Direct maldi-tof mass spectrometry assay of blood culture broths for rapid identification of Candida species causing bloodstream infections: an observational study in two large microbiology laboratories

J Clin Microbiol. 2012 Jan;50(1):176-9. doi: 10.1128/JCM.05742-11. Epub 2011 Nov 16.

Abstract

We evaluated the reliability of the Bruker Daltonik's MALDI Biotyper system in species-level identification of yeasts directly from blood culture bottles. Identification results were concordant with those of the conventional culture-based method for 95.9% of Candida albicans (187/195) and 86.5% of non-albicans Candida species (128/148). Results were available in 30 min (median), suggesting that this approach is a reliable, time-saving tool for routine identification of Candida species causing bloodstream infection.

Publication types

  • Comparative Study
  • Evaluation Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Blood / microbiology
  • Candida / chemistry
  • Candida / classification*
  • Candida / isolation & purification*
  • Candidemia / diagnosis*
  • Candidemia / microbiology
  • Humans
  • Microbiological Techniques / methods*
  • Sensitivity and Specificity
  • Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization / methods*
  • Time Factors