先心病婴幼儿体外循环心脏手术前后呼吸机械力学的变化

被引：3

作者：

赵璧君 ^{[1
]}

雷兰萍 ^{[1
]}

金振晓 ^{[1
]}

熊红燕 ^{[2
]}

高照波 ^{[1
]}

陈敏 ^{[3
]}

邓超 ^{[1
]}

陈涛 ^{[1
]}

机构：

[1] 西京医院心血管外科

[2] 西安市中心医院心胸外科

[3] 西京医院麻醉科

来源：

当代医学 | 2010年 / 16卷 / 04期

关键词：

先天性心脏病; 体外循环; 肺功能; 婴幼儿;

D O I：

暂无

中图分类号：

R726.5 [小儿各生理系统外科学];

学科分类号：

100202 ;

摘要：

目的观察体外循环心脏手术对婴幼儿呼吸机械力学的影响。方法回顾分析2007年12月～2008年11月在西京医院心脏外科进行心脏畸形矫治的99例年龄<3个月的患儿手术前后呼吸机械力学参数的变化。分别在麻醉诱导后、手术结束关胸后和返回ICU后3个时间点测定患儿的肺动态顺应性和全肺阻力,并记录患儿年龄,体重,术前胸片浸润性改变情况,术前机械通气情况,术前肺血流量增高情况,体外循环时间,主动脉阻闭时间,深低温停循环时间和体外循环中超滤量等参数。结果体外循环心脏手术后,肺血流量增高,患儿的全肺阻力下降,年龄越小,改善越明显。而术前肺血流量正常或者降低的患儿,手术后肺动态顺应性下降。结论术后肺血流量增高,患儿体外循环心脏手术后呼吸机械力学参数改善,其改善程度超过了体外循环对肺的损伤程度。

引用

页码：13 / 16

页数：4

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