Αρχειοθήκη ιστολογίου

Κυριακή 30 Ιουλίου 2017

Objective assessment of hearing during second stage of tympanoplasty – surgical technique and measurement methodology presented in ten patients

Abstract

In this paper, a complete integrated method of intraoperative monitoring of hearing (IOMH) during ossiculoplasty performed via posterior tympanotomy is presented.

The method integrates auditory steady state responses (ASSR) with Laser-Doppler Vibrometry (LDV) and allows intraoperative optimization of ossicular prosthesis positioning and coupling.

Both ASSR and LDV are acquired simultaneously.

The results of the integrated measurements are analyzed and evaluated automatically on-line which makes this strategy unaffected by individual differences in interpretations of collected recordings.

The technique of intraoperative monitoring of hearing, presented in this paper, allows optimal placement of the prosthesis and replacement if needed as well as confirmation of the ossiculoplasty efficiency by intraoperatively defined hearing threshold and air-bone gap closure before the end of surgery.

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