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Electrophysiological Methods to Assess Peripheral Pain Block in an Anesthetized Rat

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Published on: November 21, 2025

[Analgesia for wound dressing by continuous peripheral nerve block].

J P Lecoq¹, D Jacquemin, M Lamy

¹Service d'Anesthésie-Réanimation, CHU Sart Tilman, Liège, Belgique. jplecoq@chu.ulg.ac.be

Revue Medicale De Liege

|February 29, 2008

Summary

Continuous peripheral nerve blocks effectively managed chronic pain and improved wound care tolerance in a patient with a venous ulcer. This technique offers favorable pain relief and wound healing benefits.

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Area of Science:

Pain Management
Vascular Surgery
Regenerative Medicine

Background:

Chronic venous ulcers present significant challenges in pain management and wound healing.
Standard analgesics often prove insufficient and cause adverse effects in patients with chronic pain.
Surgical interventions for venous ulcers require effective pain control to ensure patient tolerance and optimize outcomes.

Observation:

A patient with a circumferential venous ulcer experienced severe chronic pain refractory to conventional treatments.
The patient underwent surgical treatment involving continuous aspiration dressing and skin grafting.
A double continuous peripheral nerve block (femoral and sciatic) was implemented to manage pain during wound care.

Findings:

The peripheral nerve block technique provided significant and favorable antalgic results, improving patient tolerance to wound dressing.
The study describes indications and techniques for peripheral nerve blocks, including electrostimulation and echo-guidance.
Literature data on infectious risks associated with catheters near cutaneous wounds were reviewed.

Implications:

Continuous peripheral nerve blocks are a relevant strategy for managing chronic pain associated with complex wounds.
This approach may positively influence wound trophicity and healing processes.
Peripheral nerve blocks offer a promising alternative for improving patient outcomes in vascular surgery and chronic wound care.