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Prognostic factors in left-sided endocarditis: results from the Andalusian multicenter cohort

Juan Gálvez-Acebal1, Jesús Rodríguez-Baño, Francisco J Martínez-Marcos

  • 1Infectious Diseases Section, University Hospital Virgen Macarena, Sevilla, Spain. jga3156@yahoo.es

BMC Infectious Diseases
|January 26, 2010
PubMed

Insights

Infective endocarditis (IE) mortality remains high. This study identified key predictors of in-hospital death in left-sided IE, including comorbidities and specific microorganisms, to guide risk stratification and treatment.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Clinical Epidemiology

Background:

  • Infective endocarditis (IE) continues to have high mortality rates despite medical advancements.
  • Previous prognostic studies in IE have yielded conflicting results.
  • This study aimed to identify predictors of in-hospital mortality in a large, multicenter cohort of left-sided IE.

Purpose of the Study:

  • To identify independent predictors of in-hospital mortality in patients with left-sided infective endocarditis (IE).
  • To stratify risk in IE patients to guide specialized care and treatment strategies.

Main Methods:

  • An observational, multicenter study was conducted across seven hospitals in Andalusia, Spain, from 1984 to 2006.
  • Included 705 patients with left-sided IE.
  • Analyzed prognostic factors using univariate and multilogistic regression models to determine in-hospital mortality predictors.

Main Results:

  • Overall in-hospital mortality was 29.5%.
  • Independent mortality predictors included Charlson comorbidity score, prosthetic valve endocarditis, Staphylococcus aureus etiology, severe heart failure, neurologic manifestations, septic shock, perivalvular extension, and acute renal failure.
  • Streptococcus viridans group etiology and surgical treatment were identified as protective factors.

Conclusions:

  • Specific patient characteristics and clinical factors identify individuals at higher risk for mortality in left-sided IE.
  • These findings can inform the selection of patients who may benefit from specialized attention in referral centers.
  • Risk stratification can guide more aggressive diagnostic and therapeutic interventions for high-risk IE patients.
Abstract

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