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Donor age as a risk factor for patient survival in the liver transplant
F J Fernández-Merino1, J Nuño-Garza, P López-Hervas
1Transplant Unit, Departments of Digestive Surgery, Ramón y Cajal University Hospital, Madrid, Spain. ffernandez@hrc.insalud.es
Objectives:
Our aims were to establish whether there is a relationship between donor age and patient and graft survival among liver transplant recipients and to determine the age at which this relationship emerges.
Patients And Methods:
We reviewed 254 consecutive liver transplants performed at the Hospital Ramón y Cajal, Madrid in 206 patients over a 79-month period. Survival rates were determined using Kaplan-Meier curves analyzed by the log-rank method.
Results:
The mean donors age was 42.08+/-17.89 years (range 8-79 years). The minimum and mean patient follow-up times were 6 months and 29.48+/-23.37 months. Mean patient and graft survival rates, along with their standard errors and 95% confidence intervals were 62.47+/-2.42(57.72-67.21) and 57.30+/-2.40(52.59-62.01) months, respectively. Mean survival was lower (P=.047) among patients who received a graft from a donor of 30 or more years (58.24+/-3.05[52.28-64.21] months) versus from a younger donor (66.19+/-3.55[59.23-73.15] months). Graft survival was also significantly different (P=.037) for donors older versus younger than 25 years (53.04+/-2.83[47.50-58.58] and 64.72+/-4.11[56.67-72.77] months, respectively).
Conclusions:
Patients undergoing liver transplant show lower survival when the donor is older than 30 and the survival of the implanted graft is also lower when the donor is over 25.