biostudies-literatureClerkin KJNational Heart, Lung, and Blood InstituteNHLBI NIH HHS12-23https://www.ebi.ac.uk/biostudies/studies/S-EPMC8724562biostudies-literatureUnknown10(1)<h4>Objectives</h4>This analysis sought to investigate the waitlist and post-transplant outcomes of individuals bridged to transplantation by using temporary percutaneous endovascular mechanical circulatory support (tMCS) through a status 2 designation (cardiogenic shock and exception).<h4>Background</h4>The 2018 donor heart allocation policy change granted a status 2 designation to patients supported with tMCS.<h4>Methods</h4>Adult patients in the United Network for Organ Sharing registry after October 18, 2018 who received a status 2 designation for tMCS were included and grouped by their status 2 criteria: cardiogenic shock with hemodynamic criteria (CS-HD), cardiogenic shock without hemodynamic criteria before tMCS (CS-woHD), and exception. Baseline characteristics, waitlist events (deJACC. Heart failureImpact of Temporary Percutaneous Mechanical Circulatory Support Before Transplantation in the 2018 Heart Allocation System.PMC8724562K23 HL148528Clerkin KJJain RSalako OColombo PCTopkara VKFarr MAUriel NRestaino SGriffin JMFried JATakeda KSayer GRaikhelkar JfalseImpact of Temporary Percutaneous Mechanical Circulatory Support Before Transplantation in the 2018 Heart Allocation System.<h4>Objectives</h4>This analysis sought to investigate the waitlist and post-transplant outcomes of individuals bridged to transplantation by using temporary percutaneous endovascular mechanical circulatory support (tMCS) through a status 2 designation (cardiogenic shock and exception).<h4>Background</h4>The 2018 donor heart allocation policy change granted a status 2 designation to patients supported with tMCS.<h4>Methods</h4>Adult patients in the United Network for Organ Sharing registry after October 18, 2018 who received a status 2 designation for tMCS were included and grouped by their status 2 criteria: cardiogenic shock with hemodynamic criteria (CS-HD), cardiogenic shock without hemodynamic criteria before tMCS (CS-woHD), and exception. Baseline characteristics, waitlist events (de2022-01-01T00:00:00Z2022 Jan2025-04-19T18:07:30.128Z2025-04-19T18:07:30.128ZS-EPMC87245623496949210.1016/j.jchf.2021.08.003