심폐소생술에서 2분 간격의 구조자 교대는 적절한가?
Does Switching Rescuers Every 2 Minutes Improve the Quality of Chest Compression Provided in Cardiopulmonary Resuscitation?
Purpose: 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.Methods: 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.Results: 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).Conclusion: 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.
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