目的：探讨心搏骤停患者心肺复苏过程中呼气末二氧化碳分压( PETCO2)的变化情况。方法选取本院2011年10月~2013年12月诊治的心搏骤停患者86例,均行心肺复苏治疗和PETCO2监测。根据复苏效果分为两组,34例患者自主循环恢复( ROSC)为观察组,52例患者复苏未成功为对照组,比较两组患者不同时间点PETCO2的变化情况。根据存活时间,将观察组分为两组,19例患者于24h内死亡为A组,15例患者存活大于24h为B组,比较两组患者不同时间点PETCO2的变化情况。结果对照组患者PETCO2先升高后降低,观察组患者PETCO2持续升高,观察组患者PETCO2在多个时相点均明显高于对照组,差异均有统计学意义(P<0．05)；A组与B组患者PETCO2均持续升高,B组患者PETCO2在多个时相点均明显高于A组,差异均有统计学意义(P<0．05)。结论心搏骤停患者心肺复苏过程中,PETCO2与患者预后密切相关,可作为心肺复苏预后的有效监测指标。%Objective To investigate changes of end tidal carbon dioxide partial pressure ( PETCO2 ) during cardiopulmonary resuscitation in patients with cardiac arrest. Methods 86 patients with cardiac arrest were selected from October 2011 to December 2013, who were treated with cardiopulmonary resuscitation and end tidal carbon diox-ide partial pressure monitoring. According to effect of resuscitation, they were divided into two groups. 34 patients were ROSC as the observation group, and 52 patients were not successful resuscitation as the control group. The changes of PETCO2 at different time points were compared between the two groups. According to living time, patients in the observation group were divided into two groups, 19 patients died in 24h as the A group and 15 patients survival over 24h as the B group. Results The level of PETCO2 increased first and then decreased in the control group, and it increased continually in the observation group. PETCO2 at multiple time points in the observation group was signifi-cantly higher in the observation group than in the control group (P<0. 05). PETCO2 continued to increase in the A group and the B group, and it was significantly higher in the B group than in the A group at multiple time points ( P<0. 05). Conclusion During cardiopulmonary resuscitation in patients with cardiac arrest, PETCO2 is closely re-lated with prognosis, which can be used as an effective indicator in the prognosis of cardiopulmonary resuscitation.
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