Resumen

QUESADA, Agustín; VIDELA AVILA, Fabricio; HORUE PONTORIERO, Gastón  y  FILISETTI, Jorge E.. Transporte sobre clavo respetando la membrana de Masquelet en defectos segmentarios severos. Serie de casos. Rev. Asoc. Argent. Ortop. Traumatol. [online]. 2023, vol.88, n.1, pp.79-90. ISSN 1852-7434.  http://dx.doi.org/https://doi.org/10.15417/issn.1852-7434.2023.88.1.1570.

Introduction: The proper treatment of bone defects represents a challenge for the orthopedic surgeon given the difficulty in restoring limb alignment without discrepancy nor infections. Multiple techniques have been described for the reconstruction of these defects. These include bone grafting, whether autologous or from a bank, the induced membrane technique, distraction osteogenesis, and, recently, the use of trabecular titanium cylinders, but none has been shown to be significantly superior to another. Materials and Methods: Between 2018 and 2021, ten patients with tibial bone defects were treated by guided bone transport with intramedullary osteosynthesis. We carried out a descriptive retrospective study of this series, analyzing the magnitude of the defects, the transport time, the complications and additional surgeries that took place during the process, whether there was consolidation, and the residual deformities. The bone and functional ASAMI scores were measured at the end of the process. Results: The average length of the treated defects was 9.75 cm and the average external fixation index was 40.62 d/cm. At the end of the reconstructive process, 50% of the patients presented a good bone ASAMI score, 10% presented an excellent score, and 40% had a poor score. Regarding the functional ASAMI score, 20% were excellent, 30% were good, and 50% were poor. Conclusion: The use of fixators guided by intramedullary nails constitutes a reliable method to treat bone defects that allows treating the infection locally and systemically, shortens the times of external fixation and hospitalization, and reduces the need for reinterventions.

Palabras clave : Lengthening over a nail; Masquelet; bone defect.

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