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Agri. 2020 Jan;32(1):38-43. doi: 10.14744/agri.2019.16779.

Fluoroscopy-guided genicular nerves pulsed radiofrequency for chronic knee pain treatment.

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Department of Anaesthesiology and Reanimation, Necmettin Erbakan University Faculty of Medicine, Konya, Turkey.
Department of Physical Therapy and Rehabilitation, Karatay University, Konya, Turkey.



The primary objective of this study was to investigate the effects of Pulsed RF application in the genicular nerve on pain and function in patients with osteoarthritis (OA) and its side effects.


This study was conducted between February 2018 and June 2018. Patients who were previously administered diagnostic blocks were evaluated a day later; a drop of at least 50% in numeric pain scores was considered a positive response, and these patients were included in the Pulsed RF neurotomy procedures. Radiofrequency (RF) cannula was advanced towards targeted nerves under the guidance of fluoroscopy. RF lesions were created by applying Pulsed RF treatment to the three genicular nerves three times with five minutes intervals at 42 °C using NT1000 RF Generator. Following the Pulsed RF application, 2 mL 0.5% bupivacaine was injected into each genicular nerve as an anesthetic agent. VAS, pain DETECT scores, WOMAC scores were evaluated preoperative baseline and postprocedure weeks 1, 4, and 12. Patient Global Impression of Change (PGIC) score was evaluated postprocedure weeks 12.


This study included 20 patients who were administered genicular nerve Pulsed RF. The mean age was 55.2±3.24 years, and F/M ratio was 12/8. Compared to the pre-procedure period, patients' pain and function evaluation, WOMAC and VAS values decreased by approximately 50% at the end of the 12th week. No side effect was observed in any patients.


Our findings suggest that Pulsed RF neurotomy of the genicular nerves is an efficient and safe treatment method for patients with chronic knee osteoarthritis.

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