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[Surgical treatment for active infective endocarditis]
S Fukunaga1, H Akashi, K Tayama
1Second Department of Surgery, Kurume University School of Medicine, Japan.
Kyobu Geka. the Japanese Journal of Thoracic Surgery
|July 1, 1996
Summary
Surgical treatment for active infective endocarditis involving valve replacement, especially with annular abscesses, showed a 5-year survival rate of 81%. Key principles include optimal timing, debridement, and complete defect closure.
Area of Science:
- Cardiology
- Cardiac Surgery
- Infectious Diseases
Background:
- Active infective endocarditis (IE) poses significant risks, often necessitating surgical intervention.
- Valve dysfunction and complications like annular abscesses complicate management.
Purpose of the Study:
- To evaluate the surgical outcomes and long-term survival in patients with active infective endocarditis.
- To analyze the effectiveness of different reconstructive techniques for paravalvular involvement.
Main Methods:
- Retrospective analysis of 33 patients with active IE undergoing valve replacement between 1975 and 1995.
- Detailed review of valve pathology, surgical procedures, reconstructive techniques, and patient outcomes.
Main Results:
- 18 aortic, 11 mitral, and 4 combined aortic/mitral valve IE cases were treated.
- 14 patients had annular abscess or mycotic aneurysm; 5 (15.2%) experienced operative/hospital mortality.
- Actuarial survival rates were 81% at 5 years and 61% at 10 years; paravalvular leakage occurred in 5 cases, primarily due to persistent infection.
Conclusions:
- Optimal surgical timing, thorough debridement of infected tissue, and complete defect closure are crucial for managing active IE.
- Specific reconstructive techniques are vital for addressing paravalvular involvement and ensuring long-term success.