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雾化吸入硝普钠对肺源性心脏病患者肺动脉高压的影响 被引量:9

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摘要 目的探讨硝普钠雾化吸入对肺源性心脏病(肺心病)患者肺动脉高压的影响。方法选择慢性肺心病肺动脉高压患者30例,静息测量肺动脉压、左心室射血分数,水银柱血压计测量肱动脉平均动脉压;而后行生理盐水雾化吸入20min,停吸10min;再行硝普钠雾化吸入(1.0g/L)20min;分别于两者吸入5、10、15、20min以及停吸5、10min时测量上述各项指标,并进行比较分析。结果生理盐水雾化吸入全程各指标无明显变化。硝普钠雾化吸入5min时,肺动脉压由(66.76±10.24)mmHg降至(56.44±11.22)mmHg(P<0.01);左心室射血分数由0.50±0.04升至0.56±0.06(P<0.01);10min时,肺动脉压继续下降至(53.26±10.62)mmHg(与5min时比较,P<0.01);左心室射血分数继续上升至0.58±0.06(与5min时比较,P<0.01);吸入至20min,肺动脉压、左心室射血分数与10min比较无明显变化;停止吸入5min,肺动脉压即回升至(63.22±10.44)mmHg,左心室射血分数降至0.53±0.04(P<0.01);停吸10min均恢复至吸入前状态。平均动脉血压全程无明显变化。结论硝普钠雾化吸入可明显降低肺心病患者肺动脉压,提高左心室射血分数,但对平均动脉血压无明显影响。
出处 《中国综合临床》 北大核心 2005年第2期105-107,共3页 Clinical Medicine of China
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