Nerve hydrodissection (HD), a technique used when treating nerve entrap-ments, involves the injection of an anesthetic, saline, or 5% dextrose in water to separate the nerve from the surrounding tissue, fascia, or adjacent structures. Animal models suggest the potential for minimal compression to initiate and perpetuate neuro-pathic pain. Mechanical benefits of HD may relate to release of nervi nervorum or vasa nervorum compression. Pathologic nerves can be identified by examination or ultrasound visualization. The in-plane technique is the predominant and safest method for nerve HD. Five percent dextrose may be favored as the preferred injectate based on preliminary comparative-injectate literature, but additional research is critical. Literature-based hypotheses for a direct ameliorative effect of dextrose HD on neuro-pathic pain are presented.
CITATION STYLE
Lam, K. H. S., Hung, C. Y., Chiang, Y. P., Onishi, K., Su, D. C. J., Clark, T. B., & Reeves, K. D. (2020). Ultrasound-guided nerve hydrodissection for pain management: Rationale, methods, current literature, and theoretical mechanisms. Journal of Pain Research. Dove Medical Press Ltd. https://doi.org/10.2147/JPR.S247208
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