心肺复苏不同循环周期按压质量分析

目的：通过对医务人员心肺复苏不同循环周期的按压质量变化分析,探讨5个循环周期交替按压是否合理。方法：2012-06-2013-10,选择参加培训的135名医务人员为研究对象,采用复苏反馈系统对不同循环周期胸外按压深度、频率和总体有效率进行分析。结果：随着按压周期的进行,胸外按压平均按压深度和平均按压频率逐渐降低,差异有统计学意义（P〈0.05）;平均按压有效率随着循环周期的进行不断下降,但差异无统计学意义（P〉0.05）。男、女性组平均深度比较,差异有统计学意义（P〈0.05）;而两组间平均频率比较,差异无统计学意义（P〉0.05）。结论：随着CPR循环周期的增加,按压质量逐渐下降。临床工作中,为得到更好的按压效果,在有条件情况下,可以考虑四个循环后交替按压。

Quality of chest compressions during one rescuer cardiopulmonary resuscitation

Objective：Evaluating the quality of chest compressions during one-rescuer cardiopulmonary resuscitation to investigate that alternating provider after 5th cycle is reasonable or not.Method：We select 135medical staffs,who participated in the cardiopulmonary resuscitation（CPR）training during June.2012-Oct.2013to analyze compression depth,rate and efficiency of chest compression in different cycles by using realtime feedback system.Result：As the compression cycles go on,average compression depth and average compression rate of chest compression decreased gradually,there is significant statistical difference among the 5cycles（P=0.025〈0.05P=0.016〈0.05）;The average efficiency of compression decreased as the cycles go on,while there is no significant statistical difference among the 5cycles（P=0.327〉0.05）.When compared average compressions depth between male group and female group,there is significant statistical difference（P=0.000〈0.05）;While there is no significant statistical difference in average rate between male group and female group（P=0.181〉0.05）.Conclusion：As CPR cycles go on,the quality of chest compressions decreased gradually.Alternating chest compression providers after the 4th cycle can be considered,in order to get higher quality of CPR in future work.