Selective Nerve Root Injections Can Predict Surgical Outcome for Lumbar and Cervical Radiculopathy: A Retrospective Review with Comparison to Magnetic Resonance Imaging
نویسندگان
چکیده
Methods: A group of patients who had cervical or lumbar surgery with preoperative discrepancies between presenting exam and radiological imagery underwent selective nerve root injections prior to surgery. Strict criteria were adhered to in performing the SNIs, including use of fluoroscopy with contrast, nerve stimulation, concordance of stimulation and limited volume of local anesthetic. The SNI was considered a positive test if >90% pain relief occurred. Evidence used to support a positive SNI response included concordance, if any, of nerve stimulation, reduced anxiety levels due to the abolition of pain, and absence of overt pain behavior.
منابع مشابه
Selective nerve root injections can predict surgical outcome for lumbar and cervical radiculopathy: comparison to magnetic resonance imaging.
OBJECTIVE Diagnostic selective nerve root injection (SNI) results were analyzed in 101 patients who underwent lumbar or cervical decompression for radiculopathy and compared to surgical outcome 1 year postoperatively. A comparison of surgical outcomes was also examined between magnetic resonance imaging (MRI) and SNI results. RESULTS Of the 101 patients, 91 (90%) had positive and 10 had negat...
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