中华耳科学杂志2016，Vol.14Issue(5)：620-624,5.DOI:10.3969/j.issn.1672-2922.2016.05.013
开放式乳突根治术后患者人工耳蜗植入
Cochlear Implantation after Canal Wall Down Mastoidectomy
摘要
Abstract
Objective To report methods and hearing outcomes of cochlear implantation in patients with severe or pro-found hearing loss who had received canal wall down mastoidectomy. Methods Five patients who had undergone canal wall down mastoidectomy from January 2014 to June 2015 received cochlear implantation through the round window with the bone groove made at the junction of inferior external auditory canal wall and facial ridge and the outer electrodes covered with bone paste and temporalis fascia. Surgical techniques and hearing rehabilitation outcomes at 6 months, such as CAP, SIR, MAIS and M-LNT, were reviewed. Results Implantation was successful in all 5 cases. Intraoperative findings included attic cholesteatoma (n=1) and ossified tissues in scala tympani (n=3). Patients reported clear auditory perception upon co-chlear implant switch-on at 30 days after operation. At 12 months (n=3) or 6 months (n=1) follow up, patients expressed sat-isfaction with the treatment. One case was lost to follow up. No complication occurred. Conclusion Patients with severe or profound hearing loss who have received canal wall down mastoidectomy can still be candidates for cochlear implantation once their ears stopped discharging, with the opportunity to achieve satisfactory hearing outcomes. Because of likely distort-ed anatomy, a skilled surgeon may be needed to avoid electrode implantation failure due to possible difficulties to find round window or identifying ossified scale tympani during surgery.关键词
开放式乳突根治术/人工耳蜗植入Key words
Canal wall down mastoidectomy/Cochlear implantation分类
医药卫生引用本文复制引用
王振晓,王林娥,龚树生,高芬琦..开放式乳突根治术后患者人工耳蜗植入[J].中华耳科学杂志,2016,14(5):620-624,5.基金项目
北京市卫生系统高层次卫生技术人才培养计划-学科骨干（2013-3-063）基金项目北京市卫生系统高层次卫生技术人才培养计划-学科骨干 （）
