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Observational
Hemodynamic Effects of Positive Airway Pressure to Treat Supine Hypertension and Improve Neurogenic Orthostatic Hypotension
This study aims to learn about the effects of continuous positive airway pressure (CPAP) on people with autonomic failure and high blood pressure when lying do…
Autonomic FailurePure Autonomic FailureMultiple System Atrophy+3 more
Vanderbilt University Medical CenterNCT05489575
Observational
Impact of Decreased Venous Return on Supine Blood Pressure
Many persons with autonomic failure often have high blood pressure when lying down (supine hypertension). This study is exploring the impact of decreased venou…
Supine HypertensionAutonomic Failure
Vanderbilt University Medical CenterNCT04502225
Observational
Treatment of Supine Hypertension in Autonomic Failure With Continuous Positive Airway Pressure
Supine hypertension is a common problem that affects at least 50% of patients with primary autonomic failure. Supine hypertension can be severe and complicates…
Supine HypertensionAutonomic Failure
Vanderbilt University Medical CenterNCT03312556