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Related Experiment Video

Updated: Jul 4, 2026

Efficacy of Fu's Subcutaneous Needling on Sciatic Nerve Pain: Behavioral and Electrophysiological Changes in a Chronic Constriction Injury Rat Model

Efficacy of Fu's Subcutaneous Needling on Sciatic Nerve Pain: Behavioral and Electrophysiological Changes in a Chronic Constriction Injury Rat Model

Published on: June 30, 2023

[Ultrasound-guided sciatic nerve block].

Junichi Ota¹, Kaoru Hara

¹Department of Anesthesiology, Shimane University Faculty of Medicine, Izumo 693-8501.

Masui. the Japanese Journal of Anesthesiology

|June 4, 2008

Summary

Ultrasound guidance improves the reliability and safety of sciatic nerve blocks for lower limb surgery anesthesia and analgesia. This article details anatomy, sonographic features, and techniques for three common approaches.

Area of Science:

Anesthesiology
Anatomy
Medical Imaging

Background:

Sciatic nerve blocks are crucial for lower limb anesthesia and analgesia.
Traditional landmark-based techniques present technical challenges and limit clinical application.
Ultrasound technology offers improved visualization for peripheral nerve blocks.

Purpose of the Study:

To describe the anatomy and sonographic features of the sciatic nerve.
To detail ultrasound-guided techniques for subgluteal, anterior, and popliteal sciatic nerve block approaches.
To discuss the application of ultrasound-guided sciatic nerve blocks for postoperative analgesia.

Main Methods:

Anatomical review of the sciatic nerve.
Description of sonographic visualization of the sciatic nerve and surrounding structures.

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Detailed procedural steps for three ultrasound-guided approaches: subgluteal, anterior, and popliteal.

Main Results:

Ultrasound guidance enhances visualization, potentially increasing block success and safety.
Three distinct ultrasound-guided approaches (subgluteal, anterior, popliteal) are described.
The technique facilitates reliable sciatic nerve block placement for surgical anesthesia and postoperative pain management.

Conclusions:

Ultrasound-guided sciatic nerve block is a reliable and safe technique for lower limb anesthesia and analgesia.
The described approaches provide a practical framework for clinicians.
This technique holds significant potential for improving patient outcomes in lower limb surgery.