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首页> 外文期刊>Journal of Medical Microbiology: An Official Journal of the Pathological Society of Great Britain and Ireland >Quality indicators for blood culture: 1 year of monitoring with BacT/Alert Virtuo at a French hospital
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Quality indicators for blood culture: 1 year of monitoring with BacT/Alert Virtuo at a French hospital

机译：血液文化质量指标：在法国医院进行Bact / Alert Virtuo监测1年

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Introduction Blood culture (BC) remains the gold standard for the diagnosis of bloodstream infection. Clinical microbiology laboratories must ensure the quality of their BC process from receipt to definitive results. Aim In this study, we followed the evolution of different quality indicators for BCs over the first year of implementation of the BacT/Alert Virtuo system in a French hospital. Methodology In our laboratory, we instituted regular monitoring of several quality indicators to track (i) delays in sample registration, (ii) delays in loading BC bottles in our incubating system (BacT/Alert Virtuo) after registration, (iii) the volume of blood in bottles and (iv) the contamination rates. Results For 53?892 BC bottles loaded in the BacT/Alert Virtuo from 23 January to 31 December 2019, the delays in sample registration, loading and unloading were respectively 3.5?h±0.016, 44?min±0.209?and 5.8?h±0.0727. Intriguingly, the automated process performed by the BacT/Alert Virtuo system to check the blood volume in bottles was only performed for 60?% of the loaded bottles. Among these, 30?% contained the recommended volume of blood (between 7 and 13?ml). Finally, the contamination rate was found to be 27.2?% for samples at our institution. Conclusions The delays in sample registration, loading and unloading were found to be acceptable, even though they could be improved by ensuring a continuous service during the night duty period. Furthermore, the percentage of volumes measured is insufficient and must be improved and the majority of bottles do not contain the recommended blood volume.
机译：简介血液培养（BC）仍然是血流感染诊断的金标准。临床微生物学实验室必须从收据到明确结果中确保其BC过程的质量。目的在这项研究中，我们遵循了法国医院Bact / Alert Virtuo系统实施的第一年的不同质量指标的演变。方法论在我们的实验室中，我们定期监测了几个质量指标，以跟踪（i）样品登记延迟，（ii）在注册后加载BC瓶装的延迟（Bact / Alert Virtuo），（iii）的数量瓶子和（iv）污染率。结果53？892 BC瓶装在Bact / Alert Virtuo中，从2019年1月23日到2019年12月31日，样品登记，装卸的延迟分别为3.5？H±0.016,44？最小±0.209？和5.8？H± 0.0727。有趣的是，由Bact / Alert Virtuo系统进行的自动化过程仅对瓶子中的血液体积进行检查，仅为60？％的装载瓶子进行。其中，30？％含有推荐的血液体积（7-13×mL）。最后，发现污染率为我们机构样本的27.2？％。结论发现样品登记，装卸的延误是可接受的，即使可以通过确保夜间值期间的连续服务来改善它们。此外，测量的量的百分比不足，必须改善，大部分瓶子不含推荐的血容量。

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