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[Bacteremias in intensive care]

J Vallés1

  • 1Servicio de Medicina Intensiva, Hospital de Sabadell, Barcelona.

Enfermedades Infecciosas Y Microbiologia Clinica
|December 31, 1997
PubMed
Summary

Critical patients in Intensive Care Units (ICUs) face high risks of nosocomial infections, primarily bacteremia and respiratory infections. These infections, often linked to catheters and ventilators, significantly increase mortality rates.

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Area of Science:

  • Infectious Diseases
  • Critical Care Medicine
  • Hospital Epidemiology

Context:

  • Intensive Care Units (ICUs) are high-risk environments for critical patients.
  • Patients are susceptible to nosocomial infections due to medical interventions and underlying conditions.

Purpose:

  • To analyze the incidence, origins, and mortality of nosocomial infections in critical care settings.
  • To identify key pathogens and risk factors associated with these infections.

Summary:

  • Nosocomial infections, particularly bacteremia and respiratory infections, are prevalent in ICUs, with incidence rates of 2.5-6.7 per 100 admissions.
  • Intravascular catheters and respiratory support are common sources, with Gram-positive organisms and Pseudomonas spp. being frequent culprits.
  • Candidemia rates are also elevated compared to general hospitalization units.

Impact:

  • Nosocomial infections contribute significantly to morbidity and mortality in critical patients.
  • The overall mortality rate for these infections is 30-40%, with infection-attributable mortality nearing 70%.
  • Effective infection control strategies in ICUs are crucial for improving patient outcomes.

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