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 19

Procedure for paravertebral hydrodissection: cross-sectional anatomy. The red dashed triangle is an approximation of the paravertebral space.