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 13

(a) Procedure for supraclavicular brachial plexus hydrodissection: first position. Needle positioning for hydrodissection of the bottom of the supraclavicular brachial plexus. (b) Procedure for supraclavicular brachial plexus hydrodissection: second position. Needle positioning for hydrodissection of the top of the supraclavicular brachial plexus. (c) Procedure for supraclavicular brachial plexus hydrodissection: third position. Needle positioning for hydrodissection of the middle of the supraclavicular brachial plexus. (d) Procedure for supraclavicular brachial plexus hydrodissection: visualization of the injectate. The image shows the anechoic injectate.

(a)

(b)

(c)

(d)