摘要心脏瓣膜置换术患者23例,冷晶体停搏液组(CCC组)11例和血液停搏液组(BCP组)12例。转机前、升主动脉开放后2、6、12、24 h取两组动脉血各2 m l,查血肌酸磷酸激酶同工酶(CK-M B)、肌钙蛋白I(cT n I)水平。认为同时检测CK-M B和cT n I能够客观评价体外循环心内直视手术后的心肌损伤程度。
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