Resonance frequency analysis of osseo-integrated implants for bone conduction in a pediatric population - a novel approach for assessing stability for early loading.

Objectives: The purpose of our study was to directly measure the stability of a bone anchored hearing device (BAHD) abutment using resonance frequency analysis (RFA) in a pediatric population. RFA was used to guide early loading of the abutment following single stage surgery.

Methods: The principle behind RFA is to obtain a numerical value relating to stability.

Evidence for early loading of osseointegrated implants for bone conduction at 4 weeks.

Introduction: The purpose of our study was to directly measure the stability of the abutment using resonance frequency analysis (RFA) and to report on the change in stability over time for implants loaded 4 weeks postoperatively.

Materials And Methods: The principle behind RFA is to obtain a numerical value relating to stability. The Osstell RFA recording device measures the resonance in a magnetic field of a 1 cm commercially manufactured attachment (SmartPeg) that is screwed onto the bone conduction device abutment.

Quality-of-life considerations in treatment of unresectable, recurrent head and neck cancer.

Recurrent, unresectable head and neck squamous cancer is a complex problem. Evidence for the efficacy of treatment is scant in this area and given the large number of patient and tumor variables involved in the recurrent tumor, several factors play a role in deciding the choice of management. The results of treatment are very poor and associated with significant toxicity.

Bone-anchored hearing aid: comparison of benefit by patient subgroups.

Objectives/hypothesis: The osseointegrated bone-anchored hearing aid, using the Branemark system, is well established and has proven benefit. The aim was to study quality of life benefits within patient subgroups using the validated Glasgow Benefit Inventory (GBI).

Study Design: Retrospective questionnaire study.