Key result
Late infected bioprosthetic aortic valve thrombus with distal embolization develops despite low thromboembolic risk.
Why the study?
Despite low risk of thromboembolism, infected thrombus of bioprosthetic aortic valves with distal embolization can occur years after surgery, highlighting the need for surveillance.
Case Report (n=1)
This case highlights that asymptomatic bioprosthetic valve thrombosis can occur late after surgery even in low-risk patients, suggesting a potential role for active surveillance echocardiography.
Late thrombosis may occur years after bioprosthetic AVR even in low-risk patients; leaves open whether surveillance echocardiography improves outcomes.
Current guidelines recommend the use of warfarin in the first 3 months after bioprosthetic valve replacement and suggest longterm anticoagulation only in patients with obvious risk factors for thrombosis.Despite at low risk of thromboembolism, we present a case of a 72-year-old male patient with infected thrombus at bioprosthetic aortic valve with distal arterial embolization after 3 years of replacement surgery.The incidence of asymptomatic bioprosthetic valve thrombosis (BPVT) may be higher than anticipated and active surveillance echocardiography is needed to early detect BPVT before leading to fatal complication.
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Hong et al. (2015) conducted a case report in Infected thrombus at bioprosthetic aortic valve with distal arterial embolization (n=1). Bioprosthetic aortic valve replacement was evaluated on Infected thrombus with distal arterial embolization. A 72-year-old male developed an infected thrombus on a bioprosthetic aortic valve with distal arterial embolization 3 years after replacement surgery despite being at low risk for thromboembolism.
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