Why the study?
Does 60° head-up tilt alter open- and closed-loop dynamic cardiac baroreflex gains in healthy men?
Does 60° head-up tilt alter open- and closed-loop dynamic cardiac baroreflex gains in healthy men?
Open-loop cardiac baroreflex gain is enhanced during orthostatic stress, suggesting that spontaneous closed-loop analyses may not accurately represent baroreflex characteristics under these conditions.
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Closed-loop baroreflex analyses may underestimate gain during orthostasis; leaves open whether open-loop measures better inform clinical baroreflex assessment in patients.
AKIMOTO et al. (2011) studied this question.
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