目的 應(yīng)用凝血彈性圖(thrombelastograghy,TEG)監(jiān)測(cè)原位肝移植術(shù)中患者的凝血功能,指導(dǎo)術(shù)中凝血功能的診斷及用藥。方法25例肝移植患者按原發(fā)疾病分成兩組,肝硬變組15例,肝癌組10例,接受原位肝移植術(shù),無(wú)肝期體外靜脈靜脈轉(zhuǎn)流。兩組患者分別于術(shù)前、無(wú)肝期前(手術(shù)開(kāi)始后120 min)、無(wú)肝期后30 min、新肝期前5 min和新肝期后5 min、15 min、30 min、60 min及120 min 9個(gè)時(shí)點(diǎn),分別觀察硅燥土激活的全血TEG的參數(shù)改變,即反映第一塊纖維蛋白凝塊形成的時(shí)間(r), 血凝塊強(qiáng)度達(dá)到20 mm振幅的時(shí)間(K), 纖維蛋白和血凝塊加固速度(α),以及纖維蛋白凝塊最終強(qiáng)度(MA)。25例中有8例于新肝期后5 min同時(shí)觀察了肝素酶修正后的TEG的變化。結(jié)果肝硬變組TEG值4項(xiàng)參數(shù)的變化主要發(fā)生在無(wú)肝期和新肝早期,肝腫瘤組TEG值4項(xiàng)參數(shù)的變化均在新肝期后5 min、15 min、30 min及60 min。與術(shù)前值相比,兩組TEG值均表現(xiàn)為r與K延長(zhǎng),α與MA減?。≒<0.05,P<0.01)。其中8例新肝期后5 min,有肝素酶與無(wú)肝素酶的全血TEG值差異亦有顯著性意義(P<0.01),后者的r和K明顯延長(zhǎng),α和MA明顯減?。?后者經(jīng)靜脈注射魚(yú)精蛋白50~75 mg后,兩組TEG值差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05)。結(jié)論原位肝移植術(shù)中的凝血紊亂主要發(fā)生在無(wú)肝期及新肝早期,肝素酶修正后的全血TEG可提示新肝期體內(nèi)存在肝素化效應(yīng),需用魚(yú)精蛋白拮抗。
引用本文: 王曉,羅朝志,王健,文天夫,盧實(shí)春,李波,嚴(yán)律南. 凝血彈性圖應(yīng)用于同種原位肝移植術(shù)中凝血功能的評(píng)價(jià). 中國(guó)普外基礎(chǔ)與臨床雜志, 2003, 10(3): 260-262. doi: 復(fù)制
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