Fluoroscopic Guided Lumbar Interlaminar Epidural injections:A Prospective Evaluation of Epidurography Contrast Patternsand Anatomical Review of the Epidural Space

Abstract

Thirty six percent of the injections observed in the study revealed ventral contrast flow. Bilateral contrast flow occurred in 16% of the injections. Caudad contrast flow is less than cephalad. The observed contrast flows need to be studied clinically to determine if this can affect clinical outcome.