Abstract
BackgroundThe minimally invasive correction of hallux valgus is also becoming increasingly popular in German-speaking countries. Numerous percutaneous techniques for correcting the first ray have been published in recent years. To this day, there is still no clarity about the benefits of each technique. Material and MethodsFrom 2019 to 2021, a percutaneous intra-articular Chevron-Akin osteotomy (PECA) with fixation of the metatarsal osteotomy via a double-threaded screw was performed on 70 feet. The radiological parameters (intermetatarsal angle, hallux valgus angle) and the American Orthopedic Foot and Ankle score (AOFAS) were evaluated pre- and postoperatively. ResultsAfter a mean follow-up of 6 months, the radiological parameters were significantly improved. The intermetatarsal angle improved from 13.1° to 5.9°, the hallux valgus angle from 27.4° to 9.3°. The AOFAS improved from 51.4 points preoperatively to 91.2 points postoperatively. There were 2 relevant complications in the group studied, a screw irritation necessitating early metal removal and a secondary dislocation of the 1st metatarsal head necessitating open revision. ConclusionsThe results show the good correction potential of the PECA technique used to treat a mild to moderate hallux valgus deformity. However, further investigations with long-term results and studies comparing the various established percutaneous distal osteotomy procedures are urgently needed in order to increase the comparability of the different procedures.
Published Version
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