Value of fractional flow reserve in the management of patients with moderate coronary stenosis
Value of fractional flow reserve in the management of patients with moderate coronary stenosis
Revista portuguesa de cardiologia : orgão oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology, 2004
A considerable number of patients present a single intermediate lesion (>40% and <70%) in one coronary artery on coronary angiography, with no clear evidence that the lesion is responsible for the patient's symptoms. Fractional flow reserve is a method of evaluating the functional importance of stenosis, a value of <0.75 indicating hemodynamically significant lesions. The aim of this study is to determine the safety of non-revascularization of an angiographically moderate and hemodynamically non-significant lesion. Fractional flow reserve (FFR) was evaluated in 87 patients over a period of 34 months. Retrospective analysis and follow-up were conducted of patients referred for coronary angiography, without acute coronary syndrome, who presented an angiographically moderate lesion of a single epicardial coronary artery with an FFR of 0.75, and in whom intervention was deferred. We found 21 patients with a mean age of 66 years, 66.7% male. All patients presented vascular r...
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