A Modified Method for Intrathecal Catheterization in Rats

作者： Lijun Yin1,2, Quan Zhou3, Wenwu Liu4, Lize Xiong1, Hui Chen1 1Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine, Translational Research Institute of Brain and Brain-Like Intelligence, Department of Anesthesiology and Perioperative Medicine, Shanghai Fourth People's Hospital, School of Medicine,Tongji University, 2Department of Anesthesiology,Women and Children's Hospital of Ningbo University, 3Department of Naval Diving Medicine, Naval Medical Center,Naval Medical University, 4Department of Diving and Hyperbaric Medicine, Naval Medical Center,Naval Medical University

简介：

Overview

This article presents a modified method for intrathecal catheterization in rats, offering a simple and reliable approach for repetitive drug administration. The technique addresses limitations of traditional methods, enhancing the feasibility of animal experiments in neuropathic pain research.

Key Study Components

Area of Science

• Neuroscience
• Pharmacology
• Animal Surgery

Background

• Intrathecal catheterization is crucial for studying neuropathic pain.
• Traditional methods have several limitations that hinder their effectiveness.
• There is a need for improved techniques to facilitate drug administration in animal models.
• This study introduces a modified approach to overcome these challenges.

Purpose of Study

• To develop a more efficient method for intrathecal catheterization in rats.
• To ensure reliable and repetitive drug administration for research purposes.
• To enhance the overall success rate of catheterization procedures.

Methods Used

• Preparation of a PE10 tube and stainless steel wire for support.
• Use of a modified 22G needle for catheterization.
• Surgical procedures including anesthesia and sterilization of instruments.
• Insertion of the catheter into the spinal canal with careful monitoring.

Main Results

• The modified method allows for successful catheterization with minimal complications.
• Post-surgical monitoring confirmed effective drug delivery.
• Lower limb paralysis after lidocaine injection indicated successful catheter placement.
• The technique proved to be reliable for repetitive drug administration.

Conclusions

• The modified intrathecal catheterization method is effective and reliable.
• This approach can significantly improve research outcomes in neuropathic pain studies.
• Further validation of the technique may enhance its adoption in various experimental settings.

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