Fatal association of mechanical valve thrombosis with dabigatran: a report of two cases

Several new oral anticoagulants have been approved for thromboembolism prevention in patients with nonvalvular atrial fibrillation. However, they are not yet approved for anticoagulation use in patients with prosthetic mechanical valves, and no randomized data have been published so far on their saf...

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Veröffentlicht in:Chest 2013-07, Vol.144 (1), p.327-328
Hauptverfasser: Atar, Shaul, Wishniak, Alice, Shturman, Alexander, Shtiwi, Sewaed, Brezins, Marc
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Wishniak, Alice
Shturman, Alexander
Shtiwi, Sewaed
Brezins, Marc
description Several new oral anticoagulants have been approved for thromboembolism prevention in patients with nonvalvular atrial fibrillation. However, they are not yet approved for anticoagulation use in patients with prosthetic mechanical valves, and no randomized data have been published so far on their safety of use in these patients. We present two cases of patients with prosthetic mechanical mitral valves who were switched from warfarin and acenocoumarol to dabigatran and within 1 month experienced severe valve complications resulting in death. One patient experienced stroke and later cardiogenic shock and death, and the other experienced pulmonary edema, cardiogenic shock, and subsequent death.
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subjects Aged
Antithrombins - adverse effects
Antithrombins - therapeutic use
Atrial Fibrillation - surgery
Benzimidazoles - adverse effects
Benzimidazoles - therapeutic use
beta-Alanine - adverse effects
beta-Alanine - analogs & derivatives
beta-Alanine - therapeutic use
Dabigatran
Fatal Outcome
Female
Heart Valve Prosthesis
Humans
Mitral Valve
Thromboembolism - prevention & control
title Fatal association of mechanical valve thrombosis with dabigatran: a report of two cases
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