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Platelet-rich plasma (PRP) injection has been proposed as a nonsurgical remedy for many musculoskeletal conditions; however, most controlled studies have shown little or no benefit. In this U.K. study, researchers explored PRP use in patients with greater trochanteric pain syndrome (GTPS) confirmed by magnetic resonance imaging. GTPS subsumes what used to be called trochanteric bursitis and often involves gluteus medius tendinopathy.
Seventy-nine adults (mean age, 57) with GTPS for at least 6 months in whom physical therapy and corticosteroid injections had failed were randomized to single ultrasound-guided injections of autologous PRP (4 mL) prepared from centrifuged blood drawn at the time of the procedure or to control saline. Injection w…