Stapes surgery for congenital stapes fixation in children

Fujii Soichiro, Ohta Yumi, Sato Takashi, Kamakura Takefumi, Morihana Tetsuo, Inohara Hidenori

doi:10.11374/shonijibi.43.291

<p>We studied 17 ears in 14 patients who underwent stapes surgery for congenital ossicular malformations at the Department of Otolaryngology, Head and Neck Surgery, Osaka University Hospital from April 2012 to December 2020. The ages ranged from 3 to 13 years, and there were 8 males and 10 ears, and 6 females and 7 ears (both ears: 3 cases). According to Funasaka’s classification, multifocal malformations accounted for about half of the cases. The pistons which we used were Teflon Wire Pistons (TWP) in 8 ears, Teflon Pistons (TP) in 5 ears, and Malleus Attachment Pistons (MAP) in 4 ears. At 6 months after surgery, 94% of the patients were successful according to the criteria of the Oto-Rhino-Laryngological Society of Japan, and 48% were within 10 dB of the air-bone gap. The success rates are good, but the hearing results were inferior to those of otosclerosis in our department. The air-bone gap was significantly greater for multifocal than monofocal, and for MAP than TWP/TP, suggesting that a higher percentage of patients who had other malformations, such as malformation of the incus, fixation of the malleus and incus, and that a higher rate of MAP use.</p>

Stapes surgery for congenital stapes fixation in children

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