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Zhonghua Zheng Xing Wai Ke Za Zhi ; 19(2): 107-9, 2003 Mar.
Artigo em Chinês | MEDLINE | ID: mdl-12889187

RESUMO

OBJECTIVE: To evaluate a retro-grade auricular flap for repairing large alar defects. METHODS: Twenty-nine adult cadavers were anatomically used for vascular investigation of the frontal, nasal and temporal regions by injecting a dye into the main vessels. Based on the anatomical study in these regions, a retro-grade auricular flap was designed for repairing alar defects in 16 patients. RESULTS: The blood supply of the auricle could be nourished by the inner carotid artery system from the supratrachlear artery and supraorbital artery through the frontal arterial anastomotical network into the frontal branch of the superficial temporal artery. It is then passing the main trunk of the superficial temporal artery into the ear area through the auricular branches of the superficial temporal artery. The retro-grade auricular island flap could be formed by basing the supratrachlear artery and the supraorbital artery through the vascular network between the superficial temporal artery and the supratrachlear artery or the supraorbital artery. Sixteen patients with large alar defects and half-sized nasal defects were successfully repaired by this technique. CONCLUSIONS: The retro-grade auricular island flap, based on the inner carotid artery system, could be a good and safe flap for repairing a large alar defect or half-sized nasal reconstruction.


Assuntos
Pavilhão Auricular/irrigação sanguínea , Deformidades Adquiridas Nasais/cirurgia , Retalhos Cirúrgicos/transplante , Adulto , Artérias , Cadáver , Artéria Carótida Interna , Humanos , Artéria Oftálmica , Procedimentos de Cirurgia Plástica , Retalhos Cirúrgicos/irrigação sanguínea , Artérias Temporais
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