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缺血后适应对急性心肌梗死介入治疗的影响 被引量:4

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摘要 目的研究缺血后适应对急性心肌梗死(AMI)患者急诊介入治疗后心肌梗死面积、心肌灌注和心功能的影响。方法选取12h内接受急诊经皮冠状动脉介入治疗(PCI)的急性心肌梗死患者122例,随机分入对照组(n=87)和(缺血)后适应组(n=35)。各例接受急诊PCI治疗。对照组梗死相关血管再通后不施加干预;缺血后适应组梗死相关血管再通后1min内应用低气压充盈和回撤球囊反复3次,每一过程各30s,术后测定血肌酸磷酸激酶(CK)、肌酸磷酸激酶同工酶(CK-MB)、Fas/FasL、ST回落率,校正TIMI帧数(CTFC)。术后6个月行单光子发射计算机断层显像(SPECT)检查。结果后适应组CK、CK-MB峰值明显低于对照组〔(1179±992)U/Lvs(1643±1021)U/L;(120±76)U/Lvs(160±88)U/L;P<0.05)〕;后适应组FasL峰值明显低于对照组〔(3587.8±231.5)pg/mlvs(4412.4±105.7)pg/ml,P<0.05)〕;sFas水平介入后24h开始较对照组显著下降(P<0.05),且持续至7d(P<0.05)。后适应组CTFC明显快于对照组(26.7±11.2vs31.4±9.5,P<0.05),术后ST回落>50%发生率明显高于对照组(74.3%vs54.0%)。术后6个月行SPECT检查,后适应组静息-再分布指数明显下降〔(10.8±9.6)%vs(18.5±12.8)%,P<0.05〕。结论缺血后适应可以减低AMI患者心肌损伤、细胞凋亡、改善心肌灌注和缩小梗死面积。
作者 马燚 尚小明
出处 《中国老年学杂志》 CAS CSCD 北大核心 2010年第16期2265-2267,共3页 Chinese Journal of Gerontology
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参考文献16

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共引文献40

同被引文献52

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