Effects of 24-h modulation of baroreflex sensitivity on blood pressure variability

M. Di Rienzo, P. Castiglioni, G. Parati, A. Frattola, G. Mancia, A. Pedotti

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Blood pressure variability was found to follow a 1/f behaviour. Aim of our study was to verify whether this phenomenon was associated with a concomitant 1/f modulation of the baroreflex sensitivity. In 8 ambulant subjects, systolic blood pressure and pulse interval were continuously monitored for 24 hours and jointly analysed by a sequential procedure to obtain a dynamic estimation of baroreflex sensitivity over day and night. A single spectrum was estimated via FFT from each 24-h sensitivity profile and the presence of the 1/f pattern was evaluated by fitting such a spectrum by a 1/f curve. Our results indicate that the baroreflex sensitivity is characterised by marked and systematic short and long-term changes actually following a 1/f behaviour.

Original languageEnglish
Title of host publicationComputers in Cardiology
PublisherPubl by IEEE
Pages551-554
Number of pages4
ISBN (Print)0818654708
Publication statusPublished - 1993
EventProceedings of the 1993 Conference on Computers in Cardiology - London, UK
Duration: Sep 5 1993Sep 8 1993

Other

OtherProceedings of the 1993 Conference on Computers in Cardiology
CityLondon, UK
Period9/5/939/8/93

ASJC Scopus subject areas

  • Software
  • Cardiology and Cardiovascular Medicine

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  • Cite this

    Di Rienzo, M., Castiglioni, P., Parati, G., Frattola, A., Mancia, G., & Pedotti, A. (1993). Effects of 24-h modulation of baroreflex sensitivity on blood pressure variability. In Computers in Cardiology (pp. 551-554). Publ by IEEE.