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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/195742
Mastoid obliteration and canal wall reconstruction with posterior auricular artery (PAA) fascia-periosteum flap
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Objective: Unstable cavities are defined as cavities with cerumen accumulation that need frequent cavity cleaning in the out-patient clinic, cavities that are intolerant to water due to risk of infection or that are subject to frequent infection and otorrhoea. The objective of this study is to address the problem of troublesome mastoid cavities, with the performance of secondary mastoid obliteration and canal wall reconstruction, using a novel posterior auricular artery (PAA) fascia-periosteum flap. Materials and methods: A prospective study was designed, only secondary obliterations were included. Unstable mastoid cavities were defined as Merchant grade 2 or 3 and were included for surgery. Results: At 12 months of follow up, a complete external auditory canal (EAC) and a self-cleaning ear were achieved in all 23 patients. Completely dry ears were achieved in 21 patients (91.3%). An air-bone gap improvement of 5dB was achieved. Conclusion: Mastoid obliteration and EAC reconstruction are effective procedures to treat troublesome post canal wall down mastoid cavities. They improve quality of life and enable patients to overcome ear discharge. A standard EAC size enables the utilization of conventional hearing aids, it also reduces the need for constant mastoid cleaning and decreases healthcare expenses. The PAA flap seems to be an effective procedure to achieve all these features, as it is used to obliterate the mastoid and becomes a structural component of the neo-EAC.
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BARTEL, Ricardo, CRUELLAS, Francesc, GONZÁLEZ COMPTA, Xavier, HAMDAN, Miriam, HUGUET, Gabriel, MESALLES, Marta, CISA, Enric, NOGUÉS, Julio. Mastoid obliteration and canal wall reconstruction with posterior auricular artery (PAA) fascia-periosteum flap. _Acta Otorrinolaringológica Española_. 2023. Vol. 74, núm. 1. [consulta: 23 de gener de 2026]. ISSN: 0001-6519. [Disponible a: https://hdl.handle.net/2445/195742]