ArticleArchivos de cardiologia de Mexico2026
Factors that impact in-hospital mortality due to STEMI versus NSTEMI in a first percutaneous coronary intervention: survival analysis.
Article in Archivos de cardiologia de Mexico, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveAcute coronary syndrome is a potentially fatal disease if it is not intervened in a timely and appropriate manner. In Colombia in 2021, 51,988 deaths were recorded from this cause. The aim is to compare the clinical characteristics of ST-elevation myocardial infarction (STEMI) and non-ST elevation acute myocardial infarction (NSTEMI) and percutaneous coronary intervention (PCI), determining in-hospital (< 30 days) survival with factors associated with mortality.
methodsProspective cohort study (2020-2021), with survival analysis using the Kaplan-Meier method and Cox regression model to determine predictive factors that impacted in-hospital mortality in a high-complexity institution, Medellín, Colombia.
resultsOf 504 participants, 53% had STEMI, and 47% had NSTEMI. Median age 64 years (interquartile range 57-73), 66% were men. In-hospital survival in NSTEMI was 98.3% (95% confidence interval [CI]: 97-100), and STEMI was 93.7% (95% CI: 91-97). Significant predictors that impacted in-hospital mortality for STEMI were: Age > 65 years (hazard ratio [HR]: 3.47 p: 042), Diabetes (HR: 5.07 p: 0.002), Killip IV (HR: 21.6 p < 0.001) and post-PCI Arrhythmia (HR: 6 p: 0.002). In contrast, predictors for NSTEMI were Cardiogenic Shock (HR: 23.3 p: 0.047) and post-PCI arrhythmia (HR: 23.4 p: 0.047).
conclusionPatients with Killip IV NSTEMI and post-PCI arrhythmia constitute a group at higher cardiovascular risk with a higher in-hospital mortality than STEMI patients. Furthermore, diabetes is a modifiable risk factor that could impact early survival in STEMI patients after PCI.
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