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Efficacy and safety of quadruple therapy including tirofiban in the treatment of Chinese NSTE-ACS patients failing to receive timely percutaneous coronary intervention

Authors Li L, Ge Z, Zhang D, Kuang J, Ma X, Jiang S

Received 4 April 2017

Accepted for publication 24 July 2017

Published 21 November 2017 Volume 2017:11 Pages 3299—3307


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Dr Qiongyu Guo

Lan Li,1 Zhenrong Ge,1 Dengke Zhang,1 Jun Kuang,2 Xiang Ma,3 Shubin Jiang1

1Coronary Care Unit, The Traditional Chinese Medicine Hospital, Xinjiang Medical University, 2Department of Cardiology, General Hospital of Xinjiang Military Command, 3Department of Cardiology, First Affiliated Hospital of Xinjiang Medical University, Urumqi, People’s Republic of China

Background: Although it has been shown to be superior to simple antithrombotic drug therapy, most patients are unable to receive timely percutaneous coronary intervention (PCI) and are treated with conventional triple antithrombotic therapy (aspirin, clopidogrel, low-molecular-weight heparin). Here, we evaluate the efficacy and safety of adding low-dose tirofiban to this regimen.
Methods: A total of 1,783 patient records (unable to receive PCI) indicating non-ST-segment elevation acute coronary syndrome (NSTE-ACS) were included. A total of 882 received conventional triple antithrombotic therapy; 901 received quadruple antithrombotic therapy. Efficacy was evaluated in terms of major adverse cardiovascular event (MACE) parameters. Safety was evaluated based on the occurrence of bleeding events. Data were collected over a 6-month period post treatment.
Results: The rate of occurrence of MACE was significantly lower in the quadruple antithrombotic group (10.5% versus 14.1% at 6 months, P=0.02). The log-rank test showed improved survival in the quadruple antithrombotic group. Total bleeding events were higher in the quadruple antithrombotic group (9.7%) than in the triple antithrombotic group (7.1%) (P=0.04); however, this may be attributed to increased clinically insignificant minor bleeding events.
Conclusion: Quadruple antithrombotic therapy demonstrated a superior alternative for the treatment of high-risk NSTE-ACS patients failing to receive PCI.

Keywords: low-dose tirofiban, non-ST-segment elevation acute coronary syndrome, quadruple drug therapy

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