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缩小梗塞范围治疗措施

来源:华人健康网 | 发布时间:2010-07-23 19:00:23 | www.chinesejk.com

  目前,缩小梗塞面积的治疗措施主要有:

  (1)最有效的首选措施为及时恢复冠脉血流,即急性心肌梗塞的溶栓治疗,急诊PTCA及急诊冠状动脉搭桥术,可有效地挽救濒死心肌,缩小梗塞范围。

  (2)β受体阻滞剂应用:早期应用β受体阻滞剂,可显著降低心肌耗氧量,改善心肌血流的分布。此外,还可延长心肌舒张期,增加冠状动脉内血液流向损伤区域,以减少或避免造成心肌不可逆性的损伤。

  (3)血管扩张剂应用:如硝酸甘油静滴,通过减轻心脏负荷,改善侧枝循环,改善心肌梗塞时的左室功能,增加心输出量,降低充盈压,解除冠脉痉挛,增加冠脉血流量而缩小梗塞面积。

  上述治疗措施的尽早及合理应用,对于缩小梗塞面积,改善预后具有重要意义。

(编辑:刘一鸣 )

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