Evaluation of the Lyra Direct Strep Assay To Detect Group A Streptococcus and Group C and G Beta-Hemolytic Streptococcus from Pharyngeal Specimens |
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| Authors: | Bobby L. Boyanton Jr. Elizabeth M. Darnell Anne E. Prada Dana M. Hansz Barbara Robinson-Dunn |
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| Affiliation: | aDepartment of Pathology & Laboratory Medicine, Beaumont Health, Royal Oak, Michigan, USA;bOakland University William Beaumont School of Medicine, Rochester, Michigan, USA |
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| Abstract: | The Lyra Direct strep assay was compared to culture for its ability to detect Streptococcus group A and β-hemolytic groups C/G using rapid antigen-negative pharyngeal specimens (n = 161). The Lyra assay correctly detected all β-hemolytic streptococci (group A, n = 19; group C/G, n = 5). In batch mode, the Lyra assay reduced intralaboratory turnaround time by 60% (18.1 h versus 45.0 h) but increased hands-on time by 96% (3 min 16 s versus 1 min 40 s per specimen). |
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