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Comparing audiometric parameters between crushed and intact cartilage tympanoplasty: a double-blinded, randomised, controlled trial study

Published online by Cambridge University Press:  04 December 2020

A Tajdini
Affiliation:
Department of Otorhinolaryngology, Tehran University of Medical Sciences, Amir Alam Hospital, Tehran, Iran
N Hatami
Affiliation:
Department of Otorhinolaryngology, Tehran University of Medical Sciences, Amir Alam Hospital, Tehran, Iran
B Rahmaty
Affiliation:
Department of Otorhinolaryngology, Tehran University of Medical Sciences, Amir Alam Hospital, Tehran, Iran
A Kouhi*
Affiliation:
Department of Otorhinolaryngology, Tehran University of Medical Sciences, Amir Alam Hospital, Tehran, Iran
S Dabiri
Affiliation:
Department of Otorhinolaryngology, Tehran University of Medical Sciences, Amir Alam Hospital, Tehran, Iran
K Aghazadeh
Affiliation:
Department of Otorhinolaryngology, Tehran University of Medical Sciences, Amir Alam Hospital, Tehran, Iran
*
Author for correspondence: Dr Ali Kouhi, Department of Otorhinolaryngology, Tehran University of Medical Sciences, Amir Alam Hospital, North Saadi Ave, Tehran, Iran, PO Box: 11457–65111 E-mail: A-kouhi@tums.ac.ir Fax: +98 (21) 6676 0245
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Abstract

Objective

To investigate hearing and the take rate of crushed cartilage grafts in tympanoplasty.

Methods

In this double-blinded, randomised, controlled trial, 46 patients with tympanic membrane perforation were enrolled. A conchal cartilage graft was used for reconstruction in both intervention and control groups. In the intervention group, crushed cartilage was used. The success rate and hearing results were ascertained every four months over a one-year follow-up period.

Results

A total of 36 patients – 20 in the intervention group and 16 in the control group – completed one year of follow up. There were no statistically significant differences between the two groups in mean air–bone gap, bone conduction threshold, speech discrimination score or speech reception threshold.

Conclusion

The reduction in living cells after crushed cartilage tympanoplasty may decrease the rigidity and the volume of the graft, but may not necessarily improve the hearing results.

Type
Main Articles
Copyright
Copyright © The Author(s), 2020. Published by Cambridge University Press

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Footnotes

Dr A Kouhi takes responsibility for the integrity of the content of the paper

References

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