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Figure 4 Preliminary results from the Percutaneous Coronary Intervention-Treat Angina with Aggrastat and determine Cost of Therapy with an Invasive or Conservative Strategy (PCI-TACTICS) substudy. Longer duration of tirofiban was associated with improvements in myocardial perfusion grade coronary flow and coronary thrombus grade. MV = multivariate; TIMI = Thrombolysis In Myocardial Infarction; TnT = troponin T. Reprinted with permission from Lippincott, Williams and Wilkins. Data from Gibson M, Murphy SA, Weisberg S, et al. Early initiation of tirofiban therapy before percutaneous coronary intervention is associated with improved flow and tissue level perfusion: a TACTICS TIMI-18 substudy. Circulation 2001;104 Suppl II:II5489.