Why the study?
Does baseline arterial baroreflex function differ between older adults with and without a neurocardiovascular response to orthostatic stress?
Population
42 older adults (mean age 70.3+/-0.7 yr) evaluated for neurocardiogenic syncope.
Comparison
Presence of a neurocardiovascular response to… vs Absence of a neurocardiovascular response to…
Design
Cross-sectional
Authors
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May link baroreflex hypersensitivity to orthostatic vulnerability in older adults; leaves open causal role and need for prospective validation.
Does baseline arterial baroreflex function differ between older adults with and without a neurocardiovascular response to orthostatic stress?
Older adults with neurocardiogenic syncope exhibit exaggerated baseline arterial baroreflex sensitivity, providing insight into the pathophysiological mechanisms of syncope in this population.
Madden et al. (2009) studied this question.
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