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  • Title: The fate of organs refused locally and transplanted elsewhere.
    Author: Cadillo-Chávez R, Santiago-Delpín EA, González-Caraballo Z, Morales-Otero L, Saade M, Davis J, Heinrichs D.
    Journal: Transplant Proc; 2006 Apr; 38(3):892-4. PubMed ID: 16647501.
    Abstract:
    UNLABELLED: The number of kidney allografts procured from deceased donors has been fairly constant in the past few years, while organs from living donors steadily increase. In our program, existing protocols refused some kidneys which were subsequently accepted and transplanted at other hospitals. Thus, a review of our criteria to accept kidneys became necessary. METHODS: We studied the outcome of all kidneys refused by us but transplanted in other programs between 2002 and 2004. The data analyzed included ID no. donor, transplant center, procurement date, donor age, ischemic times, recipient alive or dead, creatinine level (when it was offered), initial function, hypertension, diabetes mellitus, biopsy, reason why the kidney was not accepted in our program, kidney functioning or lost, and cause of graft failure. The chi-square, Fisher, and t tests were used to analyze our data; P values of <.05 were regarded as significant. RESULTS: Originally 137, we excluded kidneys exported due to mandatory sharing (26 of 137 = 18.97%) and multiorgan placement (10 of 137 = 7.3%). Thus, 101 kidneys were not accepted by us because they did not meet the existing criteria of our program, but were accepted elsewhere. Reasons for nonacceptance were divided into donor quality, donor social history, donor age, donor size/weight, positive serological test, as well as organ preservation time, organ anatomical damage, elevated creatinine, abnormal urinalysis, abnormal biopsy, and decreased urine output. Donor issues were 66 of 101 (65.3%) with a graft loss of 13.6%, and organ issues were 35 of 101 (34.7%) with a graft loss of 66.6%. Donor quality totaled 24 of 66 (36.4%) and donor social history totaled 20 of 66 (30.3%); these were the most common causes for kidney nonacceptance related to donor issues. Reasons related to organ quality included elevated creatinine (15 of 35 = 42.9%; graft loss, 46.6%), and abnormal biopsy (9 of 35 = 25.7%; graft loss, 11.1%) and organ anatomical damage (4 of 35 = 11.4%; graft loss, 75%) (P = .42). Graft loss was more frequent with creatinine levels above 2.4 mg/dL (P < .001, RR gf = 1.5). Long-term fate of these 101 kidneys transplanted elsewhere: 82 (81.2%) were still working while 19 (18.8%) were lost. The causes of graft loss were renal artery thrombosis (42.1%), renal venous thrombosis (26.3%), death for other reasons (15.8%), graft never worked (10.5%), and ESRD (5.7%). The results suggest that the criteria for refusal related to donor issues, including hypertension, diabetes mellitus, donor age and donor size, should be revised owing to the low percentage of graft loss. Other donor issues such as positive serological test and donor social history (drug use, alcoholism) represent a serious potential risk for the health of recipients; for this reason, considering these persons as possible donors is very difficult irrespective of the graft outcome. Kidney refusals related to organ issues (especially elevated creatinine and anatomical damage) due to the very high percentage of graft loss should be considered high risk and probably be excluded. The increase in the demand of kidneys to be transplanted is a very important reason for a continuous and systematic review of donor exclusion criteria in every transplant program. The results presented here have helped us to improve both our outcomes and utilizations based on scientific evidence.
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