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急性冠脉综合征早期静脉应用美托洛尔对心肌标志物和心功能的影响 被引量:8

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摘要 目的探讨急性冠脉综合征(ACS)患者早期静脉注射美托洛尔对心肌损伤标志物和心功能的影响。方法 2004年1月—2004年12月确诊的发病在12h内的ACS患者72例,随机分为两组。治疗组于入院后立即静脉注射美托洛尔5mg,连续3次,之后继续口服美托洛尔片剂。对照组给予常规治疗。两组均测定入院时及发病12h、24h、48h、96h的心肌肌钙蛋白I(cTnI)和肌酸激酶同工酶(CK-MB)及168h的cTnI。两组在发病后2周及4周时应用彩色多普勒超声心动图仪测定左心室收缩末容积(LVESV)和左心室舒张末容积(LVEDV),计算左室射血分数(LVEF)。结果治疗组在发病12h、24h的cTnI及12h的CK-MB水平均较对照组明显下降(P<0.05)。治疗组4周时的LVESV较对照组显著减少(P<0.05)。发病12h时cTnI与CK-MB水平与LVEF呈显著负相关,相关系数分别为-0.316(P<0.01)、-0.251(P<0.05)。结论 ACS早期注射美托洛尔可以减少cTnI和CK-MB的释放,改善近期预后,而且LVEF与发病12h的cTnI及CK-MB水平呈显著负相关。
出处 《中西医结合心脑血管病杂志》 2010年第12期1438-1440,共3页 Chinese Journal of Integrative Medicine on Cardio-Cerebrovascular Disease
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