Fixed vs Measured Length of Stapes Prosthesis in Stapes Surgery
INDIAN JOURNAL OF OTOLARYNGOLOGY AND HEAD & NECK SURGERY(2021)
Abstract
Aims The aim of this study is to assess the relationship between the prosthesis length and the outcome of the primary stapes surgery in patients with otosclerosis. Material and Methods This was a retrospective cohort study. We reviewed medical records of 218 patients between January 2015 and August 2020 in two different referral centers. It was conducted in two hospitals by two different well experienced otologic surgeons that one of them believes in fixed length (4.75 mm) of stapes prosthesis (group A) and, the other one believes in measuring the distance between the footplate and incus long process to choose the proper length of prosthesis (group B). The surgery success rates and complications between these two groups were compared 3 months postoperatively. Results Mean age, preoperative bone conduction (BC) audiometric threshold and air-bone gap, postoperative BC and air-bone gap were similar in both groups (All p > 0.05). Vertigo frequency was not significantly different between the two groups ( p = 0.303). There were no significant differences regarding the number of favorable postoperative outcomes between group A and B (70 (97.2%) vs. 142(97.3%) respectively) ( p = 0.632). Conclusion This study found no significant difference regarding the hearing outcomes between fixed length vs measured length of stapes prosthesis.
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Key words
Stapes surgery, Otosclerosis, Prosthesis fitting, Stapes prosthesis
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