"bioprosthetic valves are preferred in situations where higher doses of anticoagulation is an issue, in older age groups or when future interventions are considered low risk or after mechanical valve thrombosis despite good anticoagulation 1,2."
Expected headings
"Prosthesis design"
"Radiographic features"
"Plain radiograph"
"Echocardiography"
"Radiology report"
"Advantages"
"Disadvantages"
"severe dystrophic, inflammatory or infective leaflet alterations"