The New Semisynthetic TORP: A Prosthesis for Ossicular Reconstruction Both With the Absence and the Presence of the Stapes Superstructure

Author:

Malafronte Giuseppe1,Fetoni Anna Rita2,Motta Gaetano3,Presutti Livio

Affiliation:

1. Department of Otolaryngology Head and Neck Surgery, San Giuseppe Moscati Hospital, Avellino, Italy

2. Unit of Audiology, Department of Neuroscience, Reproductive Science and Dentistry, University Federico II, Naples, Italy

3. Head and Neck Surgery Unit, Department of Mental and Physical Health and Preventive Medicine, University of Campania “Luigi Vanvitelli,” Italy

Abstract

Objectives To describe the new semisynthetic total ossicular replacement prosthesis (New-SSTORP) and to evaluate the New-SSTORP ossiculoplasty results both with the presence and absence of the stapes superstructure. Study Design Prospective study. Setting Tertiary referral center. Methods From April 2023 to May 2023, 18 New-SSTORP ossiculoplasties were performed by the first author. In all patients, the New-SSTORP was interposed between the footplate and the eardrum. The study group was divided into two groups (group A and group B). Group A included 13 patients with the absence of stapes superstructure. Group B included five patients with the presence of stapes superstructure. A successful reconstruction was defined as a postoperative air-bone gap ABG ≤20 dB. For all patients of groups A and B, the last audiometric control considered was performed in January 2024. The mean follow-up was 8½ months. The χ 2 test was used to compare results. p < 0.05 was considered significant. Main Outcome Measures Mean postoperative ABG ≤20 dB Results At the end of follow-up, the overall success rate (ABG ≤20 dB) of New-SSTORP ossiculoplasty was obtained in 88.8% (n = 16 of 18) of cases. In group A, the success rate of New-SSTORP ossiculoplasty occurred in 84.6% (n = 11 of 13) of cases, and in group B, the success rate of New-SSTORP ossiculoplasty occurred in 100% (n = 5 of 5) of cases. There was no audiological statistically significant difference between groups A and B (Fisher value is 1; p < 0.05). In all cases, the time for positioning of New-SSTORP was about 5 minutes Conclusion The New-SSTORP has a minimal technical challenge for building and placement. The New-SSTORP ossiculoplasty results are very good both with the presence and absence of SS.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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