Abstract
BackgroundAim of this study was to analyze the clinical outcome after treatment of hallux rigidus with implantation of a resorbable polymer-based implant immersed with autologous platelet-rich plasma (PRP). MethodsForty-five patients with hallux rigidus were treated with three-stage resection arthroplasty and subsequent covering of the metatarsal head with a polyglycolic acid-hyaluronan implant immersed with autologous PRP. Patients were clinically assessed using the AOFAS rating scale preoperatively and at 12 and 24 month follow-up. Alignment and range of motion in the metatarsophalangeal joint was measured using a goniometer. ResultsThe AOFAS rating scale and ROM showed significant (p<.01) improvement in all subcategories one and two years after surgery compared to the preoperative situation. ConclusionsCovering of the metatarsal head after resection arthroplasty with the PGA-hyaluronan implant immersed with autologous PRP is safe and leads to a notable improvement of the symptoms in patients with hallux rigidus.
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