Coronary disease & ACS

Rule-out of non-ST-segment elevation acute coronary syndrome by a single, pre-hospital troponin measurement: a randomized trial

Eur Heart JPublished Randomised controlled trial

Primary result · Healthcare costsResult — go to the resultMean difference 611 € 95% CI 353–869

Authors' conclusion

Pre-hospital rule-out of ACS with a POC troponin measurement in low-risk patients significantly reduces healthcare costs while incidence of MACE was low in both strategies.

Study context

Population
Suspected NSTE-ACS patients with HEAR score ≤3 (low risk), ambulance care
Participants
863 patients
Comparison
Pre-hospital rule-out with point-of-care (POC) troponin vs direct transfer to the emergency department (ED)
  • Pre-hospital strategyn = 434
  • ED strategyn = 429reference
Primary endpoint
Healthcare costs
Follow-up
30 days
Methodological detailsinvestigator-initiated, 5 ambulance regions in the Netherlands
  • Investigator-initiated
  • 5 ambulance regions in the Netherlands

Primary result

As reported in the abstract

Mean difference

611 €

95% CI 353–869

P < 0.001

By group

Pre-hospital strategy

€1349

± €2051

ED strategy

€1960

± €1808

Pre-hospital strategyvs ED strategy
mean difference 611 € (95% CI 353–869); P < 0.001

Safety

MACE (ACS, unplanned revascularization or all-cause death), total population · 30 days · comparable · secondary outcome

P = 0.89

OutcomePre-hospital strategyED strategyRisk difference (95% CI)P value
MACE, ruled-out ACS population · 30 days0.5%1.0%−0.5% (−1.6%-0.7%)P = 0.41

Original publication

Rule-out of non-ST-segment elevation acute coronary syndrome by a single, pre-hospital troponin measurement: a randomized trial. Eur Heart J. Published 9 February 2023. doi:10.1093/eurheartj/ehad056

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