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机械通气患者下腔静脉管径、呼吸变异系数与中心静脉压的相关性研究 被引量:2

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摘要 目的探讨机械通气患者下腔静脉管径(IVC)、呼吸变异指数(RVI)与中心静脉压(CVP)的相关性。方法选取2017年1月至2019年12月于广东省韶关市粤北人民医院行机械通气的患者33例(研究组),同时选取同期32例机械通气治疗后已达复苏目标的患者,进行前瞻性研究。对比两组患者IVC、RVI的差异;分析研究组患者复苏后2、6 h CVP、IVC及RVI的变化;分析IVC、RVI与CVP的相关性。结果研究组患者IVC管径最大值和最小值及CVP均低于对照组,RVI大于对照组(P<0.05);复苏前至复苏后6 h研究组患者CVP、IVC最大值、最小值均呈现逐渐升高的趋势,RVI均呈现逐渐降低的趋势,且不同时间点数据两两比较,差异均有统计学意义(均P<0.05),IVC最大值、IVC最小值与CVP呈正相关(r=0.837、0.891,P<0.05),RVI与CVP呈负相关(r=-0.809,P<0.05)。结论在机械通气患者中,吸气期间CVP和IVC、RVI之间存在很强的相关性,可指导临床的容量监测。
出处 《现代医学与健康研究电子杂志》 2020年第23期51-53,共3页 Modern Medicine and Health Research
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