• Ron Waksman, Olivier Bertrand, Mitchell Driesman, Luis Gruberg, Joseph Rossi, Shamir Mehta, Stacy Swymelar, Danny Dvir, Zhenyi Xue, and Rebecca Torguson.
• Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia 20010, USA. ron.waksman@medstar.net
• J Interv Cardiol. 2013 Apr 1;26(2):107-13.

AbstractWe aimed to determine the optimal adjunctive anticoagulation regimen for percutaneous coronary intervention (PCI) in patients presenting with acute coronary syndrome (ACS) initially treated with fondaparinux. The optimal adjunctive anticoagulation regimen for PCI in these patients is unclear. In this open-label, prospective, randomized, multicenter pilot study, we compared treatment with unfractionated heparin (UFH) versus bivalirudin in patients with non-ST-segment elevation ACS initially treated with fondaparinux and undergoing early invasive strategy. The randomized population consisted of 100 patients (62.7 ± 12.7 years, 68% men), all of whom were on clopidogrel. During the angioplasty, patients were randomized to either bivalirudin or UFH therapy in a 1:1 fashion. Baseline clinical and angiographic characteristics were similar except for a higher body mass index in the UFH group (29.4 ± 4.7 vs. 27.3 ± 4.2, P = 0.02). Major bleeding was the primary outcome; a major bleeding event was documented in only 1 patient from the bivalirudin group (2%) and in none from the UFH group (P = 0.49). There was no death, Q-wave MI, or acute revascularization in either group. There was no documentation of stent thrombosis, reinfarction, and catheter thrombus. Data from this prospective, multicenter pilot study suggest that bivalirudin, compared to standard-dose UFH, has a similar safety profile in terms of peri-PCI bleeding and thrombotic events and can be used safely in ACS patients initially treated with upstream fondaparinux who undergo PCI.©2012, Wiley Periodicals, Inc.

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