Korean J Med.  2011 Dec;81(6):708-715.

Role of Pressure Wire in Coronary Artery Disease

  • 1Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Medical Center, Daegu, Korea. ncwcv@dsmc.or.kr


To get the best clinical outcome after revascularization, understanding of patient and lesion should proceed. Although coronary angiography has been regarded as the gold standard for assessing coronary artery disease for several decades, it has several well-known limitations. Fractional flow reserve (FFR), measured with a coronary pressure wire, is an accurate and lesion-specific index for determining the functional significance (myocardial ischemia) of a particular stenosis. The selection of target vessels, the decision and method for revascularization, and the determination of prognosis in patients with CAD can be helped by FFR in daily practice. In this manuscript, we will review the role of pressure wire and discuss the limitation of it in evaluating CAD.


Fractional flow reserve; Coronary artery disease; Myocardial ischemia; Stent
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