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The therapeutic effect of genicular nerve radiofrequency for chronic knee pain after a total knee arthroplasty: A systematic review

Meiling, James B.
Barndt, Brandon S.
Ha, Christopher T.
Eubanks, James E.
Schappell, Justin B.
Raum, George M.
Khan, Samir A.
Prokop, Larry
Conger, Aaron
McCormick, Zachary L.
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Journal article
Date
2022-05-20
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Physical Medicine and Rehabilitation
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http://dx.doi.org/10.1016/j.inpm.2022.100072
Abstract
Objective: Summarize the therapeutic pain-reducing effects of GnRF for refractory post-TKA knee pain. A secondary objective was to summarize improvements in physical function after GnRF. Methods: A protocol was registered, and a database search conducted by an experienced librarian of all available studies in the English language up until November 3, 2021. Study inclusion criteria were randomized controlled trials (RCTs), prospective and retrospective longitudinal studies, cross-sectional studies, case series, case reports, studies involving adults ≥18 years of age, and studies written about the use of GnRF for the alleviation of chronic knee pain after receiving a TKA. The study quality and risk of bias was assessed using NHLBI Study Quality of Assessment Tools and Murad et al.'s Quality Assessment of Case Reports. Certainty in the evidence was assessed using the Grading of Recommendations, Assessment, Development, and Evaluation approach. Results: A total of 229 studies were screened, 11 met the inclusion criteria, and 265 patients underwent GnRF. Study designs included 1 double-blind pragmatic RCT, 5 retrospective cohort studies, 2 retrospective case series, and 3 case reports. The overall study quality assessment demonstrated three studies had “good”, six “fair”, and two “poor” quality. There have been positive responses to GnRF for post-TKA chronic knee pain in a range of 30–100% of patients. Conclusions: According to GRADE, there is limited evidence, associated with low certainty to support the use of GnRF to ameliorate chronic knee pain after TKA, largely due to inconsistency and risk of bias. The studies included in this review reported positive results in pain and disability, and relatively few adverse events.
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James B. Meiling, Brandon S. Barndt, Christopher T. Ha, James E. Eubanks, Justin B. Schappell, George M. Raum, Samir A. Khan, Larry Prokop, Aaron Conger, Zachary L. McCormick, Christine L. Hunt, The therapeutic effect of genicular nerve radiofrequency for chronic knee pain after a total knee arthroplasty: A systematic review, Interventional Pain Medicine, Volume 1, Issue 1, 2022,100072, ISSN 2772-5944, https://doi.org/10.1016/j.inpm.2022.100072.
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Elsevier
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Interventional Pain Medicine, Vol. 1, Iss. 1
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