Abstract
Objectives
The objective of our work is to evaluate the prognostic benefit of an early invasive strategy in patients with high-risk NSTACS according to the recommendations of the 2020 clinical practice guidelines during long-term follow-up.
Methods
This retrospective observational study included 6454 consecutive NSTEACS patients. We analyze the effects of early coronary angiography (< 24 h) in patients with: (a) GRACE risk score > 140 and (b) patients with “established NSTEMI” (non ST-segment elevation myocardial infarction defined by an increase in troponins) or dynamic ST-T-segment changes with a GRACE risk score < 140.
Results
From 2003 to 2017, 6454 patients with “new high-risk NSTEACS” were admitted, and 6031 (93.45%) of these underwent coronary angiography. After inverse probability of treatment weighting, the long-term cumulative probability of being free of all-cause mortality, cardiovascular mortality and MACE differed significantly due to an early coronary intervention in patients with NSTEACS and GRACE > 140 [HR 0.62 (IC 95% 0.57–0.67), HR 0.62 (IC 95% 0.56–0.68), HR 0.57 (IC 95% 0.53–0.61), respectively]. In patients with NSTEACS and GRACE < 140 with established NSTEMI or ST/T-segment changes, the benefit of the early invasive strategy is only observed in the reduction of MACE [HR 0.62 (IC 95% 0.56–0.68)], but not for total mortality [HR 0.96 (IC 95% 0.78–1.2)] and cardiovascular mortality [HR 0.96 (IC 95% 0.75–1.24)].
Conclusions
An early invasive management is associated with reduced all-cause mortality, cardiovascular mortality and MACE in NSTEACS with high GRACE risk score. However, this benefit is less evident in the subgroup of patients with a GRACE score < 140 with established NSTEMI or ST/T-segment changes.
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Data availability
The data that support the findings of this study are available from the corresponding author upon reasonable request.
Abbreviations
- ACS:
-
Acute coronary syndrome
- MACE:
-
Major adverse cardiac events
- NSTEACS:
-
Non-ST-segment elevation acute coronary syndrome
- NSTEMI:
-
Non-ST-segment elevation myocardial infarction
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Martinón-Martínez, J., Álvarez Álvarez, B., González Ferrero, T. et al. Prognostic benefit from an early invasive strategy in patients with non-ST elevation acute coronary syndrome (NSTEACS): evaluation of the new risk stratification in the NSTEACS European guidelines. Clin Res Cardiol 110, 1464–1472 (2021). https://doi.org/10.1007/s00392-021-01829-8
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DOI: https://doi.org/10.1007/s00392-021-01829-8