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Download Active Middle Ear Implants (Advances in by K. Boheim PDF

By K. Boheim

ISBN-10: 3805594712

ISBN-13: 9783805594714

In recent times, equipment for coupling energetic implants to the center ear, around window or combos of passive center ear prostheses have stepped forward significantly. sufferer choice standards have improved from basically sensorineural listening to losses to conductive and combined listening to losses in difficult-to-treat ears. This ebook takes into account lately constructed tools in addition to units in present use. It starts with a desirable and real historical past of energetic center ear implants, written through one of many major pioneers within the box. within the following chapters, major scientists and clinicians talk about the suitable issues in otology and audiology. remedies for sensorineural listening to loss, conductive and combined listening to losses, and effects on replacement coupling websites reminiscent of the stapes footplate and the oval window also are coated, in addition to articles on candidacy and cost-effectiveness. This ebook is a needs to for ENT pros and surgeons searching out the most recent wisdom on present learn and scientific purposes of lively center ear implants for every type of listening to loss.

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Extra resources for Active Middle Ear Implants (Advances in Oto-Rhino-Laryngology, Vol. 69)

Example text

Hearing performance measures were used to evaluate efficacy. 5–4 kHz. These values agree with functional gain and amplification recommendations to achieve good speech recognition performance even in the presence of background noise [16]. It is important to consider that functional gain is dependent on the fitting parameters used to program the device, as well on the hearing requirements of the individual listener. This study is also in good agreement with previous VSB data from 53 subjects with sensorineural hearing loss in whom the FMT was placed on the ossicular chain [14].

Conductive and mixed hearing losses typically result from pathologies such as acute and chronic otitis media, cholesteatoma, otitis externa, congenital atresia, otosclerosis, tympanosclerosis, and stenosis of the ear canal. A number of medical and surgical treatment options exist to stabilize the ear and improve hearing. Which is used depends on the severity of the pathology, prognosis for improvement, and hearing status. In mild cases with a good prognosis for quick recovery, medications or simple surgical procedures may be sufficient.

17 Junker R, Gross M, Todt I, Ernst A: Functional gain of already implanted hearing devices in patients with sensorineural hearing loss of varied origin and extent: Berlin experience. Otol Neurotol 2002; 23: 452–456. 18 Wyatt JR, Niparko JK, Rothman M, deLissovoy G: Cost utility of the multichannel cochlear implants in 258 profoundly deaf individuals. Laryngoscope 1996;106:816–821. 19 Lamden KH, St Leger AS, Raveglia J: Hearing aids: value for money and health gain. J Public Health Med 1995;17:445–449.

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