Vývoj citlivosti baroreflexu u osob ve věku 11-21 let

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Title in English Development of baroreflex sensitivity in age range 11 to 21 years
Authors

HONZÍKOVÁ Nataša ZÁVODNÁ Eva NOVÁKOVÁ Zuzana FIŠER Bohumil HRSTKOVÁ Hana

Year of publication 2005
Type Conference abstract
MU Faculty or unit

Faculty of Medicine

Citation
Description We recorded systolic blood pressure and pulse intervals (PI) in 467 healthy children and adolescents (11 - 21 years). Two indices of baroreflex sensitivity BRS (ms/mmHg) and BRSf (mHz/mmHg) were evaluated by means of spectral analysis. Baroreflex sensitivity expressed as BRS is age-independent and significantly correlate with PI, that increase with age. On the other hand, index BRSf is PI-independent and significantly decrease with age - better reflect age related changes of baroreflex sensitivity in children and adolescents. We estimated limits for BRS, the value of the 5th percentil is under 5 ms/mmHg that is value under which many of hypertonics are concentrated.
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