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Enterobacter bacteremia in surgical patients.

K W Burchard, D T Barrall, M Reed

    Surgery
    |November 1, 1986
    PubMed
    Summary

    Enterobacter bacteremia is a growing concern in surgical patients, often occurring late in hospitalization and linked to critical illness factors. Mortality risk is associated with patient condition, not solely the Enterobacter infection or its treatment.

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    Area of Science:

    • Infectious Diseases
    • Surgical Infections
    • Critical Care Medicine

    Background:

    • Enterobacter species are increasingly recognized as significant pathogens in surgical settings.
    • Understanding risk factors for Enterobacter bacteremia is crucial for improving patient outcomes.

    Purpose of the Study:

    • To identify clinical, epidemiological, and mortality risk factors associated with Enterobacter bacteremia in surgical patients.
    • To elucidate the primary determinants of mortality in these patients.

    Main Methods:

    • Retrospective review of 63 surgical patients with positive blood cultures for Enterobacter.
    • Analysis of clinical data, hospitalization timelines, preceding therapies, and patient outcomes.

    Main Results:

    • Enterobacter bacteremia commonly occurred late in hospitalization (average day 23), often after antibiotic therapy and central venous catheter placement.
    • Increased mortality risk was associated with late-onset bacteremia, preceding Enterobacter or non-Enterobacter bacteremia, respiratory failure, and renal failure.
    • Specific antibiotic therapy did not significantly reduce mortality risk.

    Conclusions:

    • Enterobacter bacteremia is an emerging threat in surgical patients, influenced by prolonged antibiotic use and critical illness.
    • Mortality is primarily driven by the severity of underlying critical illness rather than the specific Enterobacter infection or its treatment.
    • Factors like prolonged hospitalization, invasive devices, and comorbidities significantly elevate mortality risk.

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