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相关实验视频

Updated: Jun 23, 2026

Myocardial Infarction and Functional Outcome Assessment in Pigs
12:03

Myocardial Infarction and Functional Outcome Assessment in Pigs

Published on: April 25, 2014

外体心脏冲击波疗法显著改善缺血诱导的肌肉心脏功能障碍在猪体内活体.

Takahiro Nishida1, Hiroaki Shimokawa, Keiji Oi

  • 1Department of Cardiovascular Medicine, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan.

Circulation
|November 3, 2004
PubMed
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体外心脏冲击波 (SW) 疗法通过增强血液流动和心脏功能来有效治疗缺血性心脏病. 这种非侵入性治疗促进了血管新生,为预后不佳的患者提供了有前途的新治疗策略.

科学领域:

  • 心血管研究研究心血管研究
  • 再生医学是一种再生医学.
  • 生物医学工程 生物医学工程

背景情况:

  • 缺血性心肌病的预后很差,因为有效的治疗方法有限.
  • 开发用于增强血管生成的非侵入性疗法对于治疗心脏病至关重要.
  • 外体冲击波 (SW) 疗法正在探索其促进新血管生长的潜力.

研究的目的:

  • 调查体外SW疗法的体外和体内效应.
  • 为了确定SW疗法是否可以增强缺血性心脏组织中的血管生成.
  • 评估SW疗法作为缺血性心肌病的非侵入性治疗方法.

主要方法:

  • 在体外:培养的人类静脉内皮细胞用SW治疗,以评估血管内皮生长因子 (VEGF) 和Flt-1表达.
  • 在体内: 猪模型的慢性心肌缺血是建立使用一个ameroid约束器.
  • 在8头猪的缺血性心肌中,施用了SW疗法 (200针/点对9个点0.09mJ/mm2).

主要成果:

  • 在实验室内,SW治疗提高了内皮细胞中VEGF和Flt-1mRNA的表达.
  • 在猪模型中,SW疗法在4周内显著改善了左心室喷射率,壁厚度和心肌缺血区域的心肌血流量 (P<0.01).
  • 对照动物表现出持续的心肌功能障碍和血流减少;SW治疗也在体内增加了VEGF表达,没有并发症.

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Last Updated: Jun 23, 2026

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结论:

  • 在缺血性心脏病模型中,体外心脏SW疗法在改善心脏功能和血液流动方面表现出有效性.
  • SW疗法促进血管新生,由VEGF表达的增加证明.
  • 这种非侵入性方法代表了对缺血性心脏病的有前途的治疗策略.