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Abstract

Neuroscience

用于缺血和复苏期间脑成像和脑生理学监测的小鼠心脏骤停模型

Published: April 14th, 2023

DOI:

10.3791/65340

1Multidisciplinary Brain Protection Program, Department of Anesthesiology, Duke University Medical Center, 2Department of Biomedical Engineering, Duke University, 3Department of Anesthesiology and Pain Management, UT Southwestern University Medical Center

Abstract

大多数心脏骤停 (CA) 幸存者会出现不同程度的神经功能缺损。为了了解支撑 CA 诱导的脑损伤的机制并随后开发有效的治疗方法,实验性 CA 研究至关重要。为此,已经建立了一些小鼠CA模型。在大多数这些模型中,将小鼠置于仰卧位,以便进行胸外按压以进行心肺复苏(CPR)。然而,这种复苏程序使得 CA 和复苏期间大脑生理学的实时成像/监测具有挑战性。为了获得这些关键知识,本方案提出了一种不需要胸外按压CPR步骤的小鼠窒息CA模型。该模型可以研究血流、血管结构、电位和脑组织氧的动态变化,从 CA 前基线到 CA 再灌注后早期。重要的是,该模型适用于老年小鼠。因此,该小鼠CA模型有望成为破译CA对大脑生理学影响的关键工具。

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