By K. Boheim
Lately, equipment for coupling energetic implants to the center ear, around window or combos of passive heart ear prostheses have improved significantly. sufferer choice standards have extended from simply sensorineural listening to losses to conductive and combined listening to losses in difficult-to-treat ears. This ebook takes into account lately built tools in addition to units in present use. It starts off with a desirable and genuine historical past of lively heart ear implants, written via one of many major pioneers within the box. within the following chapters, prime scientists and clinicians speak about the proper issues in otology and audiology. remedies for sensorineural listening to loss, conductive and combined listening to losses, and effects on substitute coupling websites equivalent to the stapes footplate and the oval window also are lined, in addition to articles on candidacy and cost-effectiveness. This book is a needs to for ENT execs and surgeons looking for the newest wisdom on present learn and scientific functions of energetic center ear implants for every type of listening to loss.
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Additional info for Active Middle Ear Implants (Advances in Oto-Rhino-Laryngology, Vol. 69)
One subject died before the first fitting of the audio processor for reasons unrelated to implantation or device use and one was lost to follow-up. The remaining 12 subjects were 5 females and 7 males ranging in age from 31 to 73 years [mean = 51 (SD = 13) years]. Mean preoperative air and BC thresholds for the implanted ear are presented in figure 1a. Etiology of hearing loss included chronic otitis media (3 subjects), cholesteatoma (6 subjects), tympanosclerosis (2 subjects), and unknown reasons (1 subject).
Materials and Methods Subjects Fourteen German-speaking, healthy adult volunteers with conductive or mixed hearing loss were enrolled in the study. One subject died before the first fitting of the audio processor for reasons unrelated to implantation or device use and one was lost to follow-up. The remaining 12 subjects were 5 females and 7 males ranging in age from 31 to 73 years [mean = 51 (SD = 13) years]. Mean preoperative air and BC thresholds for the implanted ear are presented in figure 1a.
When preoperative data bars are not present, it is because subjects were unable to complete the task, and the data are labeled as ‘could not test’ (CNT). c Pre- and postoperative SNRs in dB SPL (A) for 50% correct recognition of words in sentences in a background of speech (OLSA) shaped noise presented at 60 dB SPL (A). Smaller, more negative numbers reflect better performance. Subjects were 12 adults with conductive or mixed hearing loss. The FMT of subject 3 was not properly in place in the RW niche at the time of data collection; however, the FMT was later repositioned and performance reportedly improved.