Prosthetic Valve Thrombosis: Literature Review and Two Case Reports | Abstract

International Journal of Medical Research & Health Sciences (IJMRHS)
ISSN: 2319-5886 Indexed in: ESCI (Thomson Reuters)


Prosthetic Valve Thrombosis: Literature Review and Two Case Reports

Author(s):Kotryna Druteikaite, Simona Berontaite*, Gintare Valteryte and Gediminas Jarusevicius

Prosthetic heart valve thrombosis is one of the most dangerous prosthetic valve complications. Proper monitoring and management of these patients help to prevent this complication. Fluoroscopy is advantageous in cases of thrombosis to assess the function of the prosthetic valve by measuring the opening and closing angles. We describe two cases of aortic mechanical valve thrombosis with different mechanisms of thrombus formation. The first case was a 48 years old woman admitted to the hospital because of shortness of breath during minimal exertion and significantly reduced exercise tolerance. Due to rheumatic heart disease, the patient underwent aortic and mitral mechanical prosthesis and has been using warfarin in therapeutic norms. During echocardioscopy aortic prosthesis obstruction and severe tricuspid valve regurgitation were observed. The patient was scheduled for aortic root and TV prosthesis surgery. The second patient also had an aortic mechanical valve due to severe aortic stenosis caused by rheumatism and presented with organizing pneumonia and progressing respiratory failure as complications of the COVID-19 infection and was admitted with dyspnea, cough and weakness. Aortic prosthetic valve thrombosis was diagnosed despite optimal treatment and therapeutic INR.

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