Shenoy, Vijendra S and Vanka, Siddharth and Rao, Raghavendra A and *, Vishnu Prasad and Kamath, Panduranga M and Bhat, Jayashree S. (2015) Effect of mastoid drilling on the distortion product otoacoustic emissions in the non operated ear. American Journal of Otolaryngology - Head and Neck Medicine and Surgery, 36. pp. 832-836. ISSN 01960709
![]() |
PDF
DisplayPdf.pdf - Published Version Restricted to Registered users only Download (367kB) | Request a copy |
Abstract
Objective: To monitor the effect of mastoid drilling on the non-operated ear distortion product otoacoustic emissions. Materials and methods: Distortion product otoacoustic emissions (DPOAEs) were measured at frequencies of f 2 = 2, 3, 4 and 5 kHz, and a frequency ratio f 1 /f 2 = 1.22. DPOAEs were measured in 49 cases, pre and post-operatively who underwent mastoid drilling procedures, compared with each other and with 49 controls who underwent myringoplasty and myringotomy procedures. Results: Amplitudes of DPOAEs decreased significantly in those who underwent mastoidectomies over all the measured frequencies in the immediate post-operative period but had recovered by the seventh post operative day. Conclusion: Drill induced noise can cause temporary decrease in the DPOAEs postoperatively and hence temporary hearing loss for a period of one week.
Item Type: | Article |
---|---|
Subjects: | Allied Health > Mangalore Campus > Speech and Hearing Medicine > KMC Mangalore > E.N.T |
Depositing User: | KMCMLR User |
Date Deposited: | 14 May 2016 10:00 |
Last Modified: | 13 Dec 2016 14:29 |
URI: | http://eprints.manipal.edu/id/eprint/146063 |
Actions (login required)
![]() |
View Item |