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ウマが人の行動を認識するのは「声」と「表情」の関連から (NHK)

移動の足などとして数千年前から家畜化が進んだウマは、人の声と表情の2つを関連づけて人の行動を認識していることが北海道大学などの実験でわかりました。身近な動物が人...

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Non-vitamin K antagonist oral anticoagulants in atrial fibrillation patients with bioprosthetic valves.

著者 Andrade JG , Meseguer E , Didier R , Dussault C , Weitz JI
Expert Rev Cardiovasc Ther.2018 May 23 ; ():1-6.
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The non-vitamin K antagonist oral anticoagulants (NOACs), which include dabigatran, apixaban, edoxaban and rivaroxaban, are preferred over vitamin K antagonists for stoke prevention in most patients with non-valvular atrial fibrillation. The NOACs are contraindicated in atrial fibrillation patients with rheumatic mitral stenosis or mechanical heart valves. There is evidence that bioprosthetic heart valves are less thrombogenic than mechanical heart valves, but it is unknown whether the risk of thromboembolism in atrial fibrillation patients with bioprosthetic valves differs from that in patients without such valves. Areas covered: The authors present a review of the efficacy and safety evidence surrounding the use of NOACs for stroke prevention in atrial fibrillation patients with bioprosthetic heart valves. Expert commentary: While the data is limited, there is no significant difference in thromboembolic, and bleeding outcomes in patients with AF and bioprosthetic heart valves treated with NOAC therapy. Future studies are required before definitive conclusions can be drawn regarding the safety and efficacy of NOAC therapy in AF patients bioprosthetic heart valves.
PMID: 29790365 [PubMed - as supplied by publisher]
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