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Paediatric bone conduction hearing solutions

Past, present and the future in a tertiary paediatric setting
PhD ceremony:Mr M.S. (Max) Osborne
When:June 05, 2024
Supervisors:prof. dr. M.K.S. (Myrthe) Hol, prof. dr. C.W.R.J. Cremers
Co-supervisor:dr. A.L. McDermott
Where:Academy building RUG
Faculty:Medical Sciences / UMCG
Paediatric bone conduction hearing solutions

Paediatric bone conduction hearing solutions 

The paediatric Bonce Conducting Hearing device was introduced to Birmingham Children’s Hospital in 1988 and over the last 36 years has produced one of the largest cohorts of implanted paediatric patients in the United Kingdom.

This thesis of Max Osborne focuses on the clinical impact of the introduction of a wider diameter fixation screw and its clinical outcome in the paediatric population. This is compared to previously utilised narrow implants at the same centre.

It then examines the clinical impact of the introduction of laser ablation surface modulation to the implant fixture with regards to implant survival rates and Resonance Frequency Analysis (RFA) in both the general paediatric population and patients with trisomy 21. Due to the availability of comparable data sets published previously from the same centre this thesis provides compelling evidence of how developments in implant design have directly impacted clinical outcomes in the paediatric population. In addition, it cross examines the usefulness of RFA in predicting fixture failures in the paediatric population and its feasibility in real-world application.

Finally, this thesis investigates the audiological outcomes and impact on quality of life of the novel adhesive retained bone conduction hearing system in children at its introduction in 2015 and again in 2019. This longitudinal review allows for analysis of paediatric patient compliance, conversion rates to alternative systems, skin complications and limitations with regards to its application in the paediatric setting.