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Medicine
使用肺动脉束带法的右侧心脏重塑和心律失常大鼠模型
使用肺动脉束带法的右侧心脏重塑和心律失常大鼠模型
JoVE Journal
Medicine
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JoVE Journal Medicine
Rat Model of Right-Sided Cardiac Remodeling and Arrhythmia Using Pulmonary Artery Banding

使用肺动脉束带法的右侧心脏重塑和心律失常大鼠模型

Full Text
1,478 Views
10:39 min
August 30, 2024

DOI: 10.3791/67001-v

Charles-Alexandre LeBlanc1, Marie-Ève Higgins1, Martin G. Sirois1,2, Jean-François Tanguay1,3, Jean-Claude Tardif1,3, Roddy Hiram1,3

1Montreal Heart Institute, 2Department of Pharmacology and Physiology,Université de Montréal, 3Department of Medicine, Faculty of Medicine,Université de Montréal

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Please note that some of the translations on this page are AI generated. Click here for the English version.

右心衰竭 (RHF) 的特征是右侧心脏扩张和肥大,导致心室和心房功能障碍。与 RHF 相关的心肺疾病伴随着心律失常的风险增加。本文描述了肺动脉束带诱导的 RHF 与增强的室性和房性心律失常发生相关的标准化模型。

该项目旨在引发严重的右侧心脏重塑,以评估诱导的心肌炎症特征是否与心律失常的易感性有关。肺动脉束弯曲成功导致右心衰竭和导致心律失常(包括心房颤动或 AF)发展的生理变化。大多数可用的诱导炎症体内模型涉及遗传或药物诱导的全身炎症状态。与众所周知的心肌梗死或主动脉缩窄左心病模型不同,缺乏研究专门位于心脏右侧的心律失常和炎症的概念验证。

最近的临床基础研究趋于一致,将炎症指定为大多数 AF 危险因素的重要共同点。此外,右心衰竭患者 AF 的病理生理学知之甚少。我们的方法有助于表征炎症在右心衰竭 AF 发展中的作用与实验性药物诱导的右心衰竭(包括导致肺部炎症的野百合碱方法)相比,我们的方法有助于关注右心衰竭相关炎症,以研究房性和室性心律失常。

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大鼠模型 右心重构 心律失常 肺动脉束带 慢性右心衰竭 右心室压力超负荷 心房炎症 心房纤维化 心房颤动 心肌功能 心律失常发生 肺动脉高压 肥大 扩张

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