Contrast Spread in the Superoposterior Approach of Transforaminal Epidural Steroid Injections for Lumbosacral Radiculopathy.
Young Cheol JeongChung Ho LeeSeok KangJoon Shik YoonPublished in: Annals of rehabilitation medicine (2017)
In SP TFESI, ventral contrast spread did not guarantee a better effect; however, the extent of cephalic flow in ventral expansion group correlated with the proportion of pain reduction.