For a child with bilateral atresia, are two bone anchored processors implanted if one device will stimulate both ears?
Answer
That is a great question. A device on one side will, to some degree, stimulate the opposite cochlea. Bilateral implantation and a promise of bilateral hearing is reserved for patients who have relatively symmetrical bone conduction thresholds between the two ears. The problem with implanting just on one side is that the sound is going to favor the ear that it is closer to. We do get attenuation in this case as we would with single sided deafness (SSD), because the sound signal has to travel from the side of the implanted ear to the opposite cochlea. It is not going to reach the opposite cochlea to the same degree. We would definitely suggest using two devices, obviously on a soft band before implantation if possible, and then implant two devices.
Jaime is an Audiological Trainer and Supporter based at Oticon Medical within Oticon Headquarters in Smørum Denmark. She is originally from Canandaigua, NY and received her Au.D. from the State University of New York at Buffalo in 2011. Prior to working with Oticon Medical, she was an audiologist at Clifton Springs Hearing Center, southeast of Rochester, New York. She was raised in Tokyo, Japan, and was eager to return to the international community after completing her degree- she now develops and provides trainings for internal salespeople and supports customers worldwide.
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