• Hong Wu and John Groner.
• Physical Medicine & Rehabilitation, Pain Management Center, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA. hongwu@mcw.edu
• Pain Pract. 2007 Dec 1; 7 (4): 341-4.

AbstractGroin and thigh pain are frequently the major symptoms of hip joint pathology. The hip joint is innervated by articular branches of the obturator, femoral, superior gluteal, and sciatic nerves. The nerve responsible for hip joint pain can be determined by a diagnostic nerve block. Radiofrequency ablation of the identified articular branches of the hip was demonstrated to provide relief of hip pain. However, continuous radiofrequency denervation by thermal coagulation carries the potential risk of neuritis. We report on two patients with groin and thigh pain related to hip joint pathology treated with a novel technique for hip pain relief, pulsed radiofrequency treatment (PRF) of articular branches of the obturator and femoral nerves. At the time this case was written, both patients demonstrated at least 50% pain relief 3 to 4 months after the intervention along with improved function (increased ambulation and ability to participate in physical therapy). Our clinical observation suggests that PRF of articular branches of the hip joint may be an alternative treatment for patients with intractable hip pain.

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