The goal of this clinical trial is to monitor hemodynamic differences between central veno-arterial extracorporeal membrane oxygenation (VA ECMO) and peripheral VA ECMO. The main question it aims to answer is: * Efficacy of the different cannulation strategies for the establishment of for VA-ECMO circulation on hemodynamics and organ perfusion. Participants require VA ECMO support, will be divided into two groups in an intention-to-treat analysis: central artery cannulation and peripheral artery cannulation. Researchers will analyze different cannulation strategies for VA-ECMO and identify potential advantages and disadvantages for two groups of VA-ECMO.
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Oxygen saturation-no. (%)
Timeframe: Through VA ECMO support completion, an average of 1 week
Left ventricular end-diastolic volume (ml)
Timeframe: Through VA ECMO support completion, an average of 1 week
Left ventricular End-systolic volume (ml)
Timeframe: Through VA ECMO support completion, an average of 1 week
Stroke volume (ml)
Timeframe: Through VA ECMO support completion, an average of 1 week
Mitral valve area(cm2)
Timeframe: Through VA ECMO support completion, an average of 1 week