Abstract
ABSTRACTObjective: To investigate whether repeat lumbar percutaneous radiofrequency facet joint denervation [RFJD] is an efficacious ongoing treatment for chronic low back pain [LBP] using the Low Back Outcome Score [LBOS] and subjective measures of patient satisfaction.Methods: A prospective open-label, single intervention study was carried out on a consecutive series of patients undergoing repeat lumbar RFJD performed by a single operator in 2007. Patients with an initially successful RFJD procedure were selected for the study excluding patients with greater than four procedures in total. Lumbar medial branch neurotomy was conducted using a 20-gauge silicone-coated probe inserted under fluoroscopic control and neuroleptic intravenous sedation with radiofrequency thermal energy applied for 90 seconds per joint at a maximum probe tip temperature of 90°C. The patients completed a LBOS questionnaire before and 12 months following the repeat RFJD procedure. They were also asked about their satisfaction with ...
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