Analysis of long‑term functional results of radical mastoidectomy

Mocanu,Horia; Mocanu,Adela-Ioana; Bonciu,Alexandru; Coadă,Gabriella; Schipor,Mihai-Adrian; Rădulescu,Marian

doi:10.3892/etm.2021.10650

Analysis of long‑term functional results of radical mastoidectomy

Authors:
- Horia Mocanu
- Adela-Ioana Mocanu
- Alexandru Bonciu
- Gabriella Coadă
- Mihai-Adrian Schipor
- Marian Rădulescu
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Affiliations: Department of ENT & HNS, Faculty of Medicine, ‘Titu Maiorescu’ University, 031593 Bucharest, Romania, Department of ENT & HNS, Polimed Medical Center, 040067 Bucharest, Romania, Department of ENT & HNS, ‘Dr. Carol Davila’ Central Military Emergency University Hospital, 010825 Bucharest, Romania, Department of ENT & HNS, ‘Sf. Maria’ Clinical Hospital, 011172 Bucharest, Romania, Technical University of Munich, Institute of Astronomical and Physical Geodesy, D-80333 Munich, Germany, Department of ENT & HNS, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
Published online on: August 26, 2021 https://doi.org/10.3892/etm.2021.10650
Article Number: 1216
Copyright: © Mocanu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

We performed a long‑term, retrospective, non‑controlled study on the functional results of mastoidectomy (both radical and modified radical) and defined the relevant statistical factors that may influence the hearing outcome. In a cohort of 200 patients, we performed both radical and modified radical mastoidectomy (MRM) and followed them clinically for a period of 8.12 years. The functional results were defined by the analytical function of the severity and the period of evolution of the disease. These parameters were defined by assessing the pre‑operative absolute hearing threshold (AHT), bone conduction threshold (BCT) and age of the patient at the moment of the operation. The two parameters evolved inversely proportional to the functional results and represented a complete and precise analytical tool. The global average hearing gain ratio was 32% and the ratio for unmodified pre‑operative hearing (status quo ante) was 61%. With favorable prognostic factors, the average gain rate was 56% and the hearing‑loss rate was 5% (1‑dB SPL nominal value). The maximum ratio for gain was 81% and for hearing loss this was 0%.

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November-2021
Volume 22 Issue 5

Print ISSN: 1792-0981
Online ISSN:1792-1015

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Analysis of long‑term functional results of radical mastoidectomy

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Analysis of long‑term functional results of radical mastoidectomy

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