Research Article

Nonemergent Percutaneous Coronary Intervention on an Unprotected Left Main Coronary Artery Supported with Impella® Heart Pump in Patients Ineligible for Surgical Revascularization

Figure 1

Kaplan-Meier analysis of estimated 30-day survival rate and freedom from MACCE rate. MACCE: major adverse cardiac and cerebrovascular events (death, stroke, myocardial infarction, and repeat revascularization).

(a) Survival rates at 30 days
(b) Freedom from MACCE rates at 30 days