期刊
BRAZILIAN JOURNAL OF MICROBIOLOGY
卷 51, 期 3, 页码 1103-1108出版社
SPRINGER
DOI: 10.1007/s42770-020-00298-x
关键词
Workflow blood culture; Bloodstream infections; Elapsed time; Blood culture incubator
类别
Purpose We analyzed the workflow of the blood culture procedure with one blood culture incubator in the microbiology laboratory, in comparison with the workflow with the incubators systems placing outside, and in a microbiology laboratory without 24-h staffing. Methods We assessed the elapsed time (ET) and time-to-result (TTR) in the two laboratory workflows during 1 month period in consecutive years. First period with one BACT/ALERT 3D module located in the microbiology laboratory (ML) (access 8 a.m. to 10 p.m.) and second period with three BACT/ALERT VIRTUO modules (one located in ML and two in the core sample laboratory, access 24 h). Results The mean ET with BACT/ALERT 3D was 7.09 +/- 6.15 h and 1.32 +/- 3.14 h with BACT/ALERT VIRTUO. During the 8:00 a.m. to 10:00 p.m. shift, the average ETs were 3.54 +/- 5.06 vs 1.59 +/- 1.29 h for the two time periods, respectively. Since the automated loading of bottles on the BACT/ALERT VIRTUO allows processing of blood cultures during the night shift, there was a significant reduction of time during the 10:00 p.m. to 8:00 a.m. shift, where the average ET was 10.52 +/- 5.23 vs 1.00 +/- 4.40 h, respectively. The percentage of positivity in the first period was 9.03% and 11.18% in the second (p = 0.0003). The average TTR in the first period was 24.78 +/- 15.9 h and 16.85 +/- 14.13 h in the second (p < 0.0001). Conclusions Easy 24-h access to blood culture incubators resulted in significant improvement in the workflow of blood culture, decreasing ET, and therefore decreasing the time to positivity and the efficiency of recovery.
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