Key result
Low-intensity cycling exercise did not significantly alter the gain of the aortic-cardiac reflex during phenylephrine infusion compared to rest (1.15 vs 1.10 beats/min/mmHg).
Why the study?
Does low-intensity cycling exercise alter the aortic-cardiac reflex in healthy volunteers?
Population
10 healthy volunteers
Comparison
Low-intensity cycling exercise with… vs Supine rest with phenylephrine infusion and…
Design
Other
Authors
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Should not yet alter exercise guidance; leaves open intensity- or disease-specific effects on baroreflex gain.
Does low-intensity cycling exercise alter the aortic-cardiac reflex in healthy volunteers?
Absolute Event Rate: 1.15% vs 1.1%
p-value: p=not statistically different
Low-intensity dynamic exercise does not significantly alter the gain of the aortic-cardiac reflex in healthy volunteers.
Shi et al. (1995) studied Healthy volunteers (n=10). Low-intensity cycling exercise vs. Rest was evaluated on Gain of the aortic-cardiac reflex (delta HR/delta MAP) (p=not statistically different). Low-intensity cycling exercise did not significantly alter the gain of the aortic-cardiac reflex during phenylephrine infusion compared to rest (1.15 vs 1.10 beats/min/mmHg).
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