Changing spectrum of infective endocarditis in children. Analysis of 26 cases, 1970-1979
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Infective endocarditis (IE) in children during the 1970s saw more postoperative cases, with streptococci as a common cause. IE linked to prosthetic material showed a good outcome with medical treatment alone.
Area of Science:
- Pediatric Cardiology
- Infectious Diseases
- Medical History
Background:
- The 1970s saw advances in pediatric cardiac surgery and critical care.
- Increased survival rates for children with complex heart conditions were noted.
- The impact of these changes on pediatric infective endocarditis (IE) was unclear.
Purpose of the Study:
- To analyze trends and characteristics of pediatric infective endocarditis (IE) from 1970-1979.
- To determine if changes in medical practices influenced pediatric IE.
- To identify common pathogens and outcomes in pediatric IE cases.
Main Methods:
- Retrospective analysis of 26 pediatric IE cases at Yale University (1970-1979).
- Review of patient data, including surgical history, catheterization, and causative agents.
- Comparison with previous IE series to identify shifts in presentation and etiology.
Main Results:
- A higher proportion of IE cases occurred postoperatively compared to prior studies.
- Streptococci were the predominant pathogens in postsurgical and catheterization-related IE, contrary to expectations.
- Infective endocarditis associated with prosthetic material had a favorable prognosis, with medical therapy alone achieving cures in survivors.
- IE in children with previously normal hearts was linked to indwelling central catheters.
Conclusions:
- Pediatric infective endocarditis (IE) patterns evolved in the 1970s, with an increase in postoperative cases.
- The etiology of IE in specific pediatric populations shifted, highlighting the importance of considering streptococci.
- Prosthetic material-associated IE demonstrated treatability with medical management, offering a positive outlook for affected children.
Abstract:
The decade of the 1970s was marked by an increased survival of children with complex heart lesions, use of prosthetic material in open heart surgery, and placement of indwelling central catheters in critically ill patients. We analyzed all 26 cases of children with infective endocarditis (IE) seen at Yale University, New Haven, Conn, from 1970 through 1979 to determine whether these and other factors resulted in a change in pediatric IE. A larger proportion of cases arose postoperatively as compared with previous series. Among the postsurgical and catheterization-related cases, the most common infecting agents were streptococci, not the expected staphylococci. Although the number of cases was small, IE associated with prosthetic material had a favorable prognosis; all survivors of IE with prosthetic material were cured by medical regimens alone. The IE cases in children with previously normal hearts were associated with indwelling central catheters.
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