Key result
Ortho hs-cTnI yields ~31% myocardial injury incidence in ED patients, exceeding the Abbott hs-cTnI assay.
Why the study?
Differences in patient classification of myocardial injury between hs-cTn assays have largely been attributed to assay design and analytical sensitivity aspects.
Does the OCD hs-cTnI assay yield a different incidence of myocardial injury compared to the Abbott hs-cTnI and OCD cTnI ES assays in emergency department patients?
Comparison
OCD hs-cTnI assay vs OCD contemporary cTnI ES vs Abbott hs-cTnI assay
Design
Multicenter observational comparative study
Authors
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Troponin assay choice may alter ED myocardial injury classification; leaves open standardization needs and outcome validation.
Observational (n=1,616)
Yes
Does the OCD hs-cTnI assay yield a different incidence of myocardial injury compared to the Abbott hs-cTnI and OCD cTnI ES assays in emergency department patients?
Absolute Event Rate: 30.9% vs 17.3%
The OCD hs-cTnI assay yields higher rates of biochemical injury and poor reproducibility compared to other troponin assays in emergency department populations, highlighting assay-specific differences in patient classification.
Kavsak et al. (2021) conducted an observational in Myocardial injury (n=1,616). Ortho Clinical Diagnostics hs-cTnI assay vs. Abbott hs-cTnI and OCD cTnI ES assays was evaluated on Incidence of myocardial injury. The Ortho Clinical Diagnostics hs-cTnI assay yielded a higher incidence of myocardial injury (30.9%) compared to the Abbott hs-cTnI (17.3%) and OCD cTnI ES (15.4%) assays in ED patients.
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