Is rapid acute coronary syndrome evaluation with high-sensitivity cardiac troponin less costly? An economic evaluation

Shooshan Danagoulian*, Joseph Miller, Bernard Cook, Satheesh Gunaga, Raef Fadel, Chaun Gandolfo, Nicholas L Mills, Shalini Modi, Simon Mahler, Phillip Levy, Sachin Parikh, Seth Krupp, Khaled Abdul-Nour, Howard Klausner, Steven Rockoff, Ryan Gindi, Aaron Lewandowski, Michael Hudson, Guiseppe Perrotta, Brian ZweigDavid Lanfear, Henry Kim, Elizabeth Shaheen, Gale Darnell, Hashem Nassereddine, Kegham Hawatian, Amy Tang, Catriona Keerie, James McCord

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

Objective
Protocols to evaluate for myocardial infarction (MI) using high-sensitivity cardiac troponin (hs-cTn) have the potential to drive costs upward due to the added sensitivity. We performed an economic evaluation of an accelerated protocol (AP) to evaluate for MI using hs-cTn to identify changes in costs of treatment and length of stay compared with conventional testing.

Methods
We performed a planned secondary economic analysis of a large, cluster randomized trial across nine emergency departments (EDs) from July 2020 to April 2021. Patients were included if they were 18 years or older with clinical suspicion for MI. In the AP, patients could be discharged without further testing at 0 h if they had a hs-cTnI < 4 ng/L and at 1 h if the initial value were 4 ng/L and the 1-h value ≤7 ng/L. Patients in the standard of care (SC) protocol used conventional cTn testing at 0 and 3 h. The primary outcome was the total cost of treatment, and the secondary outcome was ED length of stay.

Results
Among 32,450 included patients, an AP had no significant differences in cost (+$89, CI: −$714, $893 hospital cost, +$362, CI: −$414, $1138 health system cost) or ED length of stay (+46, CI: −28, 120 min) compared with the SC protocol. In lower acuity, free-standing EDs, patients under the AP experienced shorter length of stay (−37 min, CI: −62, 12 min) and reduced health system cost (−$112, CI: −$250, $25).

Conclusion
Overall, the implementation of AP using hs-cTn does not result in higher costs.
Original languageEnglish
Article numbere13140
Number of pages8
JournalJournal of the American College of Emergency Physicians Open
Volume5
Issue number2
DOIs
Publication statusPublished - 2 Apr 2024

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