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Updated: Jul 11, 2026

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
Published on: October 16, 2021
[Repair of paravalvular leak after a third mitral valve replacement]
K Aizawa1, A Tateishi, Y Sakano
1Division of Cardiovascular Surgery, Jichi Medical University, Shimotsuke, Japan.
A paravalvular leak (PVL) caused severe hemolytic anemia in a patient after mitral valve replacement. Surgical repair of the PVL successfully resolved the anemia and restored normal valve function.
Area of Science:
- Cardiology
- Cardiac Surgery
- Hematology
Background:
- Paravalvular leaks (PVL) can occur after prosthetic valve replacement, potentially leading to complications.
- Hemolytic anemia is a rare but serious complication associated with prosthetic heart valves.
Observation:
- A 57-year-old woman presented with fatigue following her third mitral valve replacement.
- Investigations revealed severe hemolytic anemia and a paravalvular leak (PVL) at the posterior trigone of the mitral prosthetic valve.
Findings:
- The paravalvular leak (PVL) was identified as the cause of the patient's hemolytic anemia.
- Surgical repair involved closing a small tissue defect around the mitral annulus, with no signs of infection.
- Postoperative echocardiography confirmed the absence of PVL, and the hemolytic anemia resolved.
Implications:
- This case highlights the importance of considering PVL in patients with hemolytic anemia after mitral valve surgery.
- Successful surgical repair of mitral PVL can effectively treat associated hemolytic anemia.
- Prompt diagnosis and management of PVL are crucial for favorable patient outcomes.
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