肺功能检测对心脏外科手术患者预后的临床评估

目的探讨术前肺功能检测对心脏外科手术患者术后危险性评估的意义。方法根据术前肺功能状况,以第一秒用力呼气量（FEV1）〈1.8L、一秒率（FEV1%）〈65%及最大通气量（MVV）〈80%作为中度肺功能障碍的标准,将468例心脏外科手术患者分为两组,A组（n=240）,B组（n=228）,分别观察拔除气管插管脱呼吸机时间、手术后住院时间、肺部并发症情况。结果术后A组与B组比较,B组并发症发生例数显著增多,脱呼吸机气管插管时间显著延长,术后住院天数显著增加,两组比较差别有显著性（P〈0.05）。结论对心脏外科手术患者,术前必须了解肺功能的损害程度,以便估计术后脱离呼吸机是否有困难,术前已有中度及以下肺功能损害者比肺功能正常者术后肺部并发症更多、在ICU监护时间更长,术后住院时间也更久。

Prognosis evaluation in patients with heart surgery by pulmonary function tests

Objective to study the clinical significance of preoperative pulmonary function tests in patients with heart surgery.Methods According to the preoperative pulmonary function,forced expiratory volume in first second （FEV1）〈1.8L,second rate （FEV1%）65%,and maximal voluntary ventilation （MVV）〈80% as moderate pulmonary dysfunction standards,the 468 cases of cardiac surgery patients were divided into two groups,A group （n=240）,B group （n=228）.To observed the time that detached from the ventilator,the days Post-operative hospitalization and the pulmonary complications.Results the differerence between the two groups were significantly,groups B had more cases of lung complications,longer deviated from respirometer and more days of hospitalization after operation.Conclusions we should know the degree of respirometric function injured before heart surgery.In order to assess the difficulty of deviating fronrespirometer.Before heart surgery,patients with moderate pulmonary function and less then that had more lung complication,stayed in ICU longer,and hospitalized longer after heart surgery.