window effects
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2021 ◽  
Vol 17 (2) ◽  
pp. 156-161
Author(s):  
Ichiro Ota ◽  
◽  
Masaharu Sakagami ◽  
Tadashi Kitahara ◽  
◽  
...  
Keyword(s):  


2019 ◽  
Vol 8 (8) ◽  
pp. 1182 ◽  
Author(s):  
Bae ◽  
Shim ◽  
Choi ◽  
Kim ◽  
Koo ◽  
...  

Background and Objectives: We aimed to identify prognostic computed tomography (CT) findings in retrofenestral otosclerosis, with particular attention paid to the role of otosclerotic lesion area in predicting post-stapedotomy outcome. Materials and Methods: We included 17 subjects (23 ears) with retrofenestral otosclerosis who underwent stapedotomy. On preoperative CT, the presence of cavitating lesion and involvement of various subsites (cochlea, round window [RW], vestibule, and semicircular canal) were assessed. Pre- and post-stapedotomy audiometric results were compared according to the CT findings. The surgical outcomes were analyzed using logistic regression with Firth correction. Results: Cavitating lesions were present in 15 of 23 ears (65.2%). Involvement of the RW was the strongest predictor of unsuccessful surgical outcome, followed by involvement of the internal auditory canal (IAC) and the cochlea. Conclusions: RW and IAC involvement in retrofenestral otosclerosis were shown to predict unsuccessful outcomes. While a “third window” effect caused by extension of a cavitating lesion into the IAC may dissipate sound energy and thus serve as a barrier to desirable postoperative audiological outcome, a “single window” effect due to an extension of retrofenestral otosclerosis into the RW may preclude a good surgical outcome, even after successful stapedotomy, due to less compressible cochlear fluid and thus decreased linear movement of the piston.





2018 ◽  
Vol 111 (9) ◽  
pp. 587-592
Author(s):  
Tadashi Kitahara ◽  
Masaharu Sakagami
Keyword(s):  




Author(s):  
Theo Smedes ◽  
Wolfgang Scheucher ◽  
Dolphin Abessolo-Bidzo
Keyword(s):  




2015 ◽  
Vol 119 (33) ◽  
pp. 19236-19243 ◽  
Author(s):  
A. Luna-Triguero ◽  
J. M. Vicent-Luna ◽  
D. Dubbeldam ◽  
P. Gómez-Álvarez ◽  
S. Calero
Keyword(s):  




Author(s):  
Xile Wei ◽  
Bingjie Li ◽  
Meili Lu ◽  
Jiang Wang ◽  
Bin Deng ◽  
...  


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