Hearing Results of Tympanoplasty with Ossiculoplasty Type III and IV

Tsukasa Ito, Hiroo Inamura, Tomoo Watanabe, Yasuhiro Abe, Masaru Aoyagi
2007 Otology Japan  
Three hundred and eighteen cases of ossiculoplasty using autografts and 3 types of ceramic ossicular prostheses, CORP, APACERAM and cartilage connecting APACERAM in 123 ears with chronic otitis media and 164 ears with middle ear cholesteatoma were evaluated. The recurrence of inflammation, splippage and extrusion of the materials used for ossiculoplasty and hearing success rate were analyzed. The hearing results were classified as successful when the postoperative hearing level met at least one
more » ... of these three conditions: 1) air bone gap less than 15dB, 2) hearing gain more than 15dB, 3) hearing level above 30dB.
doi:10.11289/otoljpn1991.17.9 fatcat:h4ocyyfy5zaxrkzq3c3oehfnam