplan-Meier estimates, and 30-day outcomes were calculated for all unconscious patients at 24 h, 72 h, 5 days, 7 days, and 14 days after CPR. The patient's characteristics and outcomes were compared with those for published patient series.
RESULTS:
After 30 days, 32.4% of 74 patients were alive and conscious, 16.2% were still unconscious, and 51.4% had died. The proportions of patients who regained conscious were 32.4% of those unconscious within 6 h post CPR, 34.7% of those still unconscious after 72 h, and 21.1% of those still unconscious after 2 weeks. The proportion surviving increased from 16.2% of patients who were unconscious initially to 63.1% of those still unconscious after 2 weeks.
CONCLUSION:
The outcomes of hypoxic-ischemic coma vary with the duration of unconsciousness after CPR.
Key words: Anoxic-ischemic Coma, Survival analysis, Cardiac arrest
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