Sepsis & infection

Clinical application of targeted next-generation sequencing in severe pneumonia: a retrospective review

Crit CarePublished Retrospective diagnostic accuracy study

Authors' conclusion

The application of tNGS highlights its promise and significance in assessing the effectiveness of clinical interventions and providing guidance for anti-infection therapies for severe pneumonia.

Study context

Population
Patients with severe pneumonia treated in the ICU, June 2022 to June 2023
Participants
130 patients
Comparison
Targeted next-generation sequencing (tNGS) vs metagenomics next-generation sequencing (mNGS), culture and RT-qPCR, against clinical diagnosis
Outcome
Consistency of tNGS, mNGS and culture results with the clinical diagnosis

Performance

As reported in the abstract

Concordance with clinical diagnosis
Test or modelValueConcordance rate
tNGSover 70%over 70%

tNGS

Valueover 70%
Concordance rateover 70%

Further findings

tNGS microbiological surveillance (subgroup: 5 patients with complicated infections) · during treatment

tNGS results consistent with culture and imaging results

tNGS drug resistance vs culture drug sensitivity

Agreement in ≈65% of cases

Original publication

Clinical application of targeted next-generation sequencing in severe pneumonia: a retrospective review. Crit Care. Published 8 July 2024. doi:10.1186/s13054-024-05009-8

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