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Use of Temporary Mechanical Circulatory Support for Management of Cardiogenic Shock Before and After the United Network for Organ Sharing Donor Heart Allocation System Changes
The UNOS donor heart allocation system was revised in 2018, giving priority to patients on inpatient mechanical circulatory support (MCS). Patients admitted with heart failure-associated cardiogenic shock were tracked for the frequency of use of mechanical circulatory support before and after implementation of this change. In non-transplant centers, there was no change in the frequency of MCS. In transplant centers, use of MCS increased from 25% to 43%.