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基于三维超声与组织多普勒技术对慢性肾脏病右心房容积及右心功能的评价 被引量:5

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摘要 目的:应用全容积三维超声(FV3DE)与组织多普勒技术(TDI)评价慢性肾脏病(CKD)患者右心房容积及右心功能。方法:CKD患者60例,将CKD1-3期定为Ia组,CKD4-5期定为Ib组;正常对照组(Ⅱ组)30例。应用TDI技术测量右室游离壁三尖瓣环收缩期峰值速度(Sm)、舒张早期峰值速度(Em)及舒张晚期峰值速度(Am),计算Em/Am。应用FV3DE技术测量CKD患者及30例对照组的右心房的最小容积(RAVmin)、最大容积(RAVmax)及收缩前容积(RAVp),计算右房存储容积(RARV)、右房主动收缩排空容积(RAVae)、右房射血分数(RAEF)、右房被动排空容积分数(RAVpef)。结果:与Ⅱ组比较,CKD组RARV、RAVae显著增加,RAVpef、Em降低,Em/Am〈1;Ib组Sm有明显减退(P〈0.05);RAEF及Ia组Sm差异无统计学意义(P〉0.05);RAVae与Em/Am呈现良好相关性。结论:CKD患者储存器及助力泵功能增强,管道功能减低。CKD组患者早期就存在右室舒张功能障碍,Ia组收缩功能无明显减退,Ib组收缩功能亦出现减退。
出处 《中国中西医结合肾病杂志》 2015年第10期900-902,I0003,共4页 Chinese Journal of Integrated Traditional and Western Nephrology
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