冠脉微循环功能障碍动物模型及其评估方法研究进展

    Progress in animal models and evaluation methods of coronary microvascular dysfunction

    • 摘要: 冠状动脉微循环功能障碍(coronary microvascular disfunction, CMD)是缺血伴非阻塞性冠状动脉疾病(ischemia with non-obstructive coronary arteries, INOCA)发生的主要原因之一,建立可靠的CMD动物模型对于CMD机制研究及INOCA疾病诊治至关重要。目前CMD模型动物多采用猪、大鼠等,常用造模方法可分为心肌缺血再灌注模型、微栓塞模型(包括微球法、自体血栓法、化学栓塞法)、代谢综合征模型等。CMD模型评估包括非侵入性检测方法如超声技术、核素显像、心肌磁共振等,与侵入性检测方法如冠脉造影、血流储备分数、冠状动脉血流储备、微循环阻力指数、微球注射法、体外染色等。本文对近十年国内外CMD疾病研究的各类动物模型与评估方法进行综述,归纳总结各种方法的优缺点,为后续研究提供科学参考与理论依据。

       

      Abstract: Coronary microvascular dysfunction (CMD) is one of the main causes of ischemia with non-obstructive coronary artery disease (INOCA), and the establishment of a reliable animal model of CMD is crucial for the study of CMD mechanism and the treatment of INOCA. Currently, most CMD model animals were pigs or rats, and the commonly used modelling methods could be divided into myocardial ischemia/reperfusion model, microembolism model (including microsphere method, autologous thrombus method, chemoembolism method), metabolic syndrome model, etc. The evaluation of CMD model included non-invasive methods such as ultrasound, nuclear imaging, myocardial magnetic resonance, etc., and invasive methods such as coronary artery angiography, blood flow reserve fraction, coronary flow reserve, microcirculatory resistance index, microsphere injection method, and in vitro staining. In this paper, we reviewed the various animal models and assessment methods used in CMD disease research at home and abroad in the past decade, and summarized the pros and cons of each method, thus providing scientific reference and theoretical basis for subsequent research.

       

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