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目的:探究在心肺复苏操作中应用实时反馈装置对不同人群胸外按压质量的影响。方法:有抢救心肺复苏病人经验的急诊科医护人员、获得基础生命支持培训证书的医学生和仅简单学习过心肺复苏知识的旁观者各25人,先背对心肺复苏反馈装置显示屏按照2015年指南要求实施2min的无反馈胸外按压,在休息6h后再面对反馈装置的显示屏进行2min的有反馈胸外按压,记录受试者胸外按压质量。结果:3组受试者有无反馈装置的胸外按压质量均有显著统计学差异(P<0.01),3组结果分别为(53.7±25.2)%vs(18.3±23.2)%,(53.5±32.5)%vs(25.6±31.5)%,(33.9±30.8)%vs(6.9±15.8)%;旁观者无反馈的胸外按压质量明显低于医护人员和医学生(P<0.01),但使用反馈装置之后3组受试者按压质量的差异无统计意义。结论:使用实时反馈装置可以显著改善不同人群胸外按压质量,同时也可以减少不同人群之间胸外按压质量的差异。
OBJECTIVE: To explore the effect of real-time feedback device on chest compressions in different population during cardiopulmonary resuscitation. Methods: There were 25 emergency medical staff who had rescued CPR patients, 25 medical students who obtained the basic life support training certificate, and 25 people who had simply studied CPR. The guideline requires 2 min of chest compression with no feedback, 6 h after resting, and 2 min of chest compression with the feedback device on the display, recording the quality of the chest compressions. Results: There was a significant difference in the quality of chest compressions between the three groups (P <0.01). The results of the three groups were (53.7 ± 25.2)% vs (18.3 ± 23.2)%, (53.5 ± 32.5)% vs (25.6 ± 31.5)%, (33.9 ± 30.8)% vs (6.9 ± 15.8)% respectively. The quality of chest compressions without onlookers was significantly lower than that of medical staff and medical students (P <0.01) There was no significant difference in press mass between the three groups after the feedback device. Conclusion: The use of real-time feedback device can significantly improve the quality of chest compressions in different populations, but also can reduce the differences in the quality of chest compressions among different groups.