The Effects of Burr-Assisted Rhinoplasty on Hearing : Journal of Craniofacial Surgery

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The Effects of Burr-Assisted Rhinoplasty on Hearing

Zorlu, Mehmet E. MD*; Aysel, Abdulhalim MD*; Aydin, Enes MD*; Catli, Tolgahan MD

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The Journal of Craniofacial Surgery 34(3):p 881-883, May 2023. | DOI: 10.1097/SCS.0000000000008990

Abstract

Aim: 

The aim of this study is to examine the effects of the burr used for hump reduction and osteoplasty on cochlear function.

Materials and Methods: 

The design of this study was prospective, randomized, and controlled. Twenty patients who underwent burr-assisted septorhinoplasty were included in the study group. The control group consisted of 20 patients who underwent septoplasty. Pure tone audiometry, distortion product otoacoustic emission test, and tympanometry were performed to determine the auditory functions.

Results: 

No significant difference was observed between the bone conduction thresholds of the right and left ears in both groups, except for a single frequency (1000 Hz in the left ear) in the control group. There was no significant difference between the 2 groups’ air conduction thresholds at frequencies of 500, 1000, 2000, 4000, 6000, and 8000 Hz preoperatively and postoperatively. In addition, the study and control group did not differ significantly in signal-to-noise ratio measurements at frequencies of 500, 1000, 2000, and 4000 Hz. The comparison of preoperative and postoperative otoacoustic emission measurement results of the study group revealed a statistically significant difference only at the frequencies of 2000 Hz in the right ear and 500 Hz in the left ear. Despite those differences, otoacoustic emissions were still present at those frequencies postoperatively.

Conclusions: 

Our study showed that using burrs during rhinoplasty slightly impacts hearing, but it does not cause significant hearing loss. Burr-assisted rhinoplasty appears to be a safe operation regarding the auditory functions.

Copyright © 2022 by Mutaz B. Habal, MD

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