of Coronary Artery Disease in Patients Undergoing Peripheral Artery Disease Surgery


Frequency of Coronary Artery Disease in Patients Undergoing Peripheral Artery Disease Surgery


Hur DJ, Kizilgul M, Aung WW, et al (Univ of Virginia, Charlottesville) Am J Cardiol 110:736-740, 2012§



J. Black, MD



Evidence Ranking


C



Expert Rating


1



Abstract


The prevalence of coronary artery disease (CAD) in patients with peripheral arterial disease (PAD) varies widely in published reports. This is likely due at least in part to significant differences in how PAD and CAD were both defined and diagnosed. In this report, the investigators describe 78 patients with PAD who underwent preoperative coronary angiography before elective peripheral revascularization and provide a review of published case series. Among the patients included, the number with concomitant CAD varied from 55% in those with lower-extremity stenoses to as high as 80% in those with carotid artery disease. The number of coronary arteries narrowed by ≥50% was 1 in 28%, 2 in 24%, and 3 in 19%; 28% did not have any angiographic evidence of CAD. The review of published research resulted in the identification of 19 case series in which a total of 3,969 patients underwent preoperative coronary angiography before elective PAD surgery; in the 2,687 who were described according to the location of the PAD, 55% had ≥1 epicardial coronary artery with ≥70% diameter narrowing. The highest prevalence of concomitant CAD was in patients with severe carotid artery disease (64%). In conclusion, despite sharing similar risk factors, the prevalence of obstructive CAD in patients with PAD ranges widely and appears to differ across PAD locations. Thus, the decision to perform coronary angiography should be based on indications independent of the planned PAD surgery.

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Apr 3, 2017 | Posted by in CARDIOLOGY | Comments Off on of Coronary Artery Disease in Patients Undergoing Peripheral Artery Disease Surgery

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