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Fractional diastolic and systolic pressure in the ascending aorta are related to the extent of coronary artery disease



Fractional diastolic and systolic pressure in the ascending aorta are related to the extent of coronary artery disease



American Journal of Hypertension 17(8): 641-646



Ascending aortic fractional pulse pressure and fractional systolic pressure (FSP) were demonstrated to differentiate patients with and without coronary artery disease. However, no study so far has analyzed the relationship between FSP and fractional diastolic pressure (FDP) and the extent of coronary artery disease. Therefore, we investigated the relationship between ascending aortic FSP and FDP and the extent of coronary atherosclerosis in unselected patients with angiographically confirmed coronary artery disease. The study group consisted of 445 patients (350 men and 95 women, mean age 58.5 +/- 9.7 years) with angiographically confirmed coronary artery disease and ejection fraction > 55%. Invasive ascending aortic blood pressure during catheterization and conventional sphygmomanometer measurements were taken. Pulse pressure (PP), FSP, and FDP derived from intraaortic measurements differentiated patients with one-, two-, and three-vessel coronary artery disease (PP, 62.8 +/- 15.8 v 64.8 +/- 17.9 v 71.7 +/- 19.1 [P < .0001]; FSP, 1.45 +/- 0.09 v 1.46 +/- 0.10 v 1.51 +/- 0.12 [P < .0001]; FDP 0.77 +/- 0.05 v 0.77 +/- 0.05 v 0.75 +/-0.06 [P < .0001]). After multivariate stepwise adjustment, the odds ratio (OR) and confidence interval (CI) of having three-vessel disease was as follows: PP per 10 mm Hg, OR = 1.15, 95% CI = 1.01 to 1.30; FSP per 0.1, OR = 1.28, 95% CI = 1.03 to 1.60; and FDP per 0.1, OR = 0.61, 95% CI = 0.39 to 0.95. None of the brachial pressure indices was independently related to the extent of coronary atherosclerosis. Pulse pressure (PP), FSP, and FDP of the ascending aorta are related to the risk of three-vessel disease in patients with coronary artery disease and preserved left ventricular function.

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Accession: 012100546

Download citation: RISBibTeXText

PMID: 15288880

DOI: 10.1016/j.amjhyper.2004.01.009


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