MOLECULAR MICROBIOLOGY
Time taken for results to be reported Microbiology laboratory
Average time for results
Average time for Negative report Average time for Positive report Shortest time for a report Longest time for a report
ID NOW
Shortest time for result Longest time for result
Average time for a report to be sent
2 minutes 6 minutes 11 minutes
Average Longest Shortest
providing excellent diagnostic data that consequently have supported clinicians in antimicrobial stewardship.
References 1 Zhi X, Li HK, Li H et al. Emerging Invasive
Group A Streptococcus M1UK Lineage
Detected by Allele-Specific PCR, England, 2020. Emerg Infect Dis. 2023 May; 29 (5): 1007–10. doi: 10.3201/eid2905.221887
2 Li HK, Zhi X, Vieira A et al. Characterization of emergent toxigenic M1UK Streptococcus pyogenes and associated sublineages. Microb Genom. 2023 Apr; 9 (4): mgen000994. doi: 10.1099/ mgen.0.000994.
Length of time in ED (hours) During ID NOW verification 6
15 1.25
Sensitivity Specificity
100.00% 81.40%
ID NOW live 5 9 1
Table 1. A comparison of results obtaining using the Abbott ID NOW Strep A test and conventional laboratory culture.
3 East Midlands Paediatric Critical Care ODN. UKHSA update on scarlet fever and invasive Group A Strep. 2 December 2022 (
www.eastmidlandskids.nhs.uk/news/ ukhsa-update-scarlet-fever-and-invasive- group-strep).
4 NHS England. Group A Streptococcus: reinstatement of NICE sore throat guidance for children and young people and withdrawal of NHS England interim guidance. PRN00247. 16 February 2023 (
https://www.england.nhs.uk/wp-content/ uploads/2022/12/PRN00247_Group-A- Streptococcus-reinstatement-of-NICE-sore- throat-guidance-for-children-and-young- people-and-wi.pdf).
AI for Microscopy
‘Mayo Clinic Platform and Techcyte announce a strategic collaboration’
Link t o Ar tic le
Naomi Mason and Yusuf Gray, Pathology – Point of Care Technologies; Dr Catherine Hearnshaw, Paediatric Emergency Medicine Consultant, Children’s Emergency Department; Katherine Hardy, Consultant Clinical Scientist, Pathology – Microbiology; Simon Atkin and Paige Chattaway, Microbiology. University Hospitals of Derby and Burton NHS Foundation Trust.
Naomi.Ball1@
nhs.net
This article is based on a poster presented at the IBMS Congress 2023 event, held last September at the International Convention Centre in Birmingham.
Patients in A&E 49
Patients prescribed antibiotics 16
71.25 hours 38.12 hours
Interim 56, Full 120 25 hours 144 hours
Abbott ID NOW Laboratory comparisons
True positives False positives True negatives False negatives
Performance of Step A assay Total = 49
6 8
35 0
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