Establishment of a Rat Model of Superior Sagittal-Sinus Occlusion via a Thread-Embolism Method

作者： Weiyan Jiang*1, Congcong Jin*2, Weiming Xu*3, Yingxian Li4, Yinghong Lin5, Shengxiang Liang6,7, Wei Wang8 1Department of Clinical Laboratory,the Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, 2Rehabilitation Department,Wenzhou Hospital of Integrated Traditional Chinese and Western Medicine, 3Department of Neurosurgery,the Hospital of Changle, 4Pediatrics Ward 2,Shouguang Hospital of Traditional Chinese Medicine, 5Fujian University of Traditional Chinese Medicine, 6National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology,Fujian University of Traditional Chinese Medicine, 7Rehabilitation Industry Institute,Fujian University of Traditional Chinese Medicine, 8Department of Neurosurgery,the First Affiliated Hospital of Wenzhou Medical University

简介：

Overview

This study establishes a novel Sprague-Dawley rat model of superior sagittal sinus thrombosis (SSS) using a thread-embolization method. The model's stability and reliability were confirmed, addressing the limitations in studying cerebral venous sinus thrombosis (CVST).

Key Study Components

Area of Science

• Neuroanatomy
• Animal models
• Thrombosis research

Background

• Cerebral venous sinus thrombosis (CVST) lacks effective animal models.
• The study introduces a new reliable rat model to facilitate research.
• This model minimizes uncontrolled variables common in clinical settings.
• Thread-embolization presents a standardized approach for inducing SSS thrombosis.

Purpose of Study

• To develop a stable animal model for CVST research.
• To provide a method that allows for controlled experimentation on SSS thrombosis.
• To facilitate investigations into the dynamics of blood flow before and after embolization.

Methods Used

• The study employs a Sprague-Dawley rat model.
• Thread-embolization is performed centripetally to induce thrombosis in the SSS.
• The procedure includes anesthetic administration and surgical exposure of the skull.
• Key steps involve precise insertion of a thread probe and subsequent imaging via MRI.

Main Results

• The thread probe successfully embolizes the SSS, showing a significant decrease in blood flow.
• Images capture the dynamics of blood flow post-embolization, validating the model's effectiveness.
• The model proves to be low-trauma and allows for accurate timing and location control.
• Results indicate potential for further research into treatment and interventions for CVST.

Conclusions

• The study introduces a new, reliable model for CVST that can enhance research capabilities.
• This model allows for detailed investigation of thrombosis mechanisms and consequences.
• Implications extend to improving understanding of vascular diseases and treatment options.

Frequently Asked Questions