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Rev Chir Orthop Reparatrice Appar Mot. 2008 Apr;94(2):128-34. doi: 10.1016/j.rco.2007.12.001. Epub 2008 Feb 20.

[Results of surgical treatment of congenital convex pes valgus (10 non-idiopathic feet)].

[Article in French]

Author information

  • 1Service de chirurgie orthopédique et de traumatologie, CHU Habib Bourguiba, route el Aïn km 0.5, 3000 Sfax, Tunisie. kamel.ayadi@rns.tn

Abstract

PURPOSE OF THE STUDY:

Congenital pes valgus is a rare and complex deformity of the foot raising serious diagnostic and therapeutic challenges. The purpose of our work was to present the surgical procedures used in our series and to analyze outcome.

MATERIAL AND METHODS:

Ten feet presenting congenital convex valgus treated surgically over a six-year period using the same operative technique were reviewed at minimum five years follow-up. Idiopathic deformities were excluded from this series. Deformities were secondary to arthrogryposis in five feet, a multiple malformative syndrome in four and diastematomyelia in one. The surgical technique used two approaches: a posteromedial incision to release the dorsal flexors, disinsert the tibialis posterior, open the talonavicular joint, release the Achilles tendon and release the posterior tibiotalar capsule; a lateral incision to lengthen the fibular tendons and perform an osteotomy of the anterior process of the calcaneum. A talonavicular pin and a calcaneocuboid pin maintained the correction. The tibialis posterior tendon was reinserted on the anterior aspect of the talonavicular capsule after incision of the dislocation chamber.

RESULTS:

Outcome was considered good in five cases and fair in five. Outcome was fair in the arthrogyrposis feet. Undercorrection was observed in two feet and valgus flatfoot in three. Talar necrosis occurred in one foot and navicular necrosis in two.

DISCUSSION:

Simultaneous correction of the different anomalies observed in the congenital convex foot was achieved in this series. The anatomic and functional results were satisfactory. We recommend avoiding overly extensive release in order to decrease the risk of talar and navicular necrosis. It is also important to check the reduction radiographically during the operation. Patients should use an orthesis several months postoperatively to avoid recurrence.

PMID:
18420056
[PubMed - indexed for MEDLINE]
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