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J Korean Soc Emerg Med > Volume 22(6); 2011 > Article
Journal of The Korean Society of Emergency Medicine 2011;22(6): 609-614.
Does Switching Rescuers Every 2 Minutes Improve the Quality of Chest Compression Provided in Cardiopulmonary Resuscitation?
Young Jo Kim, Gyu Chong Cho, Ji Yeong Ryu, Ji young You, Yong Su Jang
Department of Emergency Medicine, Hallym University Medical Center, Seoul, Korea. emdrcho@empal.com
Effective chest compressions may improve the return of spontaneous circulation and positive neurologic outcomes in cardiac arrest victims. Out of concern for rescuer fatigue, guidelines for cardiopulmonary resuscitation (CPR) recommend that the individual applying chest compressions should be switched every 2 minutes, but there is little evidence to support this recommendation. In this study, we investigated whether or not changing the individual who is applying chest compressions every 2 minutes during cardiopulmonary resuscitation is appropriate or not.
We recruited health personnel working at one university hospital on a volunteer basis. On a randomly assigned day, we compared the effectiveness of the use of multiple rescuers following the 2 minute guideline, versus single rescuer (rescuer-limited) in performance of CPR. The resulting data was collected by use of CPR recording technology, and chest compression quality variables including compression rate, compression depth, proportion of adequate compression depth, and proportion of incomplete recoil were recorded.
There were statistically significant improvements in the rescuer-limited trial outcome including average compression depth (p=0.013), proportion of adequate compression depth (p=0.027), and difference in reported fatigue (0.007).
In this study, we found that a rescuer-limited method is more effective than the multiple rescuer method in terms of subjective fatigue and chest compression quality metrics.
Key words: Cardiopulmonary resuscitation, Fatigue, Quality
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