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Research Article: Predictive value of combining leucocyte and platelet counts for mortality in ST-segment elevation myocardial infarction patients after percutaneous coronary intervention treatment in Chinese population: a retrospective cohort study

Date Published: 2023-07-18

Abstract:
Objective Risk stratification is challenging in patients with acute ST segment elevation myocardial infarction (STEMI) after primary percutaneous coronary intervention (PCI). We investigated the prognostic value of a novel score system combining leucocyte and platelet counts (COL-P) scores for in-hospital and long-term adverse outcomes. Design This was a retrospective cohort study of patients with STEMI. Setting First Affiliated Hospital of Xinjiang Medical University. Participants A total of 854 STEMI patients with primary PCI were included in this study from November 2009 and December 2015. Primary and secondary outcome measures Major adverse cardiovascular events (MACEs). Methodology The patients were divided into three groups according to the COL-P scores (0, 1 and 2). Cox regression analysis was used to investigate the relation between adverse outcomes and the COL-P score in patients with STEMI. Results A total of 44 patients died in hospital, and 99 within 3-year follow-up after discharge. The in-hospital and 3-year mortality and MACEs were higher in patients with higher COL-P score. Multivariable Cox regression indicated COL-P score was independently associated with long-term mortality (COL-P 1 vs COL-P 0: HR 2.07, 95%?CI 1.016 to 5.567, p=0.005; COL-P 2 vs COL-P 0: HR 5.02, 95%?CI 1.990 to 9.041, p<0.001). Conclusion The COL-P score was a useful risk system for stratifying high-risk patients with STEMI after primary PCI.

Introduction:
Acute ST segment elevation myocardial infarction (STEMI), a serious type of coronary artery atherosclerotic heart disease, has high incidence and mortality rates. Although the mortality of STEMI has decreased from 30%–35% in the 1960s to the current 10%–20% with advances in medicine, including cardiac intensive care units, emergency cardiovascular surgery, the effective promotion and application of interventional surgical coronary artery bypass grafting, especially in emergency cardiology (in particular primary…

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