Key result
Active orthostatic stress in healthy young men elicited several types of responses in cerebral and central hemodynamics.
Why the study?
How do central and cerebral hemodynamics respond to active orthostasis in healthy young men?
Observational (n=28)
How do central and cerebral hemodynamics respond to active orthostasis in healthy young men?
Active orthostasis elicits heterogeneous cerebral and central hemodynamic responses in healthy young men.
Answers are grounded in this paper and cite their sources.
Heterogeneous responses in healthy men warrant no clinical protocol changes; leaves open relevance to patients with autonomic or cardiovascular disease.
Regular trends in changes in cerebral and central hemodynamics were studied in 28 healthy men aged 20–26 years during active orthostatic stress. The hemodynamic parameters of the blood flow in the middle cerebral artery (MCA), systemic hemodynamics, and parameters of pulmonary ventilation were recorded simultaneously for 10 min while a subject was in a horizontal position and for the same period after the position had been changed to vertical (active rising). In healthy subjects, several types of responses of cerebral and central hemodynamics were detected during active orthostasis.
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Н. В. Заболотских (2008) conducted an observational in Healthy (n=28). Active orthostatic stress (active rising) vs. Horizontal position (baseline) was evaluated on Changes in cerebral and central hemodynamics. Active orthostatic stress in healthy young men elicited several types of responses in cerebral and central hemodynamics.
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