Split temporalis muscle flap anatomy, vascularization and clinical applications. La fistule palatine ou vélaire dans les fentes

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Veyssiere, A. | Rod, J. | Leprovost, N. | Labbé, D. | Gerdom, A. | Lengelé, B. | Bénateau, H. | Caillot, Aude

Edité par CCSD ; Springer Verlag (Germany) -

International audience. Introduction. For more than a century, the temporalis muscle has been used for facial reconstructions. More recently, a split temporalis muscle flap elevated on the superficial temporal pedicle has been described, for which the resulting gain of length makes crossing of the midline possible, as well as reconstruction of substance losses exceeding the midline. Materials and methods. Fourteen fresh cadaveric dissections were performed to study the different techniques for splitting the temporalis muscle. Dissections with catheterization and injection of radio-opaque contrasting agent in the external carotid artery were then performed to specify the vascularization of the flap split on the superficial temporal pedicle. Results. The duplication of the superficial temporal pedicle grants greater length compared to that of the deep pedicles, 57 mm versus 40 (p = 0.036). The middle temporal artery is capable of ensuring the vascularization, and therefore the viability, of the split flap. From these results, we spoke about the limitations of this study and we have inferred the main indications.

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