The evaluation of a surgery and the short-term benefits of a new active bone conduction hearing implant - the Osia®

Abstract

Introduction: Modern medicine offers a wide spectrum of different hearing devices, and bone conduction implants can be found among them. Objective: The presentation of the outcomes of the implantation of a new active bone conduction hearing implant --- the Osia®, and its comparison with the well-known passive transcutaneous system --- the Baha® Attract. Materials and methods: Eight adult patients with bilateral mixed hearing loss were randomly divided into two groups. Group 1 was implanted with the Osia®, and group 2 was implanted with the Baha® Attract. The details of the surgery were analyzed, along with the functional and audiological results. Results: In all the cases, the surgery was successful, and the healing uneventful. In both groups, it was observed that pure tone audiometry and speech audiometry in free field improved significantly after the implantation (mean gain in pure tone audiometry for the Osia group 42.8 dB SPL and for the Baha group 38.8 dB SPL). In the Osia group, the results after the surgery were much better than with the Baha® 5 Power processor on the Softband. The patients implanted with the Osia® evaluated the quality of their hearing as being superior to those implanted with the Baha® Attract. There was an evident improvement in the abbreviated profile of hearing aid benefit questionnaire and in the speech, spatial and qualities of hearing scale for both systems.