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Lower extremity trauma: trends in the management of soft-tissue reconstruction of open tibia-fibula fractures.

Parrett BM, Matros E, Pribaz JJ, Orgill DP

Division of Plastic and Reconstructive Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02478, USA.

BACKGROUND: Open lower leg fractures with exposed bone or tendon continue to be challenging for plastic surgeons. Microvascular free-tissue transfer increases the ability to close wounds, transfer vascularized bone, and prevent amputation, yet remains a complex, invasive procedure with significant complication rates, donor-site morbidity, and failure rates. This review documents the changing treatment protocol in the authors' institution for these injuries. METHODS: Two hundred ninety consecutive open tibia-fibula fractures over a 12-year period (1992 to 2003) were retrospectively reviewed and methods and outcomes were compared by grouping the fractures into 4-year intervals. RESULTS: The number of open lower extremity fractures increased, whereas the distribution of Gustilo grade I to III fractures remained unchanged. Overall, free-tissue transfer was performed less frequently and constituted 20 percent of reconstructions in period 1 (1992 to 1995), 11 percent in period 2 (1996 to 1999), and 5 percent in period 3 (2000 to 2003). For the most severe fractures, Gustilo grade III, free-flap reconstruction has decreased significantly, constituting 42 percent, 26 percent, and 11 percent of procedures in periods 1, 2, and 3, respectively. Local flaps for grade III fractures have remained relatively constant throughout the study. In contrast, local wound care for grade III fractures, including skin grafts, delayed primary closures, and secondary intention closures has significantly increased from 22 percent to 49 percent of reconstructions from periods 1 through 3. In 1997, the authors began to use the vacuum-assisted closure device and now use it in nearly half of all open fractures. Despite this trend, there has been no change in infection, amputation, or malunion/nonunion rates and a decrease in reoperation rate with at least 1-year follow-up. CONCLUSIONS: These results demonstrate a change in practice, with a trend down the reconstructive ladder, currently using fewer free flaps and more delayed closures and skin grafts with frequent use of the vacuum-assisted closure sponge. Possible reasons for this change are a better understanding of lower leg vascular anatomy and better use of improved wound care technology.

Published 3 April 2006 in Plast Reconstr Surg, 117(4): 1315-22; discussion 1323-4.
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