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Updated: Jul 25, 2026

Isolation of Valvular Endothelial Cells
Published on: December 29, 2010
[Isolated pulmonary endocarditis on native valve in elderly patient without predisposing factors]
M Pérez-Paredes1, J M Ramos Rincón, A Carnero Varo
1Unidades de Cardiología, Hospital Universitario Morales Meseguer, Murcia. matiasperez@medynet.es
This case study highlights rare pulmonary valve endocarditis in an elderly patient without typical risk factors. Diagnosis was confirmed by identifying Enterococcal bacteremia and valve vegetation via echocardiography.
Area of Science:
- Cardiology
- Infectious Diseases
- Radiology
Background:
- Native pulmonary valve endocarditis is uncommon, especially in patients without predisposing factors or intravenous drug use.
- Subacute presentations can mimic other conditions like pulmonary tuberculosis.
Observation:
- A 75-year-old patient presented with fever and pulmonary nodules.
- Initial diagnosis was suspected pulmonary tuberculosis.
- Enterococcal bacteremia was detected in blood cultures.
Findings:
- Transthoracic and transesophageal echocardiography revealed a large vegetation on the pulmonary valve.
- The findings confirmed isolated infective endocarditis of the native pulmonary valve.
Implications:
- This case underscores the importance of considering infective endocarditis in atypical presentations.
- Echocardiography is crucial for diagnosing pulmonary valve vegetation.
- Early diagnosis and treatment are vital for managing this rare condition.
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