Christo Bester

Cochlear microphonic latency predicts outer hair cell function in animal models and clinical populations

Christofer Bester, Stefan Weder, Aaron Collins, Adrian Dragovic, Kate Brody, Amy Hampson, Stephen O'Leary

Journal article  |  2020  |  Hearing Research

As recently reported, electrocochleography recorded in cochlear implant recipients showed reduced amplitude and shorter latency in..

Toward a Better Understanding of Electrocochleography: Analysis of Real-Time Recordings

Stefan Weder, Christofer Bester, Aaron Collins, Chanan Shaul, Robert J Briggs, Stephen O'Leary

Journal article  |  2020  |  Ear and Hearing

OBJECTIVES: Real-time electrocochleography (ECochG) has been used as a monitoring tool during cochlear implantation (CI), whereby,..

Intraoperative Observational Real-time Electrocochleography as a Predictor of Hearing Loss After Cochlear Implantation: 3 and 12 Month Outcomes

Stephen O'Leary, Robert Briggs, Jean-Marc Gerard, Claire Iseli, Benjamin PC Wei, Sylvia Tari, Alex Rousset, Christo Bester

Journal article  |  2020  |  Otology and Neurotology: an international forum

OBJECTIVE: A decrease in intracochlear electrocochleographic (ECochG) amplitude during cochlear implantation has been associated w..

Intraoperative Observational Real-time Electrocochleography as a Predictor of Hearing Loss After Cochlear Implantation: 3 and 12 Month Outcomes.

Stephen O'Leary, Robert Briggs, Jean-Marc Gerard, Claire Iseli, Benjamin PC Wei, Sylvia Tari, Alex Rousset, Christo Bester

Journal article  |  2020  |  Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology

OBJECTIVE: A decrease in intracochlear electrocochleographic (ECochG) amplitude during cochlear implantation has been associated w..

Four-point impedance as a biomarker for bleeding during cochlear implantation

Christofer Bester, Tayla Razmovski, Aaron Collins, Olivia Mejia, Soren Foghsgaard, Alistair Mitchell-Innes, Chanan Shaul, Luke Campbell, Hayden Eastwood, Stephen O'Leary

Journal article  |  2020  |  Scientific Reports

Cochlear implantation has successfully restored the perception of hearing for nearly 200 thousand profoundly deaf adults and child..

Nanomechanical mapping reveals localized stiffening of the basilar membrane after cochlear implantation

Jessica K Choong, Amy J Hampson, Kate M Brody, Jonathon Lo, Christofer W Bester, Anthony W Gummer, Nicholas P Reynolds, Stephen J O'Leary

Journal article  |  2020  |  Hearing Research

Cochlear implantation leads to many structural changes within the cochlea which can impair residual hearing. In patients with pres..

Glucocorticoid for Hearing Preservation After Cochlear Implantation: A Systemic Review and Meta-analysis of Animal Studies

Chanan Shaul, Padmavathi K Venkatagiri, Jonathon Lo, Hayden T Eastwood, Christofer W Bester, Robert JS Briggs, Stephen J O'Leary

Journal article  |  2019  |  Otology & Neurotology

OBJECTIVES: To conduct systematic review and meta-analyses of preclinical studies describing the efficacy of glucocorticoids admin..

Intraoperative Intracochlear Electrocochleography and Residual Hearing Preservation Outcomes When Using Two Types of Slim Electrode Arrays in Cochlear Implantation

Angel Ramos-Macias, Stephen O'Leary, Angel Ramos-deMiguel, Christo Bester, Juan C Falcon-Gonzalez

Journal article  |  2019  |  Otology & Neurotology

OBJECTIVES: To report residual hearing preservation outcomes in patients with low frequency hearing, after cochlear implant (CI) e..

Electrical Impedance as a Biomarker for Inner Ear Pathology Following Lateral Wall and Peri-modiolar Cochlear Implantation

Chanan Shaul, Christofer W Bester, Stefan Weder, June Choi, Hayden Eastwood, K Padmavathi, Aaron Collins, Stephen J O'Leary

Journal article  |  2019  |  Otology and Neurotology

OBJECTIVES/HYPOTHESIS: Spikes in cochlear implant impedance are associated with inner ear pathology after implantation. Here, we c..

Intraoperative force and electrocochleography measurements in an animal model of cochlear implantation

J Lo, C Bester, A Collins, C Newbold, A Hampson, S Chambers, H Eastwood, S O'Leary

Journal article  |  2018  |  Hearing Research

To preserve residual hearing, techniques for monitoring and reducing the effects of trauma during cochlear implant surgery are bei..