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组织追踪成像技术与定量组织速度成像技术评价风湿性二尖瓣病变患者左心室局部功能的研究——附43例报告

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摘要 目的:探讨组织追踪成像(tissue tracking imaging,TTI)技术及定量组织速度成像(quantitative tissue velocity imaging,QTVI)技术定量分析风湿性二尖瓣病变(rheumatic mitral valve disease,RMVD)左心室局部功能的价值。方法:使用美国GEVivid7型彩色超声诊断仪,应用TTI和QTVI技术对43例RMVD患者(RMVD组)、30名健康人(对照组)的左心室局部功能进行定量分析。结果:RMVD组左心室前壁、下壁、侧壁、后壁、前间隔、后间隔的收缩期峰值速度、舒张早期峰值速度、舒张末期峰值速度、收缩期纵轴方向心肌组织峰值位移较对照组减低(均为P<0.05)。结论:RMVD患者左心室局部节段心肌功能有不同程度减低。QTVI及TTI技术能够反映风湿性二尖瓣病变患者左心室局部功能的改变。
出处 《新医学》 2009年第3期164-165,共2页 Journal of New Medicine
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