Analisi spettrale dell'attività nervosa simpatica muscolare nell'uomo.

Translated title of the contribution: Spectral analysis of muscle sympathetic nerve activity in man

N. Montano, C. Cogliati, A. Porta

Research output: Contribution to journalArticle

Abstract

Recent applications of frequency domain analysis to the variability of muscle sympathetic nerve activity (MSNA) have improved the comprehension of the relationship between cardiovascular oscillations and the autonomic nervous system. It has been observed that spectral analysis of MSNA is characterized by two major oscillatory components at low (LF) and high (HF) frequencies, similar to those detectable in the variability of cardiovascular signals. Pharmacological and non-pharmacological studies have shown that, at least within the physiological range, the two MSNA rhythms show a reciprocal behavior, similar to that already observed for cardiovascular oscillations. The oscillatory pattern of MSNA provides non-redundant but complementary information with respect to the time domain measures of MSNA (burst rate and amplitude) since it has been shown that completely different spectral profiles may be derived from various MSNA recordings. On the other hand, the latter are instead comparable in terms of mass activity. Due to the intrinsic characteristics of the signal, which represents the direct outflow of the central neural structures of the cardiovascular autonomic nervous system, this approach can be considered as a unique window over the central organization of excitatory and inhibitory neural mechanisms responsible for the genesis and the regulation of cardiovascular oscillations.

Original languageItalian
Pages (from-to)491-497
Number of pages7
JournalItalian Heart Journal
Volume2
Issue number5 Suppl
Publication statusPublished - May 2001

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Muscles
Autonomic Nervous System
Pharmacology

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Analisi spettrale dell'attività nervosa simpatica muscolare nell'uomo. / Montano, N.; Cogliati, C.; Porta, A.

In: Italian Heart Journal, Vol. 2, No. 5 Suppl, 05.2001, p. 491-497.

Research output: Contribution to journalArticle

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