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Efficacy of selective nerve root block as a diagnostic tool in radiculopathic patients
Sae Min Kwon1, Hyoung-Joon Chun2
1Departments of Neurosurgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea, Seoul, Korea
2Department of Neurosurgery, College of Medicine, Hanyang University, Seoul, Korea
Correspondence  Hyoung-Joon Chun ,Tel: 82-2-2290-8492, Fax: 82-2-2281-0954 , Email: tdy815@hanyang.ac.kr
Received: June 24, 2018;  Accepted: July 16, 2018.  Published online: July 16, 2018.
Selective nerve root block (SNRB) is used for the diagnosis and treatment of different spinal disorders. However, the effectiveness of SNRB as a diagnostic tool is unclear. In this study, the efficacy of SNRB as a diagnostic tool for lumbar radiculopathy was evaluated.
A total of 154 patients who underwent surgery for degenerative lumbar spine disease between March 2009 and February 2016 were enrolled in the present study. Patients were divided into two groups (with or without preoperative SNRB). The postoperative outcomes were evaluated using Odom’s criteria at 30 days after surgery. Clinical and radiological findings were compared between the two groups.
Among the 154 patients, 52 (33.8%) were included in the SNRB group. The patients in the SNRB group tended to have improved outcomes after surgery compared with those in the non-SNRB group (p= 0.077). In addition, the proportion of patients with favorable outcomes was significantly greater in the SNRB group (88.5% vs. 72.5%, p= 0.041).
SNRB is an excellent diagnostic tool for evaluating spinal disorders with radicular pain.
Key words: Selective nerve root block; Diagnosis; Radiculopathy
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Related article
Efficacy of Selective Nerve Root Block as a Diagnostic Tool in Radiculopathic Patients  2018 October;4(2)
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