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Published on: July 18, 2014
Infective endocarditis in children with congenital heart disease: the changing spectrum, 1965-85
Insights
Infective endocarditis in children with congenital heart disease decreased over time, with improved diagnosis and treatment. Early surgical correction of heart defects is recommended for prevention.
Area of Science:
- Pediatric Cardiology
- Infectious Diseases
- Cardiovascular Surgery
Background:
- Infective endocarditis (IE) is a serious complication in children with congenital heart disease (CHD).
- Understanding trends in IE incidence and outcomes is crucial for improving patient care.
Purpose of the Study:
- To review trends in infective endocarditis in children with congenital heart disease over a 20-year period.
- To identify changes in incidence, diagnosis, treatment, and outcomes.
Main Methods:
- Retrospective review of 35 cases of infective endocarditis in children with CHD from 1965 to 1984.
- Analysis of epidemiological data, clinical presentation, diagnostic methods, pathogens, and outcomes.
Main Results:
- Incidence of IE in cyanotic CHD increased, while left-to-right shunt lesions decreased.
- Postoperative endocarditis incidence significantly decreased over the two decades.
- Diagnosis and treatment time shortened, with 100% positive blood cultures in the latter decade.
- Echocardiography detected vegetations in 70% of cases; Streptococcus viridans was the most common pathogen.
Conclusions:
- Significant improvements in the diagnosis and treatment of infective endocarditis in children with CHD were observed.
- Early surgical correction of congenital heart disease may be the most effective preventive strategy.
Abstract:
Thirty-five episodes of infective endocarditis in 35 children with congenital heart disease, from January 1965 to December 1984, were reviewed. The incidence of infective endocarditis in cyanotic congenital heart defects increased with a concomitant decrease in the frequency of lesions with left to right shunt. The incidence of postoperative endocarditis decreased from 1:52 during the first decade to 1:1033 during the second decade. The time interval between onset of symptoms and the establishment of diagnosis and treatment shortened from 7.8 +/- 3.2 weeks (mean +/- SD) to 2.1 +/- 0.9 weeks. During the latter decade, positive blood cultures were obtained in 100% of patients, as compared with 60% during the former decade (P less than 0.05). Echocardiography demonstrated vegetations in 70% of the cases. Over the entire time period, streptococcus viridans was the most frequent pathogen (46%) and staphylococcus aureus second most frequent (17%). Six patients died, all were under two years of age and all had congestive heart failure. Early surgical correction of the congenital heart disease may offer the best form of prevention.
Related Concept Videos
Endocarditis I: Introduction
Endocarditis II: Clinical Features of Infective Endocarditis
Endocarditis III: Medical Management
Endocarditis IV: Nursing Management
Rheumatic Heart Disease I: Introduction
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

