Stephen O'Leary

Monitoring Cochlear Health With Intracochlear Electrocochleography During Cochlear Implantation: Findings From an International Clinical Investigation.

S O'Leary, E Mylanus, F Venail, T Lenarz, C Birman, F Di Lella, JT Roland, B Gantz, A Beynon, M Sicard, A Buechner, WK Lai, C Boccio, B Choudhury, VD Tejani, K Plant, R English, R Arts, C Bester

Journal article  |  2023  |  Ear Hear

OBJECTIVES: Electrocochleography (ECochG) is emerging as a tool for monitoring cochlear function during cochlear implant (CI) surg..

Polymeric fiber sensors for insertion forces and trajectory determination of cochlear implants in hearing preservation.

Dinusha Serandi Gunawardena, Jingxian Cui, Xin Cheng, Arvind N Vadivelu, Alireza Mohammadi, Geraldi Edbert, Zhengyong Liu, Bernard Chen, Denny Oetomo, Stephen O'Leary, Hwa-Yaw Tam

Journal article  |  2023  |  Biosens Bioelectron

The level of hearing restoration in patients with severe to profound sensorineural hearing loss by means of cochlear implants (CIs..

Four-Point Impedance Changes After Cochlear Implantation for Lateral Wall and Perimodiolar Implants.

Tayla Razmovski, Christofer Bester, Aaron Collins, Eren Tan, Stephen J O'Leary

Journal article  |  2022  |  Otol Neurotol

OBJECTIVE: Monitor four-point impedance in cochlear implant recipients over time and determine if implant type, surgical approach,..

Electrocochleography triggered intervention successfully preserves residual hearing during cochlear implantation: Results of a randomised clinical trial

Christofer Bester, Aaron Collins, Tayla Razmovski, Stefan Weder, Robert J Briggs, Benjamin Wei, Atiqah Farah Zakaria, Jean-Marc Gerard, Alistair Mitchell-Innes, Michael Tykocinski, Richard Kennedy, Claire Iseli, Markus Dahm, Simon Ellul, Stephen O'Leary

Journal article  |  2022  |  HEARING RESEARCH

BACKGROUND: Preservation of natural hearing during cochlear implantation is associated with improved speech outcomes, however more..

A new "practical" plane for Eustachian tube measurements and its application in predicting middle ear dysfunction in patient with acquired cholesteatomas.

Dominic Ku, Bridget Copson, Mark Fiorentino, Jean-Marc Gerrard, Stephen O'Leary

Journal article  |  2022  |  Eur Arch Otorhinolaryngol

SETTING: The Eustachian tube plays a vital role in middle ear physiology. There has been evidence that Eustachian tube (ET) and an..

Four-point Impedance Changes in the Early Post-Operative Period After Cochlear Implantation.

Tayla Razmovski, Christofer Bester, Aaron Collins, Stephen J O'Leary

Journal article  |  2022  |  Otol Neurotol

OBJECTIVE: Monitoring four-point impedance changes after cochlear implantation with comparison to conventional impedance measureme..

Spironolactone Ameliorates Cochlear Implant Induced Endolymphatic Hydrops.

Nathan J Creber, Hayden T Eastwood, Amy J Hampson, Jonathon Lo, Dongcheng Zhang, Scott A Chambers, Christo W Bester, Peter R Thorne, Stephen J O'Leary

Journal article  |  2022  |  Otol Neurotol

BACKGROUND: Endolymphatic hydrops (EH) has been observed in both animal and human cochleae following cochlear implant (CI) surgery..

A Deep Learning Framework for Segmenting Brain Tumors Using MRI and Synthetically Generated CT Images

Kh Tohidul Islam, Sudanthi Wijewickrema, Stephen O'Leary

Journal article  |  2022  |  SENSORS

Multi-modal three-dimensional (3-D) image segmentation is used in many medical applications, such as disease diagnosis, treatment ..

Automatic analysis of cochlear response using electrocochleography signals during cochlear implant surgery.

Sudanthi Wijewickrema, Christofer Bester, Jean-Marc Gerard, Aaron Collins, Stephen O'Leary

Journal article  |  2022  |  PLoS One

Cochlear implants (CIs) provide an opportunity for the hearing impaired to perceive sound through electrical stimulation of the he..

Cochlear implant surgery and perioperative dizziness is associated with utricular hyperfunction

Michelle Truong, Christo Bester, Kumiko Orimoto, Maria Vartanyan, Debra Phyland, Hamish MacDougall, Sylvia Tari, Alex Rousset, Ian Curthoys, Stephen O'Leary

Journal article  |  2022  |  JOURNAL OF VESTIBULAR RESEARCH-EQUILIBRIUM & ORIENTATION

BACKGROUND: Dizziness is a common perioperative complication after cochlear implantation (CI). To date, the exact cause behind thi..