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@inproceedings{1755716,
author = {Lundeen, L. S. and Havelková, Alena and Beaty, L. A. and Voth, M. and Siegelová, Jarmila and Otsuka, K. and Cornelissen, G.},
address = {Brno},
booktitle = {Noninvasive methods in cardiology 2019},
editor = {Cornélissen G., Siegelová J., Dobšák P.},
language = {eng},
location = {Brno},
isbn = {978-80-210-9442-0},
pages = {41-50},
publisher = {Masarykova univerzita},
title = {Day-to-day variation in day-night ratio of blood pressure},
url = {https://is.muni.cz/do/med/noninvasive_methods_in_cardiology/noninvasive_methods_in_cardiology_2019.pdf},
year = {2019}
}
TY - JOUR
ID - 1755716
AU - Lundeen, L. S. - Havelková, Alena - Beaty, L. A. - Voth, M. - Siegelová, Jarmila - Otsuka, K. - Cornelissen, G.
PY - 2019
TI - Day-to-day variation in day-night ratio of blood pressure
PB - Masarykova univerzita
CY - Brno
SN - 9788021094420
UR - https://is.muni.cz/do/med/noninvasive_methods_in_cardiology/noninvasive_methods_in_cardiology_2019.pdf
N2 - Ambulatory blood pressure monitoring (ABPM) is too often limited to only 24 hours. Too often, the data thus collected are analyzed by computing daytime, nighttime, and 24-hour means rather than assessing the circadian variation by cosinor. The day-night ratio (DNR) based on these mean values is then used for a classification in terms of “dipping”. Earlier work showed the large day-today variability in the circadian pattern of blood pressure (BP) observed in both normotensive and hypertensive individuals. Using data from the Brno database of 7-day/24-hour ABPM records, the extent of reproducibility of a classification in terms of “dipping” is examined herein by comparing results obtained on a daily basis versus those based on the entire record, used as reference. The percentage agreement for systolic (S) and diastolic (D) BP averaged (mean ± SE) 54.43 ± 1.37% and 59.09 ± 1.74%, respectively. Individually, the range in daily DNR values averaged 19.85 ± 0.58 and 26.48 ± 0.87 for SBP and DBP, respectively. These results suggest that the DNR computed from a 24-hour ABPM is not sufficiently reliable.
ER -
LUNDEEN, L. S., Alena HAVELKOVÁ, L. A. BEATY, M. VOTH, Jarmila SIEGELOVÁ, K. OTSUKA and G. CORNELISSEN. Day-to-day variation in day-night ratio of blood pressure. In Cornélissen G., Siegelová J., Dobšák P. \textit{Noninvasive methods in cardiology 2019}. Brno: Masarykova univerzita, 2019, p.~41-50. ISBN~978-80-210-9442-0.
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