Lumbosacral transforaminal epidural steroid injection (TFESI) is helpful for the treatment of lumbosacral radicular pain, but in case of intravascular injection, infrequently serious complication can be developed. Against this backdrop, if there is any difference of frequency of intravascular injection incidence during S1 (sacrum 1) TFESI between method using medial approach and method using lateral approach in anteroposterior view, the result can be crucial factor in selecting the approach. In addition, appropriate volume of injection will be checked in each approach.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
SINGLE
Enrollment
165
medial approach group (n=85): check intravascular injection while performing S1 transforaminal epidural steroid(dexamethasone) injection in medial side of S1 foramen under fluoroscopy lateral approach group (n=85): same as medial approach group except using lateral side of S1 foramen
Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University College of Medicine
Seoul, South Korea
the incidence of intravascular injection in the medial approach group in S1 foramen
Time frame: 5 seconds after injection of contrast media via block needle.
the incidence of intravascular injection in the lateral approach group in S1 foramen
Time frame: 5 seconds after injection of contrast media via block needle.
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