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New oral anticoagulants provide same stroke prevention as warfarin but cause less bleeding
The new oral anticoagulants provide the same stroke prevention as warfarin but cause less intracranial bleeding, reports an observational study in more than 43,000 patients.
Source: ScienceDaily Headlines - August 27, 2016 Category: Science Source Type: news

How safe and effective are new drugs for stroke prevention?
For decades, warfarin was the only oral blood thinner available to reduce the risk of stroke for patients with atrial fibrillation. Warfarin use is cumbersome, because it requires ongoing blood test to monitor the effect and has numerous drug and food interaction. Now a number of non-vitamin K antagonist oral anticoagulant (NOAC) drugs are available for patients with atrial fibrillation and claim to revolutionize the care for patients with atrial fibrillation.
Source: ScienceDaily Headlines - October 3, 2016 Category: Science Source Type: news

Poor patient warfarin knowledge may increase risk of deadly side effects
Patients have poor knowledge of warfarin which may increase their risk of serious side effects, according to research. Warfarin is given to patients at increased risk of blood clots from conditions such as atrial fibrillation or a mechanical heart valve. It 'thins the blood' by slowing down the anticoagulation effect of vitamin K, thereby increasing the time it takes blood to clot and reducing the risk of stroke. Taking too much warfain raises the risk of bleeding.
Source: ScienceDaily Headlines - April 15, 2016 Category: Science Source Type: news

Well-managed warfarin therapy associated with low risk of complications in patients with atrial fibrillation
The efficacy and safety of well-managed warfarin therapy in patients with nonvalvular atrial fibrillation has been the focus of recent study. Atrial fibrillation is a strong independent risk factor for ischemic stroke.
Source: ScienceDaily Headlines - April 20, 2016 Category: Science Source Type: news