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KMID : 1001920140560040338
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Journal of Korean Neurosurgical Society
2014 Volume.56 No. 4 p.338 ~ p.343
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The Effectiveness of Endoscopic Radiofrequency Denervation of Medial Branch for Treatment of Chronic Low Back Pain
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Jeong Sun-Yoon
Kim Jin-Sung
Choi Won-Suh
Hur Jung-Woo
Ryu Kyoung-Sik
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Abstract
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Objective: The aim of this study is to evaluate the clinical results of endoscopic radiofrequency ablation of medial branch in patients with chronic low back pain originating from facet joints.
Methods: Between October 2010 and December 2013, 52 consecutive patients had suffering from chronic low back pain had undergone endoscopic radiofrequency denervation of medial branch of dorsal ramus. The clinical outcomes of these 52 patients were reviewed retrospectively. Preoperative and postoperative Visual Analogue Scale (VAS) and Korean version of Oswestry Disability Index (K-ODI), and patients’ satisfaction with the procedure were assessed.
Results: The pain scores on the VAS for back pain had improved significantly from a preoperative mean of 7.1 to a postoperative mean of 2 at the last follow-up (p<0.001). The clinical outcomes based on the K-ODI had also improved significantly from a preoperative mean of 26.5% to postoperative mean of 7.7% at the last follow-up (p<0.001). 80% of patients were satisfied with the procedure. There were no complications associated with the procedure.
Conclusion: Our preliminary results demonstrate that endoscopic radiofrequency denervation of medial branch could be an effective alternative treatment modality for chronic back pain originating from facet joints that provides long-term pain relief.
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KEYWORD
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Endoscopic radiofrequency, Chronic low back pain, Facet joint, Medial branch
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