Dorsal root entry zone lesion: nuances of the technique and long-term results.

Neurosurg Focus Video

Department of Neurosurgery, Ospedale Santa Maria della Misericordia, Rovigo, Italy.

Published: October 2020

The treatment of deafferentation pain is a primary goal of a referral center for peripheral nerve surgery. DREZ is an important asset in the neurosurgeon's armamentarium. The surgical technique and long-term results are analyzed in two series, with or without intraoperative monitoring (IOM). DREZotomy is highly effective in lumbar root avulsive injuries but is ineffective in resolving pain due to spinal cord injuries. Cervical DREZotomy for cancer pain is not superior to intrathecal morphine. In brachial plexus avulsive injuries, the largest series shows a 74% success rate, but the efficacy of the procedure is lost over time. No relevant difference has been observed since the introduction of IOM. The video can be found here: https://youtu.be/uG_kkQj5m1U.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9542238PMC
http://dx.doi.org/10.3171/2020.7.FOCVID2031DOI Listing

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