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Acute mitral valve obstruction during infective endocarditis
Abstract:
Five patients were found during surgery or at necropsy to have the mitral valve orifice obstructed by vegetations. They had had unexplained severe and recurrent episodes of acute febrile pulmonary oedema, and four had few cardiac ausculatory findings. Three patients died suddenly and unexpectedly; the other two were operated on and survived. In view of its ominous prognosis, acute mitral valve obstruction should be considered in patients whose pulmonary symptoms are compatible with endocarditis and are not adequately explained by the findings on examination of the heart. The condition, which should be confirmed by echocardiography, requires emergency surgery.
Insights
Acute mitral valve obstruction from vegetations causes severe pulmonary edema and sudden death. Early diagnosis via echocardiography and emergency surgery are crucial for survival in these critical endocarditis cases.
Area of Science:
- Cardiology
- Infectious Diseases
- Cardiac Surgery
Background:
- Endocarditis can lead to severe cardiac complications.
- Mitral valve obstruction is a rare but life-threatening manifestation.
Observation:
- Five patients presented with mitral valve obstruction due to vegetations.
- Symptoms included unexplained acute febrile pulmonary edema.
- Many had subtle cardiac auscultation findings.
Findings:
- Three patients experienced sudden, unexpected death.
- Two patients survived after emergency surgery for valve obstruction.
- Echocardiography is key for diagnosis.
Implications:
- Acute mitral valve obstruction requires urgent surgical intervention.
- Consider this condition in patients with unexplained pulmonary edema and endocarditis symptoms.
- Prompt diagnosis and treatment improve survival rates.