Synchronized Cardiac Assist for Cardiogenic Shock

Inclusion Criteria: Patients in cardiogenic shock in the setting of acute myocardial infarction or Patients undergoing high risk coronary revascularization procedures (e.g., multi-vessel disease, left main, or last patent conduit interventions) in the catheterization lab. Cardiogenic shock is defined as * Systolic blood pressure \< 90 mmHg for at least 30 min or * Inotropes are needed to maintain blood pressure \> 90 mmHg or * Clinical signs of heart insufficiency with pulmonary congestion or * Signs of end organ hypoperfusion with at least one of the following criteria: * Altered mental status * cold, damp skin or extremities * oliguria (≤ 30 mL/h) * serum lactate \> 2.0 mmol/L Written consent of the patient or the legal caregiver \- Exclusion Criteria: * Age \> 85 years * Cardiac arrest out of hospital with return of spontaneous circulation (ROSC) \> 10 min * Coma with fixed pupils not induced by drugs; * Mechanical causes for cardiogenic shock (ventricular septal defect of papillary muscle rupture) * Non-cardiogenic causes of shock (bradycardia, sepsis, hypovolemia, etc.) * Fever (Body temperature \> 38.0 °C) or other evidence of sepsis * Onset of cardiogenic shock \> 6 h before enrollment; * Lactate \> 22 mmol/L; * Massive pulmonary embolism; * Severe peripheral arterial occlusive disease precluding insertion of femoral arterial or venous catheters * Previous known aortic regurgitation greater than grade II * Contra-indications for anticoagulation * Severe hemolysis of any cause * Patient is participating in an investigational drug or device study trial that has not reached the primary endpoint or that interferes with the current study endpoints.