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Impact of Organism Identification Method on Central Line-Associated Bloodstream Infection Designation

  • Emily J. Gomez (a1), Amity L. Roberts (a2), Diana P. Robinson (a1), Kevin Alby (a3), Nathan A. Ledeboer (a4), Christopher D. Doern (a5), David W. Lander (a2), Gonzalo Bearman (a5) and Kaede V. Sullivan (a6)...


Corresponding author

Address correspondence to Kaede V. Sullivan, MD, Temple University Hospital, 3401 Broad St, Rm A2 F329, Philadelphia, PA 19140 (


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Present affiliation: Clinical Laboratory, Abington-Jefferson Health, Abington, Pennsylvania.

PREVIOUS PRESENTATION. This work was presented as an abstract at the ASM Microbe 2016 annual meeting in Boston, Massachusetts on June 19, 2016



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1. Vital signs: central line–associated bloodstream infections—United States, 2001, 2008, and 2009. Morb Mortal Wkly Rep 2011;60:243–248.
2. Bloodstream infection event (central line-associated bloodstream infection and non-central line-associated bloodstream infection). Centers for Disease Control and Prevention website. Accessed February 15, 2017.
3. Patel, R. Matrix-assisted laser desorption ionization-time of flight mass spectrometry in clinical microbiology. Clin Infect Dis 2013;57:564572.
4. York, MK, Traylor, MM, Hardy, J, Henry, M. Biochemical tests for the identification of aerobic bacteria. In: Garcia LS, ed Clinical Microbiology Procedures Handbook. 3rd ed. Washington, DC: ASM Press; 2010. 3.17.38.
5. Picard, FJ, Ke, D, Boudreau, DK, et al. Use of tuf sequences for genus-specific PCR detection and phylogenetic analysis of 28 streptococcal species. J Clin Microbiol 2004;42:36863695.
6. Loonen, AJ, Jansz, AR, Stalpers, J, Wolffs, PF, van den Brule, AJ. Comparative study using phenotypic, genotypic, and proteomics methods for identification of coagulase-negative staphylococci. Eur J Clin Microbiol Infect Dis 2012;31:15751583.
7. Dupont, C, Sivadon-Tardy, V, Bille, E, et al. Identification of clinical coagulase-negative staphylococci, isolated in microbiology laboratories, by matrix-assisted laser desorption/ionization-time of flight mass spectrometry and two automated systems. Clin Microbiol Infect 2010;16:9981004.
8. Alatoom, AA, Cunningham, SA, Ihde, SM, Mandrekar, J, Patel, R. Comparison of direct colony method versus extraction method for identification of gram-positive cocci by use of Bruker Biotyper matrix-assisted laser desorption ionization-time of flight mass spectrometry. J Clin Microbiol 2011;49:28682873.
9. Rychert, J, Burnham, CA, Bythrow, M, et al. Multicenter evaluation of the Vitek MS matrix-assisted laser desorption ionization-time of flight mass spectrometry system for identification of gram-positive aerobic bacteria. J Clin Microbiol 2013;51:22252231.
10. Branda, JA, Markham, RP, Garner, CD, Rychert, JA, Ferraro, MJ. Performance of the Vitek MS v2.0 system in distinguishing Streptococcus pneumoniae from nonpneumococcal species of the Streptococcus mitis group. J Clin Microbiol 2013;51:30793082.
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