Prevalence of Positional Nystagmus in a Population of Healthy Adults
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 78
- 试验地点
- 1
- 主要终点
- Prevalence of positional nystagmus
研究概览
简要总结
To investigate the prevalence of positional nystagmus in a population of healthy Danish adults.
详细描述
Open-label, cross-sectional prospective study examining the prevalence of positional nystagmus in healthy adults (adult with no previous or current inner ear disease) using a mechanical repositioning chair (TRV-chair, Interacoustics, Middelfart, Denmark). Patients will undergo traditional testing related to positional nystagmus by means of both the Dix-Hallpike test and Supine Roll Test (SRT) bilaterally. Latency, duration, and slow phase velocities will be registered and examiner as well as order of the positional tests performed with the TRV chair will be block randomized.
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
- 是
入选标准
- •+ 18 years
排除标准
- •Previous or current BPPV, inner ear disease, other ear conditions or neurological conditions
- •Reduced eye mobility
- •Alcohol consumption within 48 hours
- •Weight > 150 kg.
- •Known cerebral aneurysm
- •Cerebral haemorrhage within 1 month
- •Trouble cooperating during examinations
- •DHI-score > 14
结局指标
主要结局
Prevalence of positional nystagmus
时间窗: 2 years
Number of subjects presenting with positional nystagmus during specific changes of head positions.
次要结局
- Characteristics of positional nystagmus(2 years)
研究者
Dan Dupont Hougaard
MD, Associate Professor
Aalborg University Hospital