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  • Title: Pedicled sensate composite calcaneal flap to achieve full weight-bearing surface in midshaft leg amputations: case report.
    Author: Livani B, de Castro GF, Filho JR, Belangero WD, Ramos TM, Mongon M.
    Journal: J Reconstr Microsurg; 2011 Jan; 27(1):63-6. PubMed ID: 20945284.
    Abstract:
    Of the possible levels of amputation, transtibial amputations result in functionally excellent outcomes. However, in contrast to hind foot amputations, such as Syme and especially Boyd amputation, acute or late complications related to the amputated stump are frequent with the various described techniques. The aim of this study was to describe a hind foot (including the calcaneum and fat pad) pedicled sensate flap with a surface that allowed full terminal weight-bearing in transtibial amputations in adults. One male patient, 66 years old with schizophrenia and chronic distal tibial osteomyelitis, underwent a leg amputation with sensate composite calcaneal flap construction. The stump was painless and able to bear total terminal weight at 12 weeks. Calcaneum tibial fusion was observed at 12-week postoperative follow-up. A below-knee prosthesis was adapted in 12 weeks, and at the 1-year follow-up, the patient was completely satisfied with the functional performance of his stump. The flap described provides proprioceptive feedback with the best bone and skin to support weight bearing. Another advantage is the possibility to use the same prosthesis commonly used in Boyd or Syme amputation due a longer arm leverage, which also allows full terminal weight-bearing. In the current study, a transtibial amputation covered with a pedicled sensate plantar flap preserving the calcaneum was proposed. In theory, the anatomic structures spared in this technique provide a strong full weight-bearing terminal surface of the stump that will last a lifetime.
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