Key result
Upright posture significantly increased plasma angiotensin II concentrations at 10 minutes, with active walking causing a more marked initial rise than passive tilting.
Why the study?
Does short-term upright posture affect plasma angiotensin II concentrations in healthy volunteers?
Observational
Does short-term upright posture affect plasma angiotensin II concentrations in healthy volunteers?
Short-term upright posture significantly increases plasma angiotensin II after 10 minutes, suggesting it is linked to later blood volume maintenance rather than immediate blood pressure regulation upon standing.
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No practice change indicated for BP management; leaves open angiotensin II's precise role in postural regulation.
Kala et al. (1974) conducted an observational in Healthy volunteers. Upright posture (active and passive) vs. Supine posture was evaluated on Plasma angiotensin II concentration. Upright posture significantly increased plasma angiotensin II concentrations at 10 minutes, with active walking causing a more marked initial rise than passive tilting.
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