• Daniel Rob and Jan Belohlavek.
• 2 Department of Medicine - Department of Cardiovascular Medicine, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic.
• Curr Opin Crit Care. 2024 Aug 1; 30 (4): 371378371-378.

Purpose Of ReviewThis article offers an overview of recent randomized controlled trials (RCTs) testing the efficacy of veno-arterial extracorporeal membrane oxygenation (VA ECMO) and microaxial flow pump (mAFP) in treating cardiogenic shock, including findings from the DanGer shock trial. It summarizes the clinical implications and limitations of these studies and key decision-making considerations for cardiogenic shock device use.Recent FindingsDespite important limitations in all published RCTs, the routine use of VA ECMO for acute myocardial infarction related cardiogenic shock did not demonstrate benefit and should be reserved for selected patients with extreme forms of cardiogenic shock. Conversely, mAFP (Impella CP) appears promising for cardiogenic shock due to ST elevation myocardial infarction. A stepwise approach - initial mAFP use for cardiogenic shock with left ventricular failure, supplemented by VA ECMO if mAFP is inadequate or if severe right ventricular failure is present - may be preferable, but requires validation through RCTs. High complication rates in device arms underscore the need for careful patient selection, preventive strategies, education for centers and operators, and further research.SummaryRecent trials offer insights into mechanical circulatory support in cardiogenic shock, but their real-world applicability is limited. Despite potential benefits, the use of VA ECMO and mAFP is associated with significant complication rates, emphasizing the need for personalized use.Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.

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