Sleep-dependent changes in the coupling between heart period and blood pressure in human subjects

Alessandro Silvani, Daniela Grimaldi, Stefano Vandi, Giorgio Barletta, Roberto Vetrugno, Federica Provini, Giulia Pierangeli, Chiara Berteotti, Pasquale Montagna, Giovanna Zoccoli, Pietro Cortelli

Research output: Contribution to journalArticlepeer-review

Abstract

We investigated whether in human subjects, the pattern of coupling between the spontaneous fluctuations of heart period (HP) and those of systolic blood pressure (SBP) differs among wake-sleep states. Polysomnographic recordings and finger blood pressure measurements were performed for 48 h in 15 nonobese adults without sleep-disordered breathing. The cross-correlation function (CCF) between the fluctuations of HP and SBP at frequencies

Original languageEnglish
JournalAmerican Journal of Physiology - Regulatory Integrative and Comparative Physiology
Volume294
Issue number5
DOIs
Publication statusPublished - May 2008

Keywords

  • Baroreflex
  • Central autonomic commands
  • Cross-correlation analysis
  • Feedback and feed-forward mechanisms
  • Sequence technique

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)

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