alexa Aortic pulse pressure and extent of coronary artery disease in percutaneous transluminal coronary angioplasty candidates


Angiology: Open Access

Author(s): Philippe F

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BACKGROUND: Pulse pressure and aortic stiffness are both predictors of coronary artery disease. Whether these parameters are directly related to coronary structural alterations has never been studied.

METHODS: From September 1999 to September 2000, the following data were collected from 99 eligible patients: invasive intra-aortic systolic and diastolic blood pressures (BP), extent of coronary artery disease, cardiovascular risk factors, and the incidence of angiographically documented restenosis after coronary angioplasty.

RESULTS: In the study population, independent determinants of aortic pulse pressure were age, gender, aortic mean BP, heart rate, and extent of coronary artery disease (r2 = 0.57, P < .0001). In univariate analysis, invasive aortic, but not noninvasive brachial, mean pressure (P = .017) and pulse pressure (P = .027) were significantly associated to the extent of coronary artery disease. In a multiple regression analysis, only male gender (P = .013) and the level of aortic pulse pressure (P = .023) were independently associated with the extent of coronary heart disease. Restenosis was angiographically documented in 11 patients (11%). There was a borderline significant association of restenosis to aortic mean BP (P = .05) and to a past history of multiple previous angioplasties (P = .03).

CONCLUSIONS: In this study, aortic pulse pressure was a significant risk factor for the extent of coronary artery disease. There was only a borderline significant association of restenosis to the steady, but not pulsatile, component of aortic BP in the stent era.

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This article was published in Am J Hypertens and referenced in Angiology: Open Access

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