[Efficacy of implants in stapedoplasty].
Stapedoplasty efficacy was compared in use of one of the following implants: Shea, Schuknecht and K-piston. Two stapedoplasty techniques were also compared: stapedectomy and stapedotomy. The analysis of 279 cases of tympanic and mixed otosclerosis shows that the greatest number of complications (neurosensory hypoacusis, deafness, postoperative tympanic granulomas) occurred in use of Shea prosthesis (200 implantations) both in stapedectomy and stapedotomy. Schuknecht (n=56) and K-piston (n=23) implants caused no complications. Postoperative audiological examination showed better functional results in patients treated with stapedotomy (98%) versus stapedectomy (92%).
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D000328:Adult; D001299:Audiometry; D003054:Cochlear Implants; D005260:Female; D005500:Follow-Up Studies; D006309:Hearing / Q000502:physiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010040:Otosclerosis / Q000503:physiopathology / Q000601:surgery*; D011474:Prosthesis Design; D013201:Stapes Surgery / Q000379:methods*; D013997:Time Factors; D016896:Treatment Outcome