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[Conduction disorders in aortic periprosthetic abscesses]
Insights
Conduction abnormalities are early markers of severe complications in active infective endocarditis (AIE), especially with prosthetic aortic valves. Detecting these disturbances aids in diagnosing infection extension to the myocardium.
Area of Science:
- Cardiology
- Infectious Diseases
- Cardiac Surgery
Background:
- Active infective endocarditis (AIE) frequently involves the aortic valve, particularly prosthetic valves.
- Conduction abnormalities are common complications, suggesting infection spread from the valve to surrounding cardiac structures.
Purpose of the Study:
- To investigate the occurrence and significance of conduction disorders in patients with prosthetic aortic valve endocarditis complicated by periprosthetic abscess.
- To highlight the role of conduction abnormalities as early indicators of severe infective endocarditis complications.
Main Methods:
- Retrospective analysis of 8 patients with prosthetic aortic valve endocarditis and periprosthetic abscess.
- Evaluation of conduction disturbances in these patients.
Main Results:
- Conduction disorders were observed in 6 out of 8 patients (75%).
- These abnormalities were associated with the extension of infection to the periannular myocardium.
Conclusions:
- Conduction abnormalities are crucial early markers for severe complications in active infective endocarditis.
- Their detection is vital for diagnosing myocardial involvement when other methods are inconclusive.
Abstract:
Active infective endocarditis (AIE) involving native and especially prosthetic aortic valve is often complicated by conduction abnormalities. These conduction disturbances are considered to represent extension of infection from the valve to the annulus and surrounding myocardium. The authors report their experience of conduction disorders in 6/8 patients in whom the aortic prosthetic valve infection was complicated by periprosthetic abscess. They underline the importance of conduction abnormalities as early markers of severe complication in patients with AIE. In fact, their detection is a useful tool in revealing severe complications since clinical, laboratory and other noninvasive examinations do not always allow early diagnosis of the extension of infection to the surrounding myocardium.