Prevalence of Positional Nystagmus in a Population of Healthy Adults

Aalborg University Hospital

Status: Completed

Conditions: Positional Nystagmus; Healthy Volunteers

Treatments: Diagnostic Test: Examinations in a TRV chair

Study type: Observational

Funder types: Other

Identifiers

NCT05554770

F2022-081 (Registry Identifier)

N-20220034

Details and patient eligibility

About

To investigate the prevalence of positional nystagmus in a population of healthy Danish adults.

Full description

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.

Enrollment: 78 patients

Sex: All

Ages: 18+ years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• • 18 years

Exclusion criteria

• 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