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Pulmonic valve endocarditis with pulmonary artery endarteritis in a young man with congenital ventral septal defect
Afsoon Fazlinezhad1, Azadeh Fallah, Jamil Esfahanizadeh
1Associate Professor of Cardiology, Department of Echocardiography, Ghaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran.
Insights
This case report highlights a rare instance of isolated pulmonic valve endocarditis in a young adult with a congenital heart defect. Early echocardiographic evaluation is crucial for diagnosing this uncommon form of infective endocarditis.
Area of Science:
- Cardiology
- Infectious Diseases
- Medical Case Reports
Background:
- Isolated pulmonic valve endocarditis is a rare condition with non-specific clinical findings.
- Predisposing factors include congenital heart disease in children and intravenous drug abuse in adults.
- Common pathogens are Staphylococcus aureus and coagulase-negative staphylococcus.
Purpose of the Study:
- To report a case of isolated pulmonic valve endocarditis in a young adult.
- To emphasize the diagnostic importance of echocardiography in suspected infective endocarditis.
Main Methods:
- A case report of a 27-year-old male with chronic fever and a history of ventricular septal defect (VSD).
- Diagnosis confirmed by echocardiography revealing pulmonic valve and pulmonary artery vegetations.
- Patient underwent surgery after antibiotic therapy.
Main Results:
- Echocardiography identified vegetations on the pulmonic valve and pulmonary artery.
- The patient had a history of congenital ventricular septal defect (VSD).
Conclusions:
- Pulmonic valve evaluation in echocardiography is critical when infective endocarditis is suspected but vegetations are not found elsewhere.
- Early and thorough echocardiographic assessment aids in diagnosing rare forms of endocarditis.
Background:
Isolated pulmonic valve endocarditis is a rare condition. The clinical and laboratory finding are not specific and experiences about that are limited. Most cases of that occur in children with congenital heart disease or in intravenous drug abusers and the main predisposing factor in adults is intravenous drug abuse. The most common pathogens are staphylococcus aurous and coagulase negative staphylococcus.
Case Report:
In this case report we present a 27 years old man with chronic fever (4 months) and a history of congenital ventral septal defect (VSD). Echocardiography revealed the pulmonic valve and pulmonary artery vegetations. He referred for surgery after 3 weeks of intravenous antibiotic therapy.
Conclusion:
Careful evaluation of pulmonic valve in echocardiography should be done, when ever vegetation is not detected in other valves, and clinical suspicion for infective endocarditis is high.
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Endocarditis II: Clinical Features of Infective Endocarditis
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Rheumatic Heart Disease I: Introduction

