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[Influence of surgery on survival in infective endocarditis]

Reda Arzanauskiene1, Rimantas Benetis, Petras Zabiela

  • 1Clinic of Cardiology, Kaunas University of Medicine Hospital, Eiveniu 2, 3007 Kaunas, Lithuania. aredar@hotmail.com

Medicina (Kaunas, Lithuania)
|July 25, 2003
PubMed

Insights

Surgery for infective endocarditis significantly improves heart failure symptoms. While hospital mortality remained similar, surgical intervention reduced overall mortality, especially for severe heart failure patients.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Infectious Diseases

Background:

  • Infective endocarditis (IE) is a serious infection affecting heart valves.
  • Management strategies include conservative treatment and surgical intervention.
  • The impact of surgery on survival and heart failure in IE patients requires detailed analysis.

Purpose of the Study:

  • To analyze the impact of surgical intervention for infective endocarditis on patient survival and heart failure status.
  • To compare outcomes between surgically treated and conservatively managed IE patients.

Main Methods:

  • A cohort of 131 patients with infective endocarditis observed between 1999-2001.
  • Patients were divided into surgical (63) and conservative (68) treatment groups.
  • Statistical analysis was used to compare heart failure severity, valve regurgitation, and mortality rates between groups.

Main Results:

  • Surgical patients presented with more severe heart failure and higher-grade aortic and mitral valve regurgitation (p<0.001).
  • Surgery led to significant improvement in heart failure symptoms (p=0.01).
  • Overall hospital mortality was 25.2% and did not differ significantly between groups. However, surgery reduced hospital mortality by 9.9% overall and 23.9% in NYHA III-IV patients (p=0.02) after accounting for complications.

Conclusions:

  • Surgical intervention for infective endocarditis, despite initial presentation with worse heart failure, leads to significant clinical improvement.
  • Surgery offers a survival benefit, particularly for patients with advanced heart failure (NYHA III-IV).
  • These findings support surgical consideration in select IE patients to improve outcomes.

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