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  • Title: Microscissor DREZotomy for post brachial plexus avulsion neuralgia: A single center experience.
    Author: Doddamani RS, Garg S, Agrawal D, Meena RK, Sawarkar D, Singh PK, Verma S, Chandra SP.
    Journal: Clin Neurol Neurosurg; 2021 Sep; 208():106840. PubMed ID: 34418706.
    Abstract:
    INTRODUCTION: Brachial neuralgia is a dreaded sequelae which substantially impairs the quality of life in patients with brachial plexus avulsion (BPA) injuries. Dorsal Root Entry Zone (DREZ) lesioning of the cervical spinal cord is the most utilized procedure for alleviating this painful condition. In this study, we share a single center experience of surgically managing post BPA neuropathic pain. The efficacy, results and complications of the modified technique of DREZ, called the Microscissor DREZotomy (MDZ) are discussed along with the review of relevant literature. METHODS: This retrospective analysis included all the patients undergoing MDZ for post BPA brachialgia over 5 years period (2012-2018) at our institution. The pain was quantified using the Numeric rating Scale (NRS) between 0 and 10 scale and was graded as 'Excellent' in patients with more than 75% pain relief, 'Good' with 50-75% relief, 'Fair' between 25% and 50% and 'Poor' if less than 25%. RESULTS: A total of 56 patients underwent MDZ and a mean follow up of 32 months (range 18-69 months) available for 47 patients. Thirty three patients (70.4%) judged pain relief as Excellent, Five (10.6%) as Good, 3 (7%) as Fair and 6 (12%) having poor pain relief. Overall, in 38 (81%) patients long term analgesic effect (> 50%) was noted and 3 (7%) patients had more than 25% pain relief, making up an overall 41 (87%) of patients with some relief from pain. CONCLUSION: MDZ is a safe, efficacious technique with good long term pain relief and quality of life. This technique entails utilization of routine surgical instruments and can be performed with ease even in resource limited settings.
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