Transition from Deep Regional Blocks toward Deep Nerve Hydrodissection in the Upper Body and Torso: Method Description and Results from a Retrospective Chart Review of the Analgesic Effect of 5% Dextrose Water as the Primary Hydrodissection Injectate to Enhance Safety

Figure 18

(a) Procedure for C6 nerve root hydrodissection: position one. Hydrodissection while approaching the C6 nerve root. (b) Procedure for C6 nerve root hydrodissection: position two. Needle positioning for hydrodissection dorsal to the C6 nerve root. (c) Procedure for C6 nerve root hydrodissection: position three. Needle positioning for hydrodissection ventral to the C6 nerve root. (d) Procedure for C6 nerve root hydrodissection: visualization of the injectate. The image shows the anechoic injectate after C6 nerve root hydrodissection.

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