Background. Mutual understanding between recipients and donors is indispensable when living donor liver transplantation (LDLT) is performed, which, however, has gained little attention and remains unaddressed in the literature. Methods. Fiftyseven pairs, a recipient (mean ± SD age at the operation, 48.3 ± 10.6 years; mean ± SD years after the operation, 6.2 ± 4.7 years) and his or her donor, who underwent LDLT completed a 13-item questionnaire on a 7-point Likert scale (1: strongly agree to 7: strongly disagree) that was designed to assess for their psychological attitudes toward transplantation. They were also asked to estimate their donor's or recipient's response to the questionnaire, respectively. Values of interest were compared between groups, using paired t tests. Following Bonferroni correction, a P value less than 0.0038 (0.05/13) was considered statistically significant. Results. Significant differences were observed between actually answered and estimated responses in 7 of the 13 items in the questionnaire for donors. For example, donors did not feel pressure to become a donor to the same degree as their recipients estimated (4.6 ± 1.9 vs 3.4 ± 1.8). In contrast, only 1 item showed a significant difference between actually answered and estimated responses in the questionnaire for recipients; recipients did not worry about the transplanted liver compared to their donors' estimation (3.1 ± 1.9 vs 2.1 ± 0.8). Conclusions. Recipients did not fully understand the donors' feelings toward LDLT, whereas donors almost correctly understood their recipients' attitudes. Our findings clearly revealed the gap in their mutual understanding and emphasize the need of psychological education to bridge the gap.
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