Key result
Autonomic stimulation via a cold pressor test significantly decreased all indices of cardiac baroreflex function, with baroreflex sensitivity showing the strongest and most consistent reduction.
Why the study?
How do different indices of cardiac baroreflex function derived from sequence analysis respond to autonomic stimulation via a cold pressor test?
Cross-Sectional (n=60)
How do different indices of cardiac baroreflex function derived from sequence analysis respond to autonomic stimulation via a cold pressor test?
p-value: p=<0.01
Baroreflex sensitivity derived from sequence analysis is the most sensitive parameter for quantifying changes in parasympathetic tone during autonomic stimulation.
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Supports prioritizing baroreflex sensitivity for parasympathetic assessment during autonomic stress; hypothesis-generating for clinical protocols.
Duschek et al. (2007) conducted a cross-sectional in Healthy normotensive (n=60). Autonomic stimulation (cold pressor test and warm-water exposure) vs. Baseline (rest) was evaluated on Changes in baroreflex sensitivity across experimental conditions (p=<0.01). Autonomic stimulation via a cold pressor test significantly decreased all indices of cardiac baroreflex function, with baroreflex sensitivity showing the strongest and most consistent reduction.
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