Circulation Journal
Online ISSN : 1347-4820
Print ISSN : 1346-9843
ISSN-L : 1346-9843
Clinical Investigation
Effect of Intracoronary Tirofiban in Patients Undergoing Percutaneous Coronary Intervention for Acute Coronary Syndrome
Tong-Guo WuQiang ZhaoWei-Guang HuangJian-Rui WeiSi-Wei ChenJin ZhaoLi-Ping HuangLe-Xin Wang
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2008 Volume 72 Issue 10 Pages 1605-1609

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Abstract

Background To investigate the efficacy of intracoronary tirofiban during primary percutaneous coronary intervention (PCI) for patients with acute coronary syndrome (ACS). Methods and Results The 118 patients aged 70 years and above (average age 75±2) were divided into study (n=58, intracoronary bolus tirofiban) and control (n=57, intravenous tirofiban) groups. The culprit vessels were targeted with primary PCI in all patients. Compared with the control group, the study group showed better Thrombolysis In Myocardial Infarction (TIMI) flow grades and TIMI myocardial perfusion grades (TMPG) immediately after PCI (p=0.016 and 0.026, respectively). The 14-day composite major adverse cardiac events rate was lower in the study group (3.5% vs 17.5%, p=0.030), but was similar between the 2 groups at 30 days following PCI (7.0% vs 1.7%, p=0.350). The left ventricular ejection fraction in the study group was higher than in the control group 30 days following PCI (67.4±6.2% vs 60.7±4.6%, p=0.033). The 14-day bleeding complication (p=0.201) and platelet reduction rates (p=0.984) were similar between the 2 groups. Conclusion In patients with ACS undergoing primary PCI, intracoronary bolus administration of tirofiban is superior to intravenous bolus injection for improving coronary flow, myocardial perfusion and short-term clinical outcomes. (Circ J 2008; 72: 1605 - 1609)

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© 2008 THE JAPANESE CIRCULATION SOCIETY
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