ESCHERICHIA COLI: AN IMPORTANT PATHOGEN IN PATIENTS WITH HEMATOLOGIC MALIGNANCIES

Daniel Olson, Abraham Tareq Yacoub, Gelenis Domingo, John Norman Greene
  • Daniel Olson
    University of South Florida Morsani College of Medicine 12901 Bruce B Downs Blvd, Tampa, FL 33612,
  • Abraham Tareq Yacoub
    Moffitt Cancer Center, United States
  • Gelenis Domingo
    Assistant Member, Internal and Hospital Medicine Program Moffitt Cancer Center and Research Institute 12902 Magnolia Drive Tampa, FL 33612-9497,
  • John Norman Greene
    Section Chief, Division of Infectious Diseases and Tropical Medicine - Moffitt Cancer Center, Tampa FL Professor of Medicine, United States | john.greene@moffitt.org

Abstract

Abstract

Background

Escherichia coli (E. coli) is a pathogen of great concern in immunosuppressed patients.  While antimicrobial prophylactic therapy has become the standard, the emergence of resistant pathogens has some questioning its use.  This study describes our experience with E.coli as a pathogen in neutropenic patients with a hematologic malignancy, and addresses future directions of treatment for this patient population.

Methods

A retrospective chart review of 245 E.coli bacteremia patients at Moffitt Cancer Center from 05/18/02 – 05/15/12 was conducted. Patients were identified via microbiology laboratory computerized records.

Results

The included patients experienced clinically significant E.coli bacteremia resulting in a median hospital stay of 14.7 days.  Several patients developed severe sepsis requiring the use of pressor and ventilator therapy.

Conclusions

E.coli is a major pathogen in these patient populations resulting in extended hospital stays and specialized treatment to overcome their E.coli bacteremia. The data supports the use of fluoroquinolone prophylactic therapy, however, earlier detection and treatment of neutropenic infection is needed.

Keywords

: Escherichia Coli; Neutropenia; Bone Marrow Transplant; Hematological Malignancy

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Submitted: 2014-08-29 14:24:11
Published: 2014-08-28 00:00:00
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