Why the study?
Does the spectral power of low frequency oscillations of systolic arterial pressure reliably correlate with muscle sympathetic nerve activity within individuals during sympathetic activation?
Population
Humans (n = 20)
Design
Other
Authors
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Caution against SAP(LF) as individual MSNA surrogate; challenges its validity and leaves open prospective validation.
Does the spectral power of low frequency oscillations of systolic arterial pressure reliably correlate with muscle sympathetic nerve activity within individuals during sympathetic activation?
Low frequency oscillations in arterial pressure do not reliably reflect muscle sympathetic nerve activity within individual subjects during sympathetic activation, challenging its use as a non-invasive surrogate.
Ryan et al. (2011) studied this question.
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