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[Infectious endocarditis--a study of 153 cases]

I Steiner1, J Pácalt

  • 1Fingerlandův ústav patologie LF UK, Hradec Králové.

Ceskoslovenska Patologie
|May 1, 1994
PubMed
Summary

This study analyzed 153 cases of infective endocarditis (IE) over 23 years, finding increased incidence and patient age. Staphylococcus aureus was a common cause, with left heart valves most frequently affected.

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Area of Science:

  • Cardiology
  • Infectious Diseases
  • Pathology

Context:

  • Infective endocarditis (IE) is a serious infection affecting heart valves.
  • A 23-year necropsy study (1970-1992) examined 153 IE cases at a university hospital.
  • The study observed trends in IE incidence, patient demographics, and causative agents.

Purpose:

  • To analyze necropsy findings of infective endocarditis over a 23-year period.
  • To compare postmortem microbial findings with clinical blood cultures.
  • To investigate specific subgroups: tricuspid valve IE, IE in hemodialysis patients, and prosthetic valve IE.

Summary:

  • The study identified 153 necropsy cases of IE, with a 0.63% incidence, showing an increasing trend in both incidence and average patient age (51.7 years) over time.
  • Infective vegetations predominantly occurred in the left heart, primarily affecting mitral (41%) and aortic (33%) valves, often on previously normal valves.
  • Staphylococcus aureus was the most frequent pathogen (60% of clinical blood cultures), followed by Gram-negative bacilli, streptococci, and fungi. Special attention was given to tricuspid valve IE (5%), IE in hemodialysis patients (17%), and prosthetic valve IE (9%).

Impact:

  • Provides long-term epidemiological data on infective endocarditis.
  • Highlights the changing spectrum of causative microorganisms in IE.
  • Informs clinical practice regarding diagnosis and management of IE, particularly in high-risk populations.

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