Prognostic Factors for Free Flap Failure in Head and Neck Reconstruction

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Hennocq, Quentin | Caruhel, Jean‐baptiste | Benassarou, Mourad | Bouaoud, Jebrane | Chaine, André | Girod, Angélique | Graillon, Nicolas | Testelin, Sylvie | Amor-Sahli, Mélika | Foy, Jean‐philippe | Bertolus, Chloé

Edité par CCSD ; Wiley -

International audience. Background The failure rate of free flaps varies from 0.8% to 10.6% in the literature in head and neck reconstruction. The primary objective was to identify prognostic factors for free flap failure. Methods We prospectively included all consecutive free flaps performed between August 2021 and January 2024, and used a multivariate Cox proportional hazard model. Results We included 307 free flaps, performed on 274 patients. Age, cardiovascular risk, radiotherapy history, type of flap, type of arterial anastomosis, and ischemia duration were not statistically linked to the risk of flap failure. In multivariate analysis, a venous anastomosis to the anterior jugular vein or to the superior thyroid vein were associated with an increased risk of flap failure, such as per‐ or postoperative revision of the anastomoses. Conclusions The choice of venous anastomosis, appear to have a greater influence on the success or failure of a microvascularized transfer than patient characteristics.

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