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Characteristics of adolescent hallux abducto valgus. A retrospective review.

The authors review 63 surgical cases of adolescent hallux abducto valgus in 54 patients from the Foot and Ankle Institute of the Pennsylvania College of Podiatric Medicine over a 7-year period. Twenty-five closing base wedge and capital osteotomies were evaluated for radiographic changes. Three quarters of a group of 65 patients with adolescent hallux abducto valgus were found to have an abnormally high metatarsus adductus angle. Patients who had a closing base wedge osteotomy had higher preoperative radiographic angles for the intermetatarsal, metatarsus adductus, hallux abductus, and proximal articular set angles as well as the tibial sesamoid position. Those patients had 4.49 degrees more intermetatarsal angle correction than the patients who had a capital osteotomy. Implications for evaluation and treatment are discussed.