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07-12-2024 | Tympanoplasty | Otology

The effect of single-layer and double-layer graft usage in tympanoplasty on hearing and graft success

Authors: Zülal Kara, Selahattin Genç, Halil Erdem Özel, Fatih Özdoğan, Sebla Çalışkan

Published in: European Archives of Oto-Rhino-Laryngology

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Abstract

Objectives

In this study, we investigated whether the use of double layer graft (DLG) in tympanoplasty would increase grafting success rates (GSR) and whether increased graft thickness would negatively affect hearing.

Methods

The study group consisted of patients with DLG and the control group consisted of patients with single layer graft (SLG). The results of 195 patients in terms of hearing achievement and 211 patients in terms of GSR were compared.

Results

Hearing and GSR were analyzed in 103 DLG and 108 SLG patients. Postoperative 6th month air conduction pure tone averages were 25.34 (±14.99) dB in DLG group and 20.50 (±8.82) dB in SLG group. These values were statistically significantly higher in the DLG group (p=0.005). Postoperative air bone gap was 11.40 (±8.61) dB in DLG and 12.95 (±10.88) dB in SLG and there was no statistically significant difference in hearing gain between the groups. GSR was 99/103 (96.1%) in the DLG group and 103/108 (95.4%) in the SLG group with no difference between the groups (p=0.679)

Conclusion

We concluded that DLG is not superior to SLG in terms of both hearing and GSR, and may even be disadvantageous in terms of hearing, and this should be taken into consideration in patient selection.
Literature
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go back to reference Kouhi A, Khorsandi Ashthiani MT, Jalali MM (2018) Results of type I tympanoplasty using Fascia with or without cartilage reinforcement: 10 years’ experience. Iran J Otorhinolaryngol Mar 30:103–106 Kouhi A, Khorsandi Ashthiani MT, Jalali MM (2018) Results of type I tympanoplasty using Fascia with or without cartilage reinforcement: 10 years’ experience. Iran J Otorhinolaryngol Mar 30:103–106
Metadata
Title
The effect of single-layer and double-layer graft usage in tympanoplasty on hearing and graft success
Authors
Zülal Kara
Selahattin Genç
Halil Erdem Özel
Fatih Özdoğan
Sebla Çalışkan
Publication date
07-12-2024
Publisher
Springer Berlin Heidelberg
Keyword
Tympanoplasty
Published in
European Archives of Oto-Rhino-Laryngology
Print ISSN: 0937-4477
Electronic ISSN: 1434-4726
DOI
https://doi.org/10.1007/s00405-024-09117-7