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Journal of Southern Medical University ; (12): 704-708, 2014.
Article in Chinese | WPRIM | ID: wpr-249376

ABSTRACT

<p><b>OBJECTIVE</b>To evaluate the long-term clinical outcomes of fractional flow reserve (FFR)-guided versus intravascular ultrasound (IVUS)-guided percutaneous coronary intervention (PCI) for intermediate coronary lesions.</p><p><b>METHODS</b>A total of 226 patients with 293 intermediate coronary artery lesions (stenosis of 40%-70%) confirmed by coronary angiography were randomized into 3 groups to undergo PCI for a minimal lumen cross sectional area (MLA)<4 mm(2) (IVUS group, 98 lesions) or for a FFR<0.80 (FFR group, 101 lesions), or to receive standard medical treatment (medication group, 94 lesions). The primary outcome was major adverse cardiac events including death, myocardial infarction, and ischemia-driven target vessel revascularization at 1 year after the index procedure.</p><p><b>RESULTS</b>The baseline percent diameter stenosis and lesion length were similar between the 3 groups, but more patients in IVUS group than in FFR group received PCI (P<0.001). No significant difference was found in the incidence of major adverse cardiac events between the 3 groups (P=0.182).</p><p><b>CONCLUSION</b>Both FFR- and IVUS-guided PCI strategy for intermediate coronary artery disease are associated with favorable outcomes, but IVUS-guided PCI based on the single index of MLA can increase the rate of revascularization therapy.</p>


Subject(s)
Humans , Coronary Angiography , Coronary Artery Disease , General Surgery , Fractional Flow Reserve, Myocardial , Myocardial Infarction , Percutaneous Coronary Intervention
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