Cochlear Implantation After Gamma Knife Radiosurgery with EABR and Correlation to Postoperative Hearing Results - a Pilot Study
试验速览
- 阶段
- 不适用
- 状态
- 招募中
- 发起方
- 入组人数
- 8
- 试验地点
- 1
- 主要终点
- eABR correlation
研究概览
简要总结
Patients undergoing cochlear implantation after radio surgery for vestibular schwannoma will be included in the study. Patients will undergo preoperative and intraoperative eABR measurement. Correlations to postoperative hearing results will be drawn.
详细描述
Patients treated with radio surgery for vestibular schwannoma often suffer from hearing loss. Especially when the contralateral side has progressive hearing loss assessment if cochlear implantation is feasible, should be carried out. Patients undergo extensive audiometric testing. Additionally, patients will undergo preoperative eABR. Intraoperatively eABR is carried out and cochlear implantation is performed. The eABR results will be correlated with postoperative hearing. EABR measurements are not part of the study. The results of eBAR will be categorized in three groups (good response, weak response and no response). The eABR results will then be correlated to speech understanding with cochlear implants measured with Freiburger monosyllables test.
研究设计
- 研究类型
- Observational
- 观察模型
- Other
- 时间视角
- Prospective
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Patients who have undergone radio surgery for vestibular schwannoma
- •Patients wanting cochlear implantation for hearing rehabilitation
排除标准
- •Patients not wanting to participate in the study
结局指标
主要结局
eABR correlation
时间窗: 2 years
eABR is correlated with postoperative hearing results eABR will be divided in three categories - good response, weak response, no response Hearing results will be measured with speech understanding in Freiburg monosyllables word test which is measured in % of monosyllables understanding at 65 and 80dB
次要结局
未报告次要终点
研究者
Christoph Arnoldner
Assoc Prof PD. Dr.
Medical University of Vienna