Abstract
Objective: To describe the association between the transition of SCAI stage and clinical outcomes in patients with acute myocardial infarction. Subjects and methods: A cross-sectional study on 156 patients with acute myocardial infarction at Heart Institute, Bach Mai Hospital from 8/2022 to 2/2023. Clinical status, laboratory parameters and SCAI classification were assessed at the time of admission and 24 hours after admission. Clinical outcomes at the hospital included death and the patient was discharged in severe condition. Results: The distribution of the patients across SCAI shock stages on admission was 46.2%, 19.2%, 30.8%, 2.5% and 1.3% to A, B, C, D and E, respectively. Statistically significant difference in SCAI stages were observed in clinical and laboratory parameters such as heart rate, cardiac biomarker concentrations, pH and blood lactate. The clinical outcomes were significantly higher in the more severe SCAI stage. The SCAI shock transition was determined at 24 hours, 14.1% improved, 60.3% remained and 25.6% worsened SCAI stage. Improved SCAI stages were associated with better clinical outcomes (OR 0.06; 95% CI 0.02 – 0.14). Worse SCAI stages were associated with an increase in clinical outcomes (OR 9.00; 95% CI 3.20–25.29). Conclusion: Transitions of SCAI stage are valuable in predicting clinical outcomes in patients with acute myocardial infarction.