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@inproceedings{592470, author = {Krtička, Antonín and Fišer, Bohumil and Honzíková, Nataša and Nováková, Zuzana and Moudr, Jiří}, address = {Praha}, booktitle = {European Medical and Biological Engineering Conference EMBEC 05}, edition = {1}, keywords = {Baroreflex sensitivity; spectral analysis}, language = {cze}, location = {Praha}, pages = {CD-ROM 1411.pdf}, publisher = {IFMBE}, title = {Frequency of the blood pressure spectral peak around 0.1 Hz and baroreflex sensitivity in man}, year = {2005} }
TY - JOUR ID - 592470 AU - Krtička, Antonín - Fišer, Bohumil - Honzíková, Nataša - Nováková, Zuzana - Moudr, Jiří PY - 2005 TI - Frequency of the blood pressure spectral peak around 0.1 Hz and baroreflex sensitivity in man PB - IFMBE CY - Praha KW - Baroreflex sensitivity KW - spectral analysis N2 - According to the mathematical model of the vascular component of baroreflex, the gain of the heart-rate baroreflex sensitivity (BRS) positively correlates with the resonance frequency of the peak in the range of 0.05 - 0.15 Hz. In this study the relationship between BRS and the frequency of the peak in blood-pressure (BP) spectra around 0.1Hz was evaluated 58 subjects at rest and during exercise. A positive correlation between the frequency of the peak in BP-spectra around 0.1 Hz and BRS was confirmed during exercise and during the recovery period respectively. At rest this correlation was not found. This could be explained by the role of autonomic nerves in blood-pressure and heart-rate regulation. BRS mainly corresponds to the gain of parasympathetic activity, which is high at rest. Sympathetic activity, which determines vascular resistance, dominates during exercise. ER -
KRTIČKA, Antonín, Bohumil FIŠER, Nataša HONZÍKOVÁ, Zuzana NOVÁKOVÁ and Jiří MOUDR. Frequency of the blood pressure spectral peak around 0.1 Hz and baroreflex sensitivity in man. In \textit{European Medical and Biological Engineering Conference EMBEC 05}. 1st ed. Praha: IFMBE, 2005, p.~CD-ROM 1411.pdf, 5 pp. ISSN~1727-1983.
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