Background: Living donor kidney transplantation is the best type of renal replacement therapy. However, large numbers of potential living kidney donors (LKDs) are declined because of various reasons. The aim of this study is to define and quantify the reasons for declining potential LKDs.
Methods: All potential LKDs evaluated at our center between September 2008 and December 2016 were reviewed. Data were collected from the electronic database.
Results: A total of 2090 potential LKDs were evaluated, with an average age of 32 years (range, 18-67 years) and men constituting 72.6%. A total of 675 (32.3%) were accepted for donor nephrectomy. Living kidney donation did not proceed in 830 (39.7%): 661 (79.6%) because of donor-related reasons and 169 (20.4%) because of recipient-related reasons. Donor-related reasons included medical contraindications (61.7%), immunological barriers (23.1%), surgical contraindications (7.9%), and psychosocial reasons (7.3%). A total of 585 (28.0%) potential LKDs voluntarily withdrew themselves at variable time points during the evaluation process, even after being accepted for donation. Male and young (18-35 years) potential LKDs were more likely to withdraw compared with female and older (>35 years) potential LKDs (34.3% vs 11.4%, P < .005 and 29.6% vs 24.5%, P = .02, respectively).
Conclusions: Despite the large number of potential LKDs, medically complex donors are increasing, and a significant proportion decided to withdraw at some point during the evaluation process. The latter highlights the need to increase public awareness about living donation, to perform more careful initial screening and targeted educational programs, and to provide continuous support for potential LKDs.
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