Why the study?
Do patients with syncope and poor orthostatic tolerance have increased baroreflex latency compared to healthy controls during orthostatic stress?
Population
n=30
Comparison
20 min 60 degree head-up tilt following a 20 min… vs Healthy controls undergoing the same protocol
Design
Case-control
Authors
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Increased baroreflex latency may impair orthostatic BP control in syncope; hypothesis-generating and requires prospective validation.
Do patients with syncope and poor orthostatic tolerance have increased baroreflex latency compared to healthy controls during orthostatic stress?
Patients with vasovagal syncope and poor orthostatic tolerance exhibit increased baroreflex latency, which may contribute to inadequate blood pressure control and predispose to syncope.
Gulli et al. (2005) studied this question.
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