A 24-year-old woman who was 11 weeks pregnant and had a mechanical mitral valve presented at the emergency department with ischemic stroke. Although treatment with aspirin and unfractionated heparin was initially successful, subsequent management was almost impossible, as she eventually suffered a right hemispheric stroke, requiring percutaneous intervention and an emergency cesarian; prosthetic valve thrombosis with hemodynamic instability; and multiple bleeding complications. This case demonstrates how difficult it can be to select the appropriate treatment strategy for prosthetic valve thrombosis.
Keywords: Embolism and thrombosis; Gravidez e doença cardiovascular; Heart valve prosthesis; Pregnancy and cardiovascular disease; Prótese valvular cardíaca; Trombose e embolia.
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