Aglaia Georgiou, Stefan Volkenstein, Pawis Mir-Salim, Ralf Siegert
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引用次数: 0
Abstract
Background: Bone conduction hearing systems are used for patients with conductive or combined hearing loss who cannot be adequately treated with air conduction hearing aids or surgery. These hearing systems can be surgically implanted or reversibly attached using bone conduction eyeglasses or a rigid or soft headband. A nonsurgical and pressure-free alternative is fixation via an adhesive plate.
Objective: The aim of this study was to compare the energy transferred from the hearing aid to the mastoid when attached via a new adhesive plate versus via a soft headband. In addition, the comfort and the durability of the adhesive plate was evaluated.
Materials and methods: A total of 30 subjects were tested. The transferred energy was measured by accelerometer, which recorded the sound energy at the maxillary teeth. Wearing comfort, fixation duration (until plate becomes loose), and the skin reaction were examined using a questionnaire after the subjects had worn the adhesive plate with and without hearing aid for a maximum of 7 days. The skin reaction was also assessed clinically.
Results: There was a significant difference in the transferred energy in favor of the soft headband at 0.5, 1, and 2 kHz. On the other hand, there was a high level of satisfaction and acceptance regarding the aesthetics and the wearing time of the adhesive plate, without skin irritations.
Conclusion: The difference in the transferred energy up to 2 kHz is probably due to the lack of pressure from the adhesive plate. This could possibly be compensated after appropriate adjustment of the speech processor. Based on the positive properties of the adhesive plate in terms of comfort, it could be used as an alternative to the soft headband.
期刊介绍:
HNO is an internationally recognized journal and addresses all ENT specialists in practices and clinics dealing with all aspects of ENT medicine, e.g. prevention, diagnostic methods, complication management, modern therapy strategies and surgical procedures.
Review articles provide an overview on selected topics and offer the reader a summary of current findings from all fields of ENT medicine.
Freely submitted original papers allow the presentation of important clinical studies and serve the scientific exchange.
Case reports feature interesting cases and aim at optimizing diagnostic and therapeutic strategies.
Review articles under the rubric ''Continuing Medical Education'' present verified results of scientific research and their integration into daily practice.