Key result
Patients with NSTEMI had a significantly higher rate of 3-year all-cause mortality after discharge compared to patients with STEMI (10.9% vs. 5.8%).
Why the study?
The study was designed to compare post-discharge mortality rates and identify specific mortality risk factors between patients with NSTEMI and STEMI.
Does NSTEMI compared to STEMI have different long-term mortality rates after discharge in patients with acute myocardial infarction?
Population
12271 acute myocardial infarction patients in the KAMIR-NIH registry
Comparison
NSTEMI (n=6443) vs STEMI (n=5828)
Design
Registry-based cohort study
Follow-up
3 years
Authors
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NSTEMI survivors warrant closer post-discharge monitoring than STEMI; observational data leave open whether targeted strategies improve outcomes.
Observational (n=12,271)
Yes
Does NSTEMI compared to STEMI have different long-term mortality rates after discharge in patients with acute myocardial infarction?
Hazard Ratio: 0.615 (95% CI 0.528–0.716)
Absolute Event Rate: 10.9% vs 5.8%
p-value: p=<0.001
Patients with NSTEMI have a significantly higher long-term all-cause and cardiac mortality rate after discharge compared to those with STEMI, with low LVEF and lack of PCI being major risk factors in the NSTEMI population.
Han et al. (2021) conducted an observational in Acute myocardial infarction (n=12,271). Non-ST-elevation myocardial infarction (NSTEMI) vs. ST-elevation myocardial infarction (STEMI) was evaluated on All-cause mortality at 3 years after discharge (HR 0.615, 95% CI 0.528-0.716, p=<0.001). Patients with NSTEMI had a significantly higher rate of 3-year all-cause mortality after discharge compared to patients with STEMI (10.9% vs. 5.8%).
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