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  • Title: [Hallux valgus treated by shortening of the first phalanx with trans-epiphyseal impaction and adductor plasty. Apropos of 49 cases with 5-years follow-up].
    Author: Jarde O, Trinquier JL, Mertl P, Filloux JF, Vives P.
    Journal: Rev Chir Orthop Reparatrice Appar Mot; 1995; 81(2):136-41. PubMed ID: 7569188.
    Abstract:
    PURPOSE OF THE STUDY: 49 cases of hallux-valgus were treated by a shortening of the phalanx with impaction according to the technic described by Regnauld, associated with a plasty of the adductor. Patients were evaluated with a follow-up greater than 5 years. MATERIAL AND METHODS: 32 female and 5 male patients were treated. 63 per cent patients were between 30 and 60 years old. The preoperative average of metatarsus varus was 12 degrees 1. The length of first metatarsal was inferior to the second in 30 cases. The preoperative average of first phalange valgus was 30 degrees. Every operated foot had an Egyptian morphotype. Sesamoids were consistently dislocated. Associated lesion were: 19 flat feet, 10 round fore-feet, 9 clinodactylies treated during the same procedure. RESULTS: They were evaluated according 3 Groulier's criteria: the correction of deformation, static disturbances, and professional activities. The phalangeal valgus was corrected in 37 cases (72 per cent). 33 feet were painless (67 per cent). The dorsal flexion of the first toe was superior to 60 degrees in 38 cases (77 per cent). Metatarsus varus was consistently reduced. 2 permanent metatarsalgia and 4 plantar corns persisted. 76 per cent of operated patients were able to wear shoes normally with a normal perimeter of walking. At X-ray examination, the head of first metatarsal was unchanged in all cases. The joint space was normal in 39 cases (79 per cent). The base of first phalanx was normal in 25 cases (51 per cent). 37 feet had centered sesamoïds. In total, we noticed: 37 very good and good results (72 per cent), 8 moderate results (17 per cent), bad results (9 per cent). DISCUSSION: The operative technic gives a stable shortening of the first phalanx without material and allows the early weight bearing. The abductor of the great toe is a stronger muscle than adductor, allows rotational correction and the alignment of the first phalanx on the first metatarsal. We agree with criteria of bad prognosis proposed by Groulier: age, valgus flat foot, the duration and the importance of deformation, the presence of osteoarthritis. CONCLUSION: The abductor plasty and soft tissue operation contributes to the durable correction of hallux valgus. Shortening must preserve the vascularization of the proximal end of the phalangeal. This operation should be reserved for young patients, without signs of articular cartilage degeneration and having an Egyptian foot.
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