Journal
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
Volume 81, Issue 2, Pages 89-93Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.diagmicrobio.2014.11.001
Keywords
Blood culture; Blood volume; Monitoring; Aerobic bottle; Anaerobic bottle
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The BACTEC (TM) FX (BD, USA) has been recently upgraded to measure virtual blood volume (W) in batches of 25 PLUS Aerobic/F bottles. VVs were compared with manually measured actual volumes (AVs). The mean AV was larger in anaerobic bottles: 2.6 +/- 1.9 mL in 2995 Aerobic/F bottles and 3.3 +/- 1.8 mL in 3053 Lytic/10 Anaerobic/F bottles (P< 0.001). The VV of Aerobic/F bottles was 2.4 +/- 1.4 mL, and there was a significant correlation between the Ws and AVs of each department (P < 0.001). The potential positivity in aerobic bottles increased 1.2-fold with a 1-mL increase in the AV (P < 0.001). AV and VV were consistently less than adequate. Although the proportional effect of volume on positivity can be proven only with the AV, VVs are a reliable substitute for AVs to monitor the overall blood volumes and provide feedback to the individual departments or locations. (C) 2015 Elsevier Inc. All rights reserved.
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