Effect of Limaprost in Combination With Transforaminal Epidural Steroid Injection

Inclusion Criteria: Patients aged 18 to 85 years Patients with a new or known diagnosis of lumbar spinal stenosis on Magnetic Resonance Imaging (MRI) Patients scheduled to undergo TFESI due to low back pain or leg pain Exclusion Criteria: Refusal of a patient Coagulopathy Systemic infection or local infection at the needle injection site Patients with lumbar instability Neoplasms in the needle path Allergy to amide-type local anesthetics Decreased cognition to the extent that NRS is incomprehensible Patients with peripheral vascular disease (including peripheral arterial disease) Patients taking anticoagulant or antiplatelet drugs Patients with severe cardiovascular disease or liver or kidney disease Patinets with cerebral infarction Patinets with a history of gastrointestinal bleeding Patinets who have had lumbar spine surgery or are expected to receive it within 12 months Patients who show positive in the straight leg elevation test Patients who are allergic or sensitive to limaprost (Opalmon®) and placebo or their ingredients