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Performance of a multiplex polymerase chain reaction panel for identifying bacterial pathogens causing pneumonia in critically ill patients with COVID-19
Diagnostic Microbiology and Infectious Disease ( IF 2.1 ) Pub Date : 2020-08-21 , DOI: 10.1016/j.diagmicrobio.2020.115183
François Caméléna , Anne-Clotilde Moy , Emmanuel Dudoignon , Thibaut Poncin , Benjamin Deniau , Lucie Guillemet , Jérôme Le Goff , Mélissa Budoo , Mourad Benyamina , Maïté Chaussard , Maxime Coutrot , Matthieu Lafaurie , Benoît Plaud , Alexandre Mebazaa , François Depret , Béatrice Berçot

The FilmArray® Pneumonia Plus (FA-PP) panel can provide rapid identifications and semiquantitative results for many pathogens. We performed a prospective single-center study in 43 critically ill patients with coronavirus disease 2019 (COVID-19) in which we performed 96 FA-PP tests and cultures of blind bronchoalveolar lavage (BBAL). FA-PP detected 1 or more pathogens in 32% (31/96 of samples), whereas culture methods detected at least 1 pathogen in 35% (34/96 of samples). The most prevalent bacteria detected were Pseudomonas aeruginosa (n = 14) and Staphylococcus aureus (n = 11) on both FA-PP and culture. The FA-PP results from BBAL in critically ill patients with COVID-19 were consistent with bacterial culture findings for bacteria present in the FA-PP panel, showing sensitivity, specificity, and positive and negative predictive value of 95%, 99%, 82%, and 100%, respectively. Median turnaround time for FA-PP was 5.5 h, which was significantly shorter than for standard culture (26 h) and antimicrobial susceptibility testing results (57 h).



中文翻译:

多重聚合酶链反应专家小组在重症COVID-19患者中鉴定导致肺炎的细菌病原体的性能

FilmArray®Pneumonia Plus(FA-PP)面板可以为许多病原体提供快速鉴定和半定量结果。我们对43名2019年冠状病毒病重症患者(COVID-19)进行了一项前瞻性单中心研究,其中我们进行了96次FA-PP测试和盲支气管肺泡灌洗(BBAL)培养。FA-PP在32%(样本的31/96)中检测到1种或多种病原体,而培养方法在35%(样本的34/96)中检测到至少一种病原体。检测到的最普遍的细菌是铜绿假单胞菌n  = 14)和金黄色葡萄球菌n = 11)在FA-PP和文化上。BBAL的COVID-19重症患者的FA-PP结果与FA-PP面板中细菌的细菌培养结果一致,显示出敏感性,特异性以及阳性和阴性预测值分别为95%,99%,82 %和100%。FA-PP的中位周转时间为5.5 h,明显短于标准培养(26 h)和抗菌药敏测试结果(57 h)。

更新日期:2020-10-16
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