201
Participants
Start Date
July 31, 2013
Primary Completion Date
June 30, 2014
Study Completion Date
July 31, 2014
anteroposterior approach group
anteroposterior approach group (n=104): check intravascular injection while performing S1 transforaminal epidural steroid injection in anteroposterior view under fluoroscopy
oblique approach group
oblique approach group (n=104): same as anteroposterior approach group except using oblique view
Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul
Yonsei University
OTHER