Abstract
More than 150 corrective procedures for hallux valgus exist and an incorrect choice of procedure leads to insufficient correction. Distal first metatarsal osteotomy cannot correct large deformities and degenerative changes at the metatarsophalangeal joint impede functional recovery. Incongruence of the joint must be corrected during surgery. Recurrence is most often caused by insufficient correction, especially of the first metatarsal bone. Overcorrection is often due to technical problems with the initial metatarsal osteotomy. This also applies to insufficiency of the first ray due to shortening or dorsal angulation. Partial first metatarsal head necrosis occasionally occurs but complete necrosis is rare. Non-union is mostly caused by incorrect osteosynthesis. During postoperative treatment the hallux must be held in the correct position to avoid failure.
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