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Journal of Clinical Microbiology, September 2001, p. 3393-3394, Vol. 39, No. 9
0095-1137/01/$04.00+0   DOI: 10.1128/JCM.39.9.3393-3394.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.

Contamination of Catheter-Drawn Blood Cultures

Richard J. Everts,1 Emily N. Vinson,1 Paul O. Adholla,1 and L. Barth Reller1,2,3,*

Clinical Microbiology Laboratory,1 Duke University Medical Center, and Departments of Medicine2 and Pathology,3 Duke University School of Medicine, Durham, North Carolina 27710

Received 12 October 2000/Returned for modification 1 March 2001/Accepted 19 June 2001

To assess the risk of contamination, we reviewed retrospectively 1,408 matched pairs of simultaneous catheter-drawn and venipuncture blood cultures. Catheter-drawn cultures were equally likely to be truly positive (14.4 versus 13.7%) but more likely to be contaminated (3.8 versus 1.8% [P = 0.001]). Direct venipuncture cultures are preferred.

* Corresponding author. Mailing address: Clinical Microbiology Laboratory, Box 3938, Duke University Medical Center, Durham, NC 27710. Phone: (919) 684-6474. Fax: (919) 684-8519. E-mail: relle001{at}mc.duke.edu.

Journal of Clinical Microbiology, September 2001, p. 3393-3394, Vol. 39, No. 9
0095-1137/01/$04.00+0   DOI: 10.1128/JCM.39.9.3393-3394.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.


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