Are infections due to resistant pathogens associated with a worse outcome in critically ill patients?

Objectives. To evaluate the outcome of critically ill patients infected with antimicrobial resistant microorganisms, and to analyse the factors involved in the development of antimicrobial resistance. Methods. All patients admitted to a 31-bed mixed medico-surgical intensive care unit who developed...

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Bibliographic Details
Published in:The Journal of infection 2003-11, Vol.47 (4), p.307-316
Main Authors: Peres-Bota, Daliana, Rodriguez, Hector, Dimopoulos, George, DaRos, Alessandra, Mélot, Christian, Struelens, Marc J, Vincent, Jean-Louis
Format: Article
Language:English
Subjects:
Antibiotic resistance
Biological and medical sciences
Chi-Square Distribution
Critical Illness
Cross Infection - drug therapy
Cross Infection - epidemiology
Cross Infection - microbiology
Drug Resistance
Enterobacter aerogenes
Enterobacter cloacae
Female
Fundamental and applied biological sciences. Psychology
General aspects
Humans
Infection
Intensive Care Units
Logistic Models
Male
Medical sciences
Microbial Sensitivity Tests
Microbiology
Middle Aged
Outcome
Prognosis
Prospective Studies
Proteus mirabilis
Resistant pathogens
Risk Factors
Staphylococcus aureus
Susceptible pathogens
Virology
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Summary:Objectives. To evaluate the outcome of critically ill patients infected with antimicrobial resistant microorganisms, and to analyse the factors involved in the development of antimicrobial resistance. Methods. All patients admitted to a 31-bed mixed medico-surgical intensive care unit who developed a nosocomial infection were prospectively followed until discharge or death. Results. Of 949 consecutive patients admitted, 186 developed a nosocomial infection: 79 with an antimicrobial-resistant pathogen and 107 with susceptible strains. The lungs were the main source of infections in both groups. The main resistant microorganisms were Enterobacter aerogenes, methicillin resistant Staphylococcus aureus (MRSA), and Enterobacter cloacae. The main susceptible microorganisms were Enterobacter spp., methicillin susceptible S. aureus (MSSA), and Proteus mirabilis. Patients infected with resistant strains had a longer length of stay prior to infection (9±4 vs. 5±3 days), longer total length of stay (18±16 vs. 11±7 days), longer duration of mechanical ventilation (12±15 vs. 6±7 days), and more severe coagulation, liver, and renal dysfunction (all p
ISSN:0163-4453
1532-2742
DOI:10.1016/S0163-4453(03)00100-2