Detection of Intravascular Injection During Lumbar Medial Branch Blocks: A Comparison of Aspiration, Live Fluoroscopy, and Digital Subtraction Technology.

Kennedy DJ, Mattie R, Scott Hamilton A, Conrad B, Smuck M. Detection of Intravascular Injection During Lumbar Medial Branch Blocks: A Comparison of Aspiration, Live Fluoroscopy, and Digital Subtraction Technology. Pain medicine (Malden, Mass.). 2016 Jun;17(17). 1031-1036. PMID: 26814308 [PubMed]

Abstract

Medial branch blocks may have unrecognized vascular uptake potentially resulting in false- negative results.