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  • Title: Anticoagulant and/or antiplatelet treatment in patients with atrial fibrillation after percutaneous coronary intervention. A single-center experience.
    Author: Maegdefessel L, Schlitt A, Faerber J, Bond SP, Messow CM, Buerke M, Raaz U, Werdan K, Muenzel T, Weiss C.
    Journal: Med Klin (Munich); 2008 Sep 15; 103(9):628-32. PubMed ID: 18813885.
    Abstract:
    BACKGROUND: Atrial fibrillation (AF) is the most common cardiac arrhythmia sustained and frequently occurs in patients with coronary heart disease. Thus, a large number of patients requiring percutaneous coronary intervention (PCI) also suffer from AF. An anticoagulant regimen has not been standardized for patients with AF after coronary stent implantation. PATIENTS AND METHODS: The authors investigated data from 159 patients with AF who underwent PCI in their department. Baseline variables and incidence of a combined endpoint (stroke, myocardial infarction, cardiovascular death, severe bleeding) were compared in patients receiving clopidogrel and acetylsalicylic acid (ASA; group 1) versus patients receiving the combination of clopidogrel and ASA with low-molecular-weight heparin (LMWH; group 2) versus patients receiving the combination of clopidogrel and ASA with oral anticoagulation (OAC; group 3) at discharge. RESULTS: Patients discharged with triple therapy including OAC seemed to be at higher risk: patients in group 3 had decreased left ventricular ejection fraction and increased inflammatory state as measured by plasma fibrinogen and C-reactive protein. Moreover, previous OAC treatment and strokes were found more often in this subgroup of patients. In a median follow-up of 1.4 years, two severe bleeding events (both in group 1), four myocardial infarctions (all in group 1), 13 strokes (nine in group 1, four in group 2), and nine cardiovascular deaths (three in group 1, five in group 2, one in group 3) occurred. CONCLUSION: In this analysis, no treatment regimen seemed to be clearly superior. It underlines the importance of prospective, randomized trials to investigate the optimal antithrombotic/antiplatelet treatment for patients with AF after PCI.
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