BACKGROUND AND OBJECTIVES: The relevance of the use of intra-aortic balloon pump (IABP) in cardiogenic shock (CS) has been discussed over the past years. The aim of this study is to describe a single-centre 10-year experience with IABP and analyse the risk factors for 30-day mortality. METHODS: The data for this single-centre, observational, retrospective study were drawn from records dated from January 2012 to May 2022 pertaining to patients presenting with CS, treated with IABP and hospitalised at the Department of Acute Cardiology, Institute for Clinical and Experimental Medicine, Prague. RESULTS: Among the patients included in the study, 87% patients presented with newly developed heart failure. The leading cause of CS was acute myocardial infarction accounting for 86% of cases. Hospital mortality was recorded at 39% and the 30-day mortality reached 43%. Upon multi-variable analysis, only the vasoactive inotropic score on day 5 emerged as a statistically significant predictor for 30-day mortality (p=0.0055). Cox regression analysis revealed that the presence of mechanical complications was the only variable identified as yielding a statistically significant impact on the 30-day survival (Log-rank p=0.014, HR 2.19, 95% CI: 1.15‒4.15). There was no statistically significant difference in the 30-day mortality across the SCAI classes. CONCLUSION: The main cause of CS was a newly developed acute heart failure secondary to acute myocardial infarction. Despite the implementation of mechanical circulatory support, both in-hospital and 30-day mortality rates remained high. Increased vasoactive inotropic score and presence of mechanical complications were identified as significant predictors the 30-day survival (Tab. 6, Fig. 1, Ref. 36).

Department of Cardiology Institute for Clinical and Experimental Medicine Prague Czech Republic

Faculty of Medicine Comenius University in Bratislava Bratislava Slovakia

Premedix Academy Bratislava Slovakia

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