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KMID : 0352120180330010006
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Journal of Kyung Hee University
2018 Volume.33 No. 1 p.6 ~ p.70
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Cooled Radiofrequency Ablation of the Genicular Nerves for Chronic Knee Pain due to Osteoarthritis
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Jeong Yoo-Jin
Lee Bong-Jae
Shim Jae-Chol
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Abstract
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Fluoroscopy-guided techniques for radiofrequency ablation (RFA) of the genicular nerves have been previously described and a recent cadaveric study suggests that ultrasound guided genicular nerve blocks can be performed accurately. We performed an ultrasound- guided cooled radiofrequency ablation (C-RFA) of the genicular nerves in 75-years-old woman who had deferred surgical management given her age. Following successful ultrasound guided diagnostic genicular nerve blocks, she proceeded to C-RFA using the same ultrasound guided technique. The procedure resulted in significant pain relief and improvement in overall function for greater than 3 months. The use of ultrasound provides a relatively rapid and noninvasive method to directly visualize genicular nerves and surrounding vasculature. Our case suggests that, for genicular nerve blockade and C-RFA, ultrasound may be a useful alternative to fluoroscopy. Not only did the procedure result in significant pain relief that has persisted for greater than 3 months but also more importantly her function status and quality of life were improved.
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KEYWORD
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Knee osteoarthritis, Ultrasonography, Pain, Nerve block, Radiofrequency, Genicular nerve
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