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HTK液与含血停搏液对瓣膜置换术中心肺保护的研究 被引量:1

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摘要 目的比较HTK液和含血停搏液在风湿性心脏病患者瓣膜置换术中的心肺保护效果。方法风湿性心脏病联合瓣膜病患者42例随机分为常规组(应用含血停搏液)和HTK组(应用HTK液)各21例。测定麻醉诱导前,术后6、12、24h的心排量(cardiac output,CO)和心脏指数(cardiac index,CI),比较2组主动脉阻断时间、心脏恢复跳动时间、主动脉开放后辅助循环时间和心脏自动复跳率等临床指标。检测体外循环开始前,开放主动脉后30、90、120min 4个时间点的平均肺动脉压(mean pulmonary arterial pressure,MPAP)、肺毛细血管楔压(pulmonarycapillary wedge pressure,PCWP)和肺血管阻力(pulmonary vascular resistance,PVR)。结果 HTK组术后12、24h CO和CI均高于常规组(P<0.05);HTK组主动脉开放后30、90、120min主动脉阻断时间、心脏恢复跳动时间、主动脉开放后辅助循环时间均低于常规组(P<0.05),而心脏自动复跳率高于常规组(P<0.05);HTK组主动脉开放后30、90、120min的PCWP、MPAP、PVR值均低于常规组(P<0.05)。结论 HTK液对风湿性心脏病患者瓣膜置换术中心肌的保护作用优于含血停搏液,可减轻体外循环所造成的肺损伤。
出处 《河北医科大学学报》 CAS 2013年第7期800-802,共3页 Journal of Hebei Medical University
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