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脉压对老年高血压患者全身麻醉后术中血液动力学不稳定影响的研究 被引量:5

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摘要 目的研究术前脉压、舒张期功能障碍与术中血流动力学不稳定的关系。方法选取被安排接受全身麻醉下行骨科下肢关节置换术的老年高血压(n=61)和老年正常血压(n=21)患者,术前用多普勒超声心动图确定舒张期功能障碍分级,在麻醉过程中测定肱动脉脉压,并在术中记录高血压和低血压的发生。结果老年高血压患者血流动力学不稳定性显著高于对照组;有、无舒张期功能障碍的高血压患者血流动力学不稳定的指数无显著性差异,该指数与脉压呈正相关(R=0.56,P<0.0001,R2=0.32),与收缩压(SBP)呈正相关(r=0.45,P<0.000 1),但与舒张压(DBP)无显著相关关系(r=0.15,P=0.18)。结论老年高血压患者行骨科下肢关节置换术全身麻醉后血流动力学不稳定性的增加与术前肱动脉脉压的增加相关,而与舒张期功能障碍程度无显著相关性,可以借此作为预测血流不稳定程度的指标。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2013年第14期3340-3342,共3页 Chinese Journal of Gerontology
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