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Journal of Clinical Microbiology, March 2009, p. 817-818, Vol. 47, No. 3
0095-1137/09/$08.00+0     doi:10.1128/JCM.02173-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.

Performance Evaluation of the VersaTREK Blood Culture System for Quality Control Testing of Platelet Units{triangledown}

Suparna Nanua,1,2 Carol Weber,2 Liz Isgriggs,2 and W. Michael Dunne Jr.1,2*

Department of Pathology and Immunology, Washington University School of Medicine,1 Barnes-Jewish Hospital, St. Louis, Missouri 631102

Received 12 November 2008/ Returned for modification 22 December 2008/ Accepted 5 January 2009

The performance of the VersaTREK blood culture system for the detection of a bacterial contamination of platelet concentrates was assessed using samples spiked with serial dilutions of nine bacterial species associated with platelet contamination. The system detected growth for all organisms in <20 h, and the detection sensitivity was <20 CFU/ml.


* Corresponding author. Mailing address: Department of Pathology and Immunology, Washington University School of Medicine, 660 S. Euclid Avenue, Campus Box 8118, St. Louis, MO 63110. Phone: (314) 362-1547. Fax: (314) 362-1461. E-mail: dunne{at}wustl.edu

{triangledown} Published ahead of print on 14 January 2009.


Journal of Clinical Microbiology, March 2009, p. 817-818, Vol. 47, No. 3
0095-1137/09/$08.00+0     doi:10.1128/JCM.02173-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.