• Olav Rohof and Chen Chee Kean CK Department of Anesthesiology and Intensive Care, KPJ Kuching Specialist Hospital, Lot 10420, Block 11, Tabuan Stutong Commercial Centre, Jalan Setia Raj.
• Orbis Medical Center (Zuyderland Hospital), Sittard Geleen Heerlen, The Netherlands.
• Scand J Pain. 2018 Oct 25; 18 (4): 747-753.

AbstractBackground and aims The evidence for interventional treatment of thoracic facet joint pain remains limited. This is partly due to inconsistency of the path of thoracic medial branches and a lower incidence of thoracic facet pain among spine pain patients. The purpose of this study is to evaluate the efficacy of bipolar radiofrequency (RF) neurotomy of medial branches for treating chronic thoracic facet joint pain. Methods This is a retrospective record review of all patients diagnosed to have thoracic facet pain with diagnostic block and subsequently treated with bipolar RF neurotomy of medial branch between January 2012 and December 2015. The outcome measures were mean changes in Numeral Rating Scale (NRS) and Pain Disability Index (PDI). Results There were 71 patients with complete data available for analysis. The mean age of the patients was 57.9±11.2 years. The mean duration of pain was 23±10.5 months. The majority of patients (82%) had pain reduction of more than 50% at 12 months after bipolar RF neurotomy. The NRS decreased significantly from baseline of 7.75±1.25 to 2.86±1.53 at 3 months and 2.82±1.29 at 12 months post-procedure (p<0.001. p<0.001, respectively). The PDI improved significantly from 40.92±12.22 to 24.15±9.79, p<0.05). There were no serious adverse effects or complications of the procedure reported in this study. Conclusions Bipolar RF neurotomy of thoracic medial branch is associated with a significant reduction in thoracic facet joint pain. The promising findings from this case series merit further assessment with prospective, randomized controlled trial which will produce a more reliable and accurate finding for its clinical applications.

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