Table 5.
Rapid diagnostic tools for early optimization of antimicrobial therapy in patients with bloodstream infections: methods, turn-around time and diagnostic performances
Name | Manufacturer | Method | Input | TAT | Sensitivity | Specificity | References |
---|---|---|---|---|---|---|---|
MagicplexTM Sepsis Test | Seegene | RT-PCR | Blood sample | 5 h | 0.65 | 0.92 | Carrara et al. [135] |
0.29 | 0.95 | Zboromyrska et al. [136] | |||||
0.47 | 0.66 | Ziegler et al. [137] | |||||
T2Bacteria® Panel | T2Biosystems | Magnetic resonance | Blood sample | 3.5 | 0.9% (95% CI, 0.76–0.96) | 0.9 (95% CI, 0.88–0.91) | Nguyen et al. [28] |
FilmArray® Blood Culture | bioFire | PCR | Positive BC | 1 h | 0.92-1a | 0.76-1a | Altun et al. [138] |
0.95 | ND | Bhatti et al. [139] | |||||
Verigene® Blood culture tests | Luminex | PCR | Positive BC | 2.5 h | 0.99 | ND | Bhatti et al. [139] |
0.95 | ND | Kim et al. [140] | |||||
Accelerate Pheno™ | Accelerate Diagnostics | FISH and microscopy | Positive BC |
1.5 h (identification) 7 h (AST) |
0.95 | 0.99 | Lutgring et al. [141] |
0.96 | 0.99 | Charnot-Katsikas et al. [142] | |||||
VitekMS Biotyper |
bioMérieux Bruker |
MALDI-TOF | Positive BC | <1 h (identification), < 1 h-4 h (AST) |
Concordance for Gram-negativeb: 0.83–1 Concordance for Gram-positiveb: 0.32–0.89 |
Faron [31] |
RT-PCR real-time polymerase chain reaction, ESI–MS electrospray ionization mass spectrometry, BC blood culture, FISH fluorescence in situ hybridization, AST antibiotic susceptibility testing, MALDI-TOF matrix-assisted laser desorption ionization–time of flight mass spectrometry
aAccording to the target
bIdentification at the species level