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Haemodynamic and cerebrovascular effects of intermittent lower‐leg compression as countermeasure to orthostatic stress

What is the central question of this study? Does smartly timed intermittent compression of the lower legs alter cerebral blood velocity and oxygenation during acute orthostatic challenges? What is the main finding and its importance? Intermittent compression timed to the local diastolic phase increased the blood flux through the legs and heart after two different orthostatic stress tests. Cerebral blood velocity improved during the first minute of recovery, and indices of cerebral tissue oxygenation remained elevated for 2 min. These results provide promise for the use of lower‐leg active compression as a therapeutic tool for individuals vulnerable to initial orthostatic hypotension and orthostatic stress.