Trial reportActa clinica Croatica2022
COMPARISON OF HEARING OUTCOMES AFTER STAPES SURGERY DEPENDING ON PROSTHESIS TYPE: A RETROSPECTIVE ANALYSIS.
Trial report in Acta clinica Croatica, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors at 1 institution in 1 country.
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Abstract
Stapes surgery is generally performed to treat otosclerosis, and there are numerous surgical techniques and prosthesis materials available. Critical evaluation of postoperative hearing outcomes is crucial for identification and further improvement of treatment options. This study is a non-randomized retrospective analysis of hearing threshold levels before and after stapedectomy or stapedotomy in 365 patients during a twenty-year period. The patients were classified into three groups depending on the prosthesis and surgery type: stapedectomy with Schuknecht prosthesis placement and stapedotomy with either Causse or Richard prosthesis. The postoperative air-bone gap (ABG) was calculated by subtracting the bone conduction pure tone-audiogram (PTA) from the air conduction PTA. Hearing threshold levels were evaluated preoperatively and postoperatively from 250 Hz to 12 kHz. The results showed air-bone gap reduction <10 dB in 72% patients, 70% of patients, and 76% of patients using Schucknecht's prosthesis, Richard prosthesis, and Causse prosthesis, respectively. The results did not differ significantly between three prothesis types. Choice of prosthesis should be made individually for each patient, but surgeon competency is still the most important outcome variable, regardless of prosthesis type.
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