Why the study?
Does cardiac vagal blockade with glycopyrrolate alter carotid baroreflex control of blood pressure during head-up tilt in healthy young subjects?
Population
9 healthy young subjects
Comparison
Glycopyrrolate for full cardiac vagal blockade… vs Without glycopyrrolate (baseline state)
Design
Other
Authors
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Vagal blockade spares carotid baroreflex BP control during tilt; supports sympathetic primacy in postural BP maintenance and leaves open vagal contributions elsewhere.
Does cardiac vagal blockade with glycopyrrolate alter carotid baroreflex control of blood pressure during head-up tilt in healthy young subjects?
The maintenance of arterial blood pressure during postural stress is primarily mediated by arterial and cardiopulmonary reflex regulation of sympathetic activity rather than carotid-cardiac baroreflex function.
Ogoh et al. (2006) studied this question.
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