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@proceedings{813537, author = {Honzíková, Klára and Hrstková, Hana and Šťastná, Jana and Nováková, Zuzana and Honzíková, Nataša and Fišer, Bohumil and Závodná, Eva and Krtička, Antoín and Honzík, Petr}, booktitle = {17th Meeting of ES-PCR}, keywords = {baroreflex sensitivity; blood pressure variability}, language = {eng}, title = {EFFECT OF BAROREFLEX ON BLOOD PRESSURE VARIABILITY}, year = {2008} }
TY - CONF ID - 813537 AU - Honzíková, Klára - Hrstková, Hana - Šťastná, Jana - Nováková, Zuzana - Honzíková, Nataša - Fišer, Bohumil - Závodná, Eva - Krtička, Antoín - Honzík, Petr PY - 2008 TI - EFFECT OF BAROREFLEX ON BLOOD PRESSURE VARIABILITY KW - baroreflex sensitivity KW - blood pressure variability N2 - We studied 58 subjects (20-22 years). Systolic and diastolic blood pressures (SBP, DBP) and inter-beat intervals (IBI) were recorded beat-to-beat for 5 min (Finapres). BRS, and BRSf were determined by the spectral method at 0.1 Hz frequency range. To make a comparison of the quantitative effects of BRS and BRSf on SBPv possible, both variables were expressed as multiples of standard deviations: BRSsd = (BRS – mean BRS) / SD of BRS; BRSfsd = (BRSf – mean BRSf) / SD of BRSf. A negative correlation was found between SBPv and BRSsd (r = - 0.33, p<0.05), and between SBPv and BRSfsd (r = - 0.36, p<0.05). The multiple regression analysis showed higher regression coefficient of BRSfsd than of BRSsd (SBPv = 9.43 – 0.0052*IBI + 0.15*BRSsd – 1.85*BRSfsd, F = 2.92, p<0.05). The analysis revealed that the IBI independent index BRSf [mHz/mmHg] is a better indicator for evaluation of the effectivity of baroreflex sensitivity to suppress the SBP variability than the IBI dependent index BRS [ms/mmHg]. ER -
HONZÍKOVÁ, Klára, Hana HRSTKOVÁ, Jana ŠŤASTNÁ, Zuzana NOVÁKOVÁ, Nataša HONZÍKOVÁ, Bohumil FIŠER, Eva ZÁVODNÁ, Antoín KRTIČKA and Petr HONZÍK. EFFECT OF BAROREFLEX ON BLOOD PRESSURE VARIABILITY. In \textit{17th Meeting of ES-PCR}. 2008.
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