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Posterior mitral abscess with bypass grafting before annulus reconstruction: a case report
Dai Une1, Harry Lapierre, Luc Beauchesne
1Division of Cardiac Surgery, University of Ottawa Heart Institute, Ottawa, Ontario, Canada.
A rare posterior mitral annular abscess, a severe endocarditis complication, was surgically treated. Precautionary bypass grafting prevented fatal complications during debridement and reconstruction.
Area of Science:
- Cardiology
- Cardiac Surgery
- Infectious Diseases
Background:
- Posterior mitral annular abscess is a rare, severe complication of infective endocarditis.
- Surgical intervention for this condition carries risks of fatal complications, including left atrioventricular groove rupture and myocardial infarction.
Observation:
- A 60-year-old woman presented with acute infective endocarditis of her native mitral valve.
- The endocarditis was complicated by a posterior annular abscess.
Findings:
- The patient underwent successful surgical debridement and reconstruction of the mitral annular abscess.
- Precautionary coronary artery bypass grafting to the circumflex artery was performed before the main surgical procedure.
Implications:
- This case highlights the importance of careful surgical planning in managing mitral annular abscesses.
- Preemptive revascularization may mitigate risks associated with extensive cardiac surgery for complex endocarditis complications.
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