Infectious embolisation to the central nervous system from endocarditis: analyses of 99 cases

M Karvaj1, V Krcmery, E Kalavsky

  • 1St. Elisabeth University College of Health and Social Sciences, Bratislava, Slovakia.

Insights

Infective endocarditis complicated by central nervous system (CNS) emboli has high mortality. Inappropriate therapy and enterococcal etiology significantly predict CNS embolisation in these patients.

Area of Science:

  • Cardiology
  • Neurology
  • Infectious Diseases

Background:

  • Infective endocarditis (IE) is a serious infection affecting heart valves.
  • Central nervous system (CNS) complications significantly impact patient outcomes in IE.
  • Understanding predictors of CNS embolisation is crucial for risk stratification.

Purpose of the Study:

  • To identify significant predictors of central nervous system (CNS) embolisation in patients with infective endocarditis (IE).
  • To assess the impact of CNS emboli on mortality rates in IE patients.

Main Methods:

  • Retrospective analysis of a cohort of 606 infective endocarditis cases.
  • Statistical analysis to determine significant predictors of CNS embolisation.
  • Comparison of mortality rates between patients with and without CNS emboli.

Main Results:

  • Of 606 IE cases, 99 experienced embolisation, with 32 affecting the CNS.
  • Inappropriate therapy and enterococcal etiology were significant predictors of CNS embolisation (p<0.01).
  • Mortality was significantly higher in patients with CNS emboli (65%) compared to those without (15%) (p<0.01).

Conclusions:

  • Inappropriate therapy and enterococcal etiology are key risk factors for CNS embolisation in infective endocarditis.
  • CNS embolisation is associated with a substantially increased mortality risk in IE patients.
  • Timely and appropriate treatment is critical to reduce CNS complications and improve survival in infective endocarditis.

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