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Group B streptococcal endocarditis in a neonate.

¹Mount Sinai Hospital Medical Center, Chicago, Illinois.

Pediatric Cardiology

|January 1, 1988

Summary

Group B Streptococcus caused bacterial endocarditis and aortic dissection in an infant with meningitis. Two-dimensional echocardiography aided diagnosis and treatment, highlighting its value in pediatric cardiac emergencies.

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Area of Science:

Pediatric Cardiology
Infectious Diseases
Cardiovascular Surgery

Background:

Group B Streptococcus (GBS) septicemia is a serious infection in neonates.
Bacterial endocarditis and aortic dissection are rare but life-threatening complications.
Meningitis can be an initial presentation of GBS infection in infants.

Observation:

A one-month-old infant girl presented with meningitis.
Echocardiography revealed a large aortic vegetation and dissecting aneurysm of the ascending aorta.
No pre-existing cardiac anomalies were identified.

Findings:

The infant was diagnosed with bacterial endocarditis and dissecting aneurysm secondary to GBS septicemia.
Intravenous ampicillin treatment was administered for six weeks.
Successful surgical replacement of the ascending aorta with an aortic homograft was performed.

Implications:

This case underscores the critical role of two-dimensional echocardiography in diagnosing endocarditis-related cardiac complications in infants.
Early detection and surgical intervention are vital for managing aortic dissection in pediatric bacterial endocarditis.
Prompt antibiotic therapy is essential for treating GBS septicemia and preventing further complications.

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