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There is a small, but growing, subset of livers that have been transplanted and have a cumulative age of more than 100 years, according to researchers from University of Texas (UT) Southwestern Medical Center, Dallas, and TransMedics, Andover, Massachusetts. They studied these livers to identify characteristics to determine why these organs are so resilient, paving the way for considering the potential expanded use of older liver donors.For these centurion livers, the average donor age was significantly higher, 84.7 years compared with 38.5 years for non-centurion liver transplants. The researchers noted that for a liver to make it to 100, they expected to find an older average donor age as well as healthier donors. Notably, the donors from the centurion group had lower incidence of diabetes and fewer donor infections. There are 11,113 patients on liver transplant waiting list as of September 22, 2022. As Dr. Hwang noted, using older liver donors more often could potentially expand th...