Treatment of Concomitant Congenital Pseudarthrosis of the Fibula With Propeller Periosteal Flap
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Published on: January 24, 2018
Tarek Abdalla El-Gammal1, Amr El-Sayed Ali2, Mohamed Mostafa Kotb2
1From the Department of Orthopedics and Traumatology, Reconstructive Microsurgery Unit, Assiut University Hospitals and School of Medicine.
Introduction:
Congenital pseudarthrosis of the fibula is not an uncommon condition to accompany congenital pseudarthrosis of the tibia. Persistence of the fibular pseudarthrosis has been linked to inferior outcomes including tibial union and alignment, refractures, and ankle alignment. In this report, we present the results of a pedicled periosteal propeller flap technique for the treatment of fibular pseudarthrosis.
Methods:
Ten children with an average age at surgery of 5.3 years who had congenital pseudarthrosis of both tibia and fibula were studied. The tibia was treated with free vascularized fibular grafting, and the ipsilateral fibula was treated with a technique after resection of the pseudarthrosis. A periosteal flap from the proximal healthy part of the fibula is harvested off the bone, rotated 180° based on a branch from the peroneal vessels to cover the fibular defect and fashioned in the form of a tube filled with bone fragments.
Results:
The periosteal flap size ranged from 5 to 7 cm. Follow-up averaged 37.2 months. The tibia was united in all cases; in 2 of them, refractures occurred and healed with conservative management. The fibula was united in 8 cases. At final follow-up, 5 cases showed residual tibial deformity, and 5 showed residual ankle deformity. Average leg-length discrepancy was 1.4 cm (0-3 cm).
Conclusion:
The pedicled periosteal propeller flap presents a useful new technique for managing concomitant congenital fibular pseudarthrosis.
