Triple Layer Oronasal Fistula Repair Using Local Endonasal Flaps: Case Series of Three Patients

Author:

Badaoui Joseph N.1ORCID,Choby Garret1,McMillan Ryan A.1,Goates Andrew J.1,Cofer Shelagh A.1

Affiliation:

1. Department of Otorhinolaryngology – Head and Neck Surgery, Mayo Clinic, Rochester, Minnesota, USA

Abstract

Oronasal fistula (ONF) is a common complication encountered after palatoplasty. Repair is indicated when symptoms impact speech and swallowing. In spite of the variety of surgical approaches described to repair these defects, recurrence rates remain high. Traditionally, successful closure is said to be achieved in using a double-layered approach due to the three-dimensional aspect of the defect. The extent of the fistula into the nasal cavity has incited an increased curiosity in using local endonasal flaps. In recent years, endonasal reconstructive procedures have seen increased interest and application, from cranial base defect repairs to orbital reconstruction and beyond. The nasoseptal (NSF) and inferior turbinate flaps (ITF) possess a robust arterial supply and an exceptional reach with excellent results demonstrated in large defect repair. However, the use of these flaps in ONF repair is scarcely discussed in the literature, and their effectiveness is relatively undetermined. In this manuscript, we present a series of three patients who underwent a triple layer ONF closure, with the oral portion incorporating a turn-in mucosal flap plus a local palate rotation flap or greater palatine artery pedicled-rotation flap, and a NSF or an ITF for the nasal portion of the defect.

Publisher

SAGE Publications

Subject

Otorhinolaryngology,Oral Surgery

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