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  • Title: Management and predictors of outcome in unselected patients with cardiogenic shock complicating acute ST-segment elevation myocardial infarction: results from the Bremen STEMI Registry.
    Author: Backhaus T, Fach A, Schmucker J, Fiehn E, Garstka D, Stehmeier J, Hambrecht R, Wienbergen H.
    Journal: Clin Res Cardiol; 2018 May; 107(5):371-379. PubMed ID: 29230546.
    Abstract:
    INTRODUCTION: Patients with ST-segment elevation myocardial infarction (STEMI) and consecutive cardiogenic shock (CS) represent a challenge in clinical practice. Only few 'real-world' data on therapeutic management and outcome exist. METHODS: The present analysis focuses on changes of clinical management of STEMI-patients with CS and analyzes predictors of outcome using the Bremen-STEMI registry. RESULTS: Out of 7865 patients with STEMI, 981 patients (13%) presented with CS. Most CS patients (88%) underwent an early percutaneous intervention (PCI). Intraaortic balloon pumps (IABP) were less implanted since 2013 (p < 0.001), the rate of drug-eluting stents and periprocedural prasugrel or ticagrelor therapy increased over the years. Overall in-hospital mortality of patients with CS was 37%, 1 year mortality was 50%. A significantly reduced 1-year mortality (2006-2009: 55%, 2010-2013: 50%; 2014-2015: 43%, p = 0.027) was observed. In a multivariate analysis significant predictors of an increased 1-year mortality were acute renal failure (OR 3.6; 95% CI 1.9-7.0), atrial fibrillation (OR 2.8; 95% CI 1.3-6.0), three-vessel disease (OR 2.5; 95% CI 1.3-4.7), age ≥ 75 years (OR 2.4, 95% CI 1.3-4.4) and anemia (OR 1.9; 95% CI 1.1-3.3). A successful performed PCI (OR 0.5, 95% CI 0.2-0.9) was associated with a significantly reduced 1-year mortality. CONCLUSION: management of patients with CS changed with a steep decrease of IABP implantations. Mortality of patients with CS decreased over the last 10 years. Especially, performance of successful PCI was associated with a reduction of mortality, indicating the crucial role of early revascularization to improve prognosis in this high-risk cohort of STEMI-patients.
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