目的應(yīng)用彩色室壁運(yùn)動(dòng)（CK）技術(shù)測(cè)定二尖瓣瓣環(huán)的位移,定量評(píng)價(jià)左心室收縮功能。方法應(yīng)用彩色室壁運(yùn)動(dòng)技術(shù)（CK）檢測(cè)26例健康對(duì)照組（Con組）和25例擴(kuò)張型心肌病組（DCM組）心尖四腔觀及兩腔觀二尖瓣環(huán)各壁的位移,并用Simpsons法測(cè)定左室射血分?jǐn)?shù)。結(jié)果Con組CK圖像由心底向心尖部依次顯示橙→黃→綠→青→藍(lán)相交替,均勻分布,DCM組則彩帶明顯變窄或彩帶顏色顯示不完整;CK測(cè)量的DCM組二尖瓣環(huán)各壁收縮期位移較Con組明顯降低（P<0.01）,且均與左室射血分?jǐn)?shù)之間有高度相關(guān)（r=0.81～0.87,P<0.01）。結(jié)論CK技術(shù)測(cè)定二尖瓣瓣環(huán)位移可作為一種簡(jiǎn)單、快速和無(wú)創(chuàng)性評(píng)價(jià)左室收縮功能的新方法。 

【文章來(lái)源】：中國(guó)超聲醫(yī)學(xué)雜志. 2009,25(10)北大核心CSCD

【文章頁(yè)數(shù)】：4 頁(yè)

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