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Updated: Oct 12, 2025
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A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
Published on: August 18, 2015
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A Novel Thromboplastin-Based Rat Model of Ischemic Stroke
Irina V Ostrova1, Sergei N Kalabushev1,2, Ivan A Ryzhkov1
1V.A. Negovsky Research Institute of General Reanimatology, Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, 107031 Moscow, Russia.
Brain Sciences
|November 27, 2021
Summary
Researchers developed an affordable rat model for studying thromboembolic stroke. This new method effectively reproduces cerebral infarction, aiding ischemic stroke research.
Area of Science:
- Neuroscience
- Pathology
- Surgical Innovation
Background:
- Thromboembolic stroke models are crucial for understanding human ischemic stroke.
- Existing models often require expensive equipment and extensive surgical time.
Purpose of the Study:
- To develop a novel, cost-effective thromboembolic stroke model in rats.
- To enable reproducible cerebral infarction using affordable tools.
Main Methods:
- Ligation of specific arteries (left common carotid, external carotid, pterygopalatine branch of maxillary).
- Injection of a pre-formed blood clot into the left internal carotid artery.
- Neurological assessment and histological examination at multiple time points post-stroke.
Main Results:
- Consistent reproduction of cerebral infarction in the middle cerebral artery territory.
- Observed motor and behavioral disturbances persisting post-stroke.
- Histological evidence of necrosis and reduced hippocampal pyramidal neuron density.
Conclusions:
- The developed model offers a significantly reduced surgical time and cost.
- It provides a reliable method for inducing cerebral infarction in rats.
- This model is suitable for studying ischemic stroke pathophysiology and potential treatments.
