Preeminence of Staphylococcus aureus in infective endocarditis: a 1-year population-based survey.

نویسندگان

  • Christine Selton-Suty
  • Marie Célard
  • Vincent Le Moing
  • Thanh Doco-Lecompte
  • Catherine Chirouze
  • Bernard Iung
  • Christophe Strady
  • Matthieu Revest
  • François Vandenesch
  • Anne Bouvet
  • François Delahaye
  • François Alla
  • Xavier Duval
  • Bruno Hoen
چکیده

BACKGROUND Observational studies showed that the profile of infective endocarditis (IE) significantly changed over the past decades. However, most studies involved referral centers. We conducted a population-based study to control for this referral bias. The objective was to update the description of characteristics of IE in France and to compare the profile of community-acquired versus healthcare-associated IE. METHODS A prospective population-based observational study conducted in all medical facilities from 7 French regions (32% of French individuals aged ≥18 years) identified 497 adults with Duke-Li-definite IE who were first admitted to the hospital in 2008. Main measures included age-standardized and sex-standardized incidence of IE and multivariate Cox regression analysis for risk factors of in-hospital death. RESULTS The age-standardized and sex-standardized annual incidence of IE was 33.8 (95% confidence interval [CI], 30.8-36.9) cases per million inhabitants. The incidence was highest in men aged 75-79 years. A majority of patients had no previously known heart disease. Staphylococci were the most common causal agents, accounting for 36.2% of cases (Staphylococcus aureus, 26.6%; coagulase-negative staphylococci, 9.7%). Healthcare-associated IE represented 26.7% of all cases and exhibited a clinical pattern significantly different from that of community-acquired IE. S. aureus as the causal agent of IE was the most important factor associated with in-hospital death in community-acquired IE (hazard ratio [HR], 2.82 [95% CI, 1.72-4.61]) and the single factor in healthcare-associated IE (HR, 2.54 [95% CI, 1.33-4.85]). CONCLUSIONS S. aureus became both the leading cause and the most important prognostic factor of IE, and healthcare-associated IE appeared as a major subgroup of the disease.

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عنوان ژورنال:
  • Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

دوره 54 9  شماره 

صفحات  -

تاریخ انتشار 2012