The Living Guidelines: Antiplatelet Agents/Anticoagulants: Warfarin Polling Results for CLASS I Guidelines

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Class I Guidelines
1. Managing warfarin to an INR equal to 2.0 to 3.0 for paroxysmal or chronic atrial fibrillation or flutter is recommended, and in post-MI patients when clinically indicated (e.g., atrial fibrillation, left ventricular thrombus). (Class I Level of Evidence: A)

 AHA / ACC 2007 PCI Guidelines Class I Recommendation 1 for Antiplatelet Agents/Anticoagulants: Warfarin should be CLASS I CLASS IIa CLASS IIb CLASS III

2. Use of warfarin in conjunction with aspirin and/or clopidogrel is associated with an increased risk of bleeding and should be monitored closely. (Class I Level of Evidence: B)

 AHA / ACC 2007 PCI Guidelines Class I Recommendation 2 for Antiplatelet Agents/Anticoagulants: Warfarin should be CLASS I CLASS IIa CLASS IIb CLASS III

3. In patients requiring warfarin, clopidogrel, and aspirin therapy after PCI, an INR of 2.0 to 2.5 is recommended with low dose aspirin (75 mg to 81 mg) and a 75-mg dose of clopidogrel. (Class I Level of Evidence: C)

 AHA / ACC 2007 PCI Guidelines Class I Recommendation 3 for Antiplatelet Agents/Anticoagulants: Warfarin should be CLASS I CLASS IIa CLASS IIb CLASS III