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Bacteremic sepsis in intensive care: temporal trends in incidence, organ dysfunction, and prognosis

Ferriere, Karin
Published in Critical Care Medicine. 2003, vol. 31, no. 2, p. 390-394
Abstract OBJECTIVE: To determine whether changes have occurred at our center in the incidence, patterns of organ dysfunctions, prognostic factors, and case-fatality rate of bacteremic sepsis. DESIGN: Retrospective comparative study (1984-1988 vs. 1994-1997). SETTING: University hospital surgical intensive care unit. PATIENTS: A total of 372 critically ill patients with sepsis and positive blood cultures. INTERVENTION: None. MEASUREMENTS AND MAIN RESULTS: In the 1984-1988 study, 176 patients developed bacteremic sepsis (3.2 per 100 admissions), with a fatality rate of 35% at 28 days, whereas in the 1994-1997 study, 196 patients had bacteremic sepsis (4.3 per 100 admissions), with a 28-day fatality rate of 37%. The frequency of primary bacteremia increased from 21% to 47% (p <.001), paralleled by an increase in the proportional frequency of Gram-positive microorganisms. In 1984-1988, 69% (n = 120) of patients had at least one organ dysfunction, compared with 80% (n = 156) in 1994-1997 (p =.02). The prevalence of pulmonary and cardiac dysfunction increased. The case- fatality rate of septic shock remained high (69% vs. 68%). For both cohorts, the two strongest predictors of mortality remained the Acute Physiology and Chronic Health Evaluation II score at the onset of sepsis and the number of evolving organ dysfunctions. CONCLUSION: The fatality rate of bacteremic sepsis remained constant over the study period, despite an increased incidence of bacteremia and associated organ dysfunction. Continued efforts need to be directed toward the prevention of bacteremic sepsis, given the magnitude and poor prognosis of this syndrome.
Keywords AgedBacteremia/complications/ epidemiology/physiopathologyFemaleHumansIncidenceIntensive CareMalePrognosisRetrospective StudiesTime Factors
PMID: 12576941
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Research groups Groupe Harbarth Stephan (Staphylocoques dorés résistants à la méthicilline) (866)
Staphylocoques dorés résistants à la méthicilline et hygiène hospitalière (330)
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HUGONNET, Stephane et al. Bacteremic sepsis in intensive care: temporal trends in incidence, organ dysfunction, and prognosis. In: Critical Care Medicine, 2003, vol. 31, n° 2, p. 390-394. https://archive-ouverte.unige.ch/unige:7338

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Deposited on : 2010-06-21

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