负荷斑点追踪评价心脏再同步化治疗响应的价值

Chinese Journal of Ultrasound in Medicine(2016)

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Abstract
目的 对心力衰竭患者分别检测负荷超声试验和静息超声的斑点追踪的同步性参数,比较其评价心脏再同步化治疗(CRT)响应.方法 32例心力衰竭患者拟行同步化起搏器植入,CRT术前行负荷超声心动图试验,利用斑点追踪法检测左室短轴前间隔与后壁径向应变和四腔心切面各个节段横向应变峰值延迟最大时间差值(RS和TS);CRT术后复查超声心动图检测心力衰竭患者的CRT响应.结果 CRT响应组与CRT无响应组比较:静息超声RS (212±81) ms VS (147±62) ms (P=0.032)、TS (219±84) msVS (160±63) ms (P=0.044);负荷超声试验后RS (230±74) ms VS (144±62) ms (P=0.004)、TS (233±74) ms VS(155±65) ms(P=0.008).结论 负荷超声斑点追踪法检测的同步性参数是预测心力衰竭患者CRT响应的有效指标,优于静息状态下的参数.
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Key words
Speckle-tracking echocardiographic image,Stress echocardiography,Synchrony,Heart failure
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