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Poor long-term survival after peripheral vascular surgery often is due to concurrent coronary artery disease (CAD), which may be silent — and consequently underdiagnosed and undertreated. Is knowledge of asymptomatic coronary ischemia beneficial in such patients?
To examine this question, researchers conducted a single-center observational study among 522 patients (mean age, 67) without known coronary artery disease who were scheduled for elective vascular surgery (mainly lower-extremity or carotid). Half of the patients underwent preoperative computed tomography (CT) angiography with fractional flow reserve (FFRCT) and half did not; assignment was determined by CT availability and not randomized. FFRCT results were used to help inform coron…