Research Article

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 15

Procedure for cervical nerve root hydrodissection: gross anatomy. Gross anatomy and probe and needle directions for supraclavicular brachial plexus hydrodissection. The probe position is indicated by the white rectangle.