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Volume 49, Number 2, April 2016

How quickly can conventional organism identification deliver reports for positive blood cultures in real life? 

Pak-Leung Ho, Pierra Y. Law, Ka-Ying Ng, Mei-Kum Yan, Vincent C.C. Cheng


Corresponding author:

Corresponding author. Pak-Leung Ho,Department of Microbiology and Carol Yu Centre for Infection, The University of Hong Kong, Queen Mary Hospital, 102 Pokfulam Road, Pokfulam, Hong Kong. 


Background and purpose: 

Therapeutic options for bloodstream infections caused by resistant bacteria are limited, leading to “hit and missed” situations in which the initial antimicrobial therapy is ineffective against the infecting organisms.1,2 Therefore, there has been increasing interest to implement new technologies such as matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) for rapid organism identification.3 Here, the computerized database from January 2012 to December 2012 in a clinical microbiology laboratory for blood cultures was used to assess how the turnaround time might be affected by the implementation of MALDI-TOF technologies for rapid organism identification.