Chronic Orthostatic Intolerance, Postural Tachycardia Syndrome
Conditions
Keywords
postural tachycardia syndrome, sleep, insomnia
Brief summary
We wish to study sleep architecture in patients with chronic orthostatic intolerance. We will test the null hypothesis that there is no difference in time during the various phases of sleep between patients and healthy control subjects.
Interventions
PROCEDUREPolysomnography
Overnight Sleep Study
Sponsors
National Center for Research Resources (NCRR)
Satish R. Raj
Study design
Observational model
COHORT
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
Yes
Inclusion criteria
* diagnosed with chronic orthostatic intolerance (or healthy subject)
Exclusion criteria
* overt cause or acute orthostatic intolerance * pregnancy or lactation
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Duration of sleep | 1 night |
Secondary
| Measure | Time frame |
|---|---|
| Time in individual phases of sleep | 1 night |
| sleep latency | 1 might |
Countries
United States
Outcome results
None listed