Abstract
BackgroundBioprosthetic valve thrombosis is previously considered as an extremely rare complication which hasn’t been systemically recognized and understood.Case presentationHerein, we present an unusual case of a patient manifesting with acute heart failure, secondary to thrombus formation in a porcine aortic bioprosthesis which was implanted 11 months prior to hospitalization. Due to the patient’s poor heart function and intraoperative findings, thrombectomy was performed. For our best knowledge, cases of early bioprosthetic valve thrombosis presenting with acute heart failure have seldomly been reported.ConclusionOur study reviews predisposing factors, typical echocardiographic features and treatment for bioprosthetic valve thrombosis and it should be considered as a reason for bioprosthetic malfunction. A combination of clinical and echocardiographic features can help for diagnosis preoperatively. In some certain circumstances, early reoperation can be avoided if anticoagulant therapy works.
Highlights
ConclusionOur study reviews predisposing factors, typical echocardiographic features and treatment for bioprosthetic valve thrombosis and it should be considered as a reason for bioprosthetic malfunction
Bioprosthetic valve thrombosis is previously considered as an extremely rare complication which hasn’t been systemically recognized and understood
Backgound Bioprosthetic valve is advantageous over mechanical valve as its avoidance of long-term anticoagulation and low incidence of thromboembolic events
Summary
BPVT is an under recognized complication than was previously thought. It may lead to rapid bioprosthesis dysfunction. The diagnosis of BPVT remains very challenging due to a general lack of awareness of its existence. A combination of clinical and echocardiographic features is helpful for diagnosis. It is crucial and worthy to consider the diagnosis of BPVT before referring for reoperation because anticoagulant therapy may work and reverse the bioprosthesis dysfunction
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