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Validation of the Accuracy of Automatic Measurement of Blood Volume in Culture Bottles for Blood Culture

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Author(s)
Kyoungbo KimSunggyun Park
Keimyung Author(s)
Kim, Kyoung BoPark, Sung Gyun
Department
Dept. of Laboratory Medicine (진단검사의학)
Journal Title
Diagnostics (Basel)
Issued Date
2023
Volume
13
Issue
16
Keyword
blood cultureblood volumebloodstream infection
Abstract
Several manufacturers have developed systems that automatically measure the amount of blood in culture bottles. We compared the volumes measured automatically by the Virtuo instrument (bioMérieux, France) (height-based volumes) and those calculated by weighing the bottles. In all, 150 pairs of aerobic and anaerobic blood culture bottles (BacT/ALERT FA/FN Plus, bioMérieux) were randomly selected over two periods to compare the height- and weight-based volumes and analyze the effect of foam. We also estimated the limit of detection (LOD) and the cut-off value for 5 mL equine blood. The mean height-based volume was approximately 0.67 mL greater than the weight-based volume, particularly in anaerobic culture bottles. Foam did not have a significant effect. The LOD for the automatic height-based volume of equine blood was 0.2-0.4 mL. The 5 mL cut-off was 4-4.2 mL. Therefore, when reporting or monitoring blood volume within culture bottles in the laboratory, these performance characteristics should be adequately considered.
Keimyung Author(s)(Kor)
김경보
박성균
Publisher
School of Medicine (의과대학)
Type
Article
ISSN
2075-4418
Source
https://www.mdpi.com/2075-4418/13/16/2685
DOI
10.3390/diagnostics13162685
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/45202
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학)
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