Audiologic and Subjective Evaluation of Baha® Attract Device

Publication date: November–December 2017
Source:Acta Otorrinolaringologica (English Edition), Volume 68, Issue 6
Author(s): Tomàs Pérez-Carbonell, Ignacio Pla-Gil, Jaume Redondo-Martínez, Antonio Morant-Ventura, Francisco Javier García-Callejo, Jaime Marco-Algarra
We included 9 patients implanted with Baha^® Attract. All our patients were evaluated by free field tonal audiometry, free field verbal audiometry and free field verbal audiometry with background noise, all the tests were performed with and without the device. To evaluate the subjective component of the implantation, we used the Glasgow Benefit Inventory (GBI) and Abbreviated Profile of Hearing Aid Benefit (APHAB).The auditive assessment with the device showed average auditive thresholds of 35.8dB with improvements of 25.8dB over the previous situation. Speech reception thresholds were 37dB with Baha^® Attract, showing improvements of 23dB. Maximum discrimination thresholds showed an average gain of 60dB with the device.Baha^® Attract achieves auditive improvements in patients for whom it is correctly indicated, with a consequent positive subjective evaluation. This study shows the attenuation effect in transcutaneous transmission, that prevents the device achieving greater improvements.



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