Key result
Delayed orthostatic hypotension (>3 minutes) occurred in 54% of patients with OH and was associated with milder abnormalities of sympathetic adrenergic function.
Why the study?
What is the prevalence and clinical significance of delayed orthostatic hypotension in patients undergoing tilt table testing?
Population
230 patients undergoing tilt table testing
Design
Cross-sectional
Authors
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May warrant prolonged tilt testing to capture milder sympathetic failure; leaves open prognostic value in autonomic disorders.
Observational (n=230)
What is the prevalence and clinical significance of delayed orthostatic hypotension in patients undergoing tilt table testing?
Delayed orthostatic hypotension is common (accounting for 54% of OH cases) and appears to represent a mild or early form of sympathetic adrenergic failure.
Gibbons et al. (2006) conducted an observational in Orthostatic hypotension (n=230). Head-up tilt testing and standing was evaluated on Prevalence of delayed orthostatic hypotension (>3 minutes). Delayed orthostatic hypotension (>3 minutes) occurred in 54% of patients with OH and was associated with milder abnormalities of sympathetic adrenergic function.
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