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    反比通气对腹腔镜妇科病人气道压及围手术期PaCO2的影响

    Effect of inverse ratio ventilation on the airway pressure and perioperative PaCO2 in gynecologic patients treated with laparoscopic surgery

      摘要
    • 摘要: 目的：探讨反比通气（IRV）是否会对腹腔镜妇科病人气道压及围手术期PaCO2造成影响。方法：采用随机、双盲选择择期全麻下行腹腔镜妇科病人60例，分为常比通气组（CRV组，I：E=1：2）和IRV组（IRV组，I：E=2：1），比较手术期不同时间点的气道压力和围手术期不同时间点的PaCO2值。结果：IRV组在气腹后60 min的气道峰压、平台压低于CRV组（P<0.05~P<0.01），2组所有时间点的PaCO2差异无统计学意义（P>0.05）。结论：IRV能有效降低腹腔镜妇科病人长期气腹的气道压力，且对围手术期PaCO2不造成影响。

       

      Abstract: Objective:To investigate the effects of inverse ratio ventilation(IRV) on the airway pressure and perioperative PaCO2 in gynecologic patients treated with laparoscopic surgery.Methods:Sixty patients scheduled by laparoscopic resection for gynecologic tumor were randomly and double-blindly divided into the conventional ratio ventilation group(CRV group,I:E=1:2) and inverse ratio ventilation group(IRV group,I:E=2:1).The airway pressure and PaCO2 value at different time points during perioperative period between two groups were compared.Results:The peak and plat pressure at 60 min after pneumoperitoneum in IRV group were lower than those in CRV group(P<0.05~P<0.01).There was no statistical significance in PaCO2 value at all perioperative time points between two groups(P>0.05).Conclusions:IRV can effectively reduce the airway pressure in long-term pneumoperitoneum gynecological patients treated with laparoscopy,and has no effect on PaCO2 during perioperative period.

       

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