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Obstructive bioprosthetic mitral valve thrombus: management options?
Halia Z Alshehri1, Magdi Ismail2, Mohamed F Ibrahim3
1Adult Cardiology Department, Prince Salman Heart Center, King Fahad Medical City, Riyadh, Saudi Arabia hzalshehri@kfmc.med.sa.
Asian Cardiovascular & Thoracic Annals
|June 3, 2014
Summary
Bioprosthetic valve thrombosis is rare, potentially avoiding long-term anticoagulation. This case report details successful conservative anticoagulant treatment for obstructive valve thrombosis in a mitral bioprosthesis.
Area of Science:
- Cardiology
- Cardiac Surgery
- Biomaterials Science
Background:
- Bioprosthetic valve thrombosis (BVT) is a rare complication following valve replacement surgery.
- Limited data exists on the optimal diagnostic and therapeutic strategies for BVT.
- Porcine mitral bioprostheses are commonly used, but their thrombotic potential requires careful consideration.
Observation:
- A patient with a porcine mitral bioprosthesis presented with acute pulmonary edema.
- Clinical presentation suggested obstructive valve thrombosis as the cause.
- Echocardiography confirmed the presence of thrombus on the bioprosthetic valve.
Findings:
- Conservative anticoagulant therapy was initiated for the obstructive valve thrombosis.
- The patient demonstrated a favorable clinical outcome following treatment.
- Resolution of pulmonary edema and improved valve function were observed.
Implications:
- This case suggests that conservative anticoagulant treatment may be a viable option for BVT.
- It highlights the importance of considering BVT in patients with bioprosthetic valves presenting with relevant symptoms.
- Further research is warranted to establish evidence-based guidelines for BVT management.
