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  • Title: The effects of repetitive compression on nerve conduction and blood flow in the rabbit sciatic nerve.
    Author: Yoshii Y, Nishiura Y, Terui N, Hara Y, Saijilafu, Ochiai N.
    Journal: J Hand Surg Eur Vol; 2010 May; 35(4):269-78. PubMed ID: 20444785.
    Abstract:
    The objective of this study was to clarify the effect of repetitive compression on nerve physiology in an experimental rabbit model. We defined 80 mmHg as a compression force which caused temporary disturbance of nerve conduction and blood flow with a brief compression. The following compressions were applied for 30 minutes to rabbit sciatic nerves: continuous compression, low frequency release compression (1 second of release time every 30 seconds) and high frequency release compression (1 second of release time every 10 seconds). Compound nerve action potentials and nerve blood flow were evaluated from the start of compression until 30 minutes after release. Endoneurial microvascular permeability was evaluated with Evans Blue albumin. The repetitive compression groups showed delay in recovery of compound nerve action potentials and blood flow after release, with endoneurial oedema. These findings suggest that repetitive compression may increase the risk of breakdown of the blood nerve barrier.
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