目的：探讨使用医疗优先调度系统对院外心脏骤停进行电话指导心肺复苏的时效性、完成率和影响因素。方法调度员使用MPDS受理呼救中确定为9-E代表心脏骤停代码的病例389例通过人工复听调度录音，测量调度环节用时，进行统计分析。结果 T-CPR实施率73.87%；呼救者打通电话到接受T-CPR平均用时2 min 23 s；旁观者施行CPR持续时间平均8.5 min；救护车平均到达时间13 min 7 s；呼救者的情绪合作度评分（ECCS）均分为2.0±0.864；ECCS分值与T-CPR完成率有统计学相关性（χ2=62.419，P<0.001）；调度员从事MPDS年限与T-CPR率无统计相关性（χ2=0.074，P=0.762）；T-CPR实施与复苏成功未见统计学相关性（χ2=1.306，P=0.253）。%Objective To evaluate the effects of Meidical Priority Dispatch System (MPDS) on the telephone-assisted cardiopulmonary resuscitation(T-CPR)for the patients with severe out-of-hospital cardiac arrest(OHCA). Methods After receiving the calls for help, the emergency medical dispatchers (EMDs) of WUXI Emergnecy Center immediately analyzed the condition based on the MPDS and guided the personnel on the spot by telephone how to perform CRP on the patients with severe cardiac arrest, and the scale of Emotion Content and Cooperation Score (ECCS) was used to evaluate the callers, meanwhile the ambulances were sent out. In the year 2014 287 of the 389 patients were treated by T-CPR based on the MPDS. The effects were evaluated by SPSS. Results The mean duration of T-CPR by the callers was 476s (7m56s). The mean arrival time of ambulances was 726s (12m06s). The average ECCS score of 380 callers was (2.0 ± 0.864). The callers with lower ECCS scores showed higher T-CPR performance rates. The working years as an EMD did not related to the T-CPR performance rate. Conclusion The timeliness and performance rate of T-CPR for the patients with severe OHCA were effectively inproved by the MPDS.
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