A method of deriving central aortic systolic pressure and a...

A - Human Necessities – 61 – B

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A61B 5/021 (2006.01)

Patent

CA 2689278

A method of deriving central aortic systolic pressure comprising the steps of: a) creating a set having a predetermined number of blood pressure measurements, the set representative of an arterial waveform; b) determining an integer interval value; c) averaging a series of consecutive blood pressure measurement readings in the set equal to the integer interval value commencing from the f thblood pressure measurement in the set; d) storing the averaged value in a central aortic systolic pressure set; and e) setting the central aortic systolic pressure as the highest value in the central aortic pressure set, where steps c. and d. are repeated with the value of f being incremented by 1 each time until the value of f plus the integer interval value equals the predetermined number of blood pressure measurements in the set.

Un procédé de dérivation de la pression systolique aortique centrale, comprenant les étapes suivantes : a) création d'un ensemble ayant un nombre prédéterminé de mesures de pression artérielle, l'ensemble étant représentatif d'une onde artérielle; b) détermination d'une valeur d'intervalle entier; c) calcul de la moyenne d'une série de mesures consécutives de la pression artérielle dans l'ensemble, qui est égale à la valeur d'intervalle entier commençant à la fième valeur de mesure de la pression artérielle; d) stockage de la valeur moyenne dans un ensemble de pression systolique aortique centrale, et e) réglage de la pression systolique aortique à la valeur la plus élevée dans l'ensemble des pressions aortiques centrales, les étapes c et d étant répétées, la valeur f étant incrémentée de 1 à chaque fois, jusqu'à ce que la valeur de f plus la valeur de l'intervalle entier soit éàgale au nombre prédéterminé de mesures de tension artérielle dans l'ensemble.

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