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Journal of Clinical Microbiology, May 2004, p. 2258-2260, Vol. 42, No. 5
0095-1137/04/$08.00+0     DOI: 10.1128/JCM.42.5.2258-2260.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.

Accuracy and Appropriateness of Antimicrobial Susceptibility Test Reporting for Bacteria Isolated from Blood Cultures

Daniel J. Diekema,1,2* Kathleen Lee,1 Patti Raney,3 Loreen A. Herwaldt,1 Gary V. Doern,2 and Fred C. Tenover3

Division of Infectious Diseases, Department of Internal Medicine,1 Division of Medical Microbiology, Department of Pathology, University of Iowa Carver College of Medicine, Iowa City, Iowa 52246,2 Centers for Disease Control and Prevention, Atlanta, Georgia 303333

Received 4 September 2003/ Returned for modification 18 November 2003/ Accepted 18 February 2004

Accurate antimicrobial susceptibility testing (AST) and appropriate reporting of AST results for pathogens isolated from blood cultures are critical functions of the microbiology laboratory. We studied AST performance and reporting from positive blood cultures at hospital microbiology laboratories in Iowa. One hundred sixteen episodes of bacteremia from 14 participating hospitals were examined. We detected AST or identification errors for 18 episodes (16%) and judged reporting of AST results to be inappropriate for 38 episodes (33%). Further study is necessary to determine the impact of testing errors and suboptimal reporting of results on the management of bloodstream infection.

* Corresponding author. Mailing address: University of Iowa Hospital, C 521 GH, 200 Hawkins Dr., Iowa City, IA 52242. Phone: (319) 356-8615. Fax: (319) 356-4916. E-mail: daniel-diekema{at}uiowa.edu.

Journal of Clinical Microbiology, May 2004, p. 2258-2260, Vol. 42, No. 5
0095-1137/04/$08.00+0     DOI: 10.1128/JCM.42.5.2258-2260.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.





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