Comparing the Clinical Utility of Rapid Diagnostics for Treatment of Bloodstream Infections Using Desirability of Outcome Ranking Approach for the Management of Antibiotic Therapy (DOOR-MAT)

Decisions regarding which rapid diagnostic test (RDT) for bloodstream infections to implement remain challenging given the diversity of organisms detected by different platforms. We used the desirability of outcome ranking management of antimicrobial therapy (DOOR-MAT) as a framework to compare two RDT platforms on potential desirability of antimicrobial therapy decisions. An observational study was performed at University of Maryland Medical System comparing Verigene blood culture (BC) to GenMark Dx ePlex blood culture ID (BCID) (research use only) panels on blood cultures from adult patients. Positive percent agreement (PPA) between each RDT platform and Vitek MS was calculated for comparison of on-panel targets. Theoretical antimicrobial decisions were made based on RDT results, taking into consideration patient parameters, antimicrobial stewardship practices, and local infectious diseases epidemiology. DOOR-MAT with a partial credit scoring system was applied to these decisions, and mean scores were compared across platforms using a paired t test. The study consisted of 160 unique patients. The Verigene BC PPA was 98.6% (95% confidence interval [CI], 95.1 to 99.8), and ePlex BCID PPA was 98% (95% CI, 94.3 to 99.6). Among the 31 organisms not on the Verigene BC panels, 61% were identified by the ePlex BCID panels. The mean (standard deviation [SD]) DOOR-MAT score for Verigene BC was 86.8 (28.5), while that for ePlex BCID was 91.9 (23.1) (P = 0.01). Both RDT platforms had high PPA for on-panel targets. The ePlex BCID was able to identify more organisms than Verigene, resulting in higher mean DOOR-MAT scores.

Medienart:

E-Artikel

Erscheinungsjahr:

2021

Erschienen:

2021

Enthalten in:

Zur Gesamtaufnahme - volume:65

Enthalten in:

Antimicrobial agents and chemotherapy - 65(2021), 9 vom: 17. Aug., Seite e0044121

Sprache:

Englisch

Beteiligte Personen:

Claeys, Kimberly C [VerfasserIn]
Hopkins, Teri L [VerfasserIn]
Schlaffer, Kathryn [VerfasserIn]
Hitchcock, Stephanie [VerfasserIn]
Jiang, Yunyun [VerfasserIn]
Evans, Scott [VerfasserIn]
Johnson, J Kristie [VerfasserIn]
Leekha, Surbhi [VerfasserIn]

Links:

Volltext

Themen:

Anti-Bacterial Agents
Anti-Infective Agents
Antibiotic stewardship
Bloodstream infections
Journal Article
Observational Study
Rapid diagnostic testing
Research Support, Non-U.S. Gov't

Anmerkungen:

Date Completed 24.08.2021

Date Revised 18.02.2022

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1128/AAC.00441-21

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM327748583