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Gram-negative intravascular catheter-related bacteremia in patients with spinal cord injury
Authors:Hussain Rahat  Cevallos Manuel E  Darouiche Rabih O  Trautner Barbara W
Affiliation:a Department of Internal Medicine, University of Texas Health Sciences Center, San Antonio, Harlingen, TX
b Department of Medicine, Section of Infectious Diseases, Houston, TX
c Department of Physical Medicine & Rehabilitation, Baylor College of Medicine and the Michael E. DeBakey Veterans Affairs Medical Center, Houston, TX.
Abstract:
Hussain R, Cevallos ME, Darouiche RO, Trautner BW. Gram-negative intravascular catheter-related bacteremia in patients with spinal cord injury.

Objective

To determine whether the prevalence of gram-negative catheter-related bloodstream infection (CRBSI) is higher in patients with spinal cord injury (SCI) than in patients without SCI.

Design

Retrospective chart review from August 1998 to August 2006.

Setting

A Veterans Affairs medical center, which serves as a tertiary care medical center to over 500 veterans with SCI and is the primary source of health care for veterans in southeast Texas.

Participants

All hospitalized patients who had an International Classification of Diseases, Ninth Revision, code for bacteremia associated with their hospital stay.

Interventions

Not applicable.

Main Outcome Measure

The proportion of CRBSI caused by gram-negative organisms in the SCI patients to the proportion of CRBSI caused by gram-negative organisms in the non-SCI patients.

Results

Eight (42%) of 19 episodes of CRBSI in the SCI were caused by a gram-negative organism as compared with 4 (11%) of 36 infections in the non-SCI group (P<.01). Factors associated with having a gram-negative organism rather than a gram-positive organism as the causative agent of CRBSI were SCI, femoral catheter site, prolonged hospitalization, decubitus ulcer, and urinary catheter.

Conclusions

In our medical center, patients with SCI who develop CRBSI are more likely to have an infection with a gram-negative organism than are patients without SCI. This knowledge may guide initial empirical therapy of suspected bloodstream infection.
Keywords:Bacteremia   Rehabilitation   Spinal cord injuries
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