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Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia

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Related Experiment Video

Updated: Sep 12, 2025

Author Spotlight: Ultrasound-Guided Needle Release Combined with Corticosteroid Injection for the Treatment of Supinator Syndrome

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Ultrasound-Guided Nerve Hydrodissection for Peripheral Entrapment Neuropathies.

Berdale Colorado¹, Darien McNeill¹, John Norbury²

¹Department of Physical Medicine and Rehabilitation, University of Alabama at Birmingham, Birmingham, Alabama, USA.

|August 6, 2025

Summary

This summary is machine-generated.

Ultrasound-guided nerve hydrodissection uses fluid to separate nerves from surrounding tissue, offering an alternative to surgery for peripheral nerve entrapment. This technique can improve nerve function and alleviate symptoms when conservative treatments fail.

Keywords:

entrapment neuropathy mononeuropathy nerve hydrodissection neuropathic pain ultrasound

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Last Updated: Sep 12, 2025

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Area of Science:

Neurology
Interventional Radiology
Pain Management

Background:

Peripheral entrapment neuropathies cause significant symptoms.
Conservative treatments often fail to provide relief.
Surgical intervention carries risks and may be preceded by less invasive options.

Purpose of the Study:

To review ultrasound-guided nerve hydrodissection for peripheral entrapment neuropathies.
To discuss injectate choices, needle tracking, and current evidence.
To explore applications in carpal tunnel syndrome and other neuropathies.

Main Methods:

Ultrasound guidance for precise needle placement.
Hydrodissection using various injectates to separate nerves.
Targeting the site of nerve entrapment distal to maximum cross-sectional area.

Main Results:

Hydrodissection may improve nervi nervorum and vasa nervorum function.
It serves as an option after conservative measures fail and before surgery.
It can address post-surgical entrapment due to scar tissue.

Conclusions:

Ultrasound-guided nerve hydrodissection is a viable option for select peripheral neuropathies.
Dextrose 5% in water (D5W) may be a preferred injectate when corticosteroids are not used.
Further research is needed to optimize injectate volume and patient selection.