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Purpose: Although over 90% of the population of the United States supports organ donation, only 60% of the population is registered as donors. Currently, there is a need for a nonmonetary incentive that will improve willingness to donate. We assessed the young adult population's perspective on their willingness to donate organs when merit points are granted to their family members to prioritize their potential transplant if needed., Methods: We administered a Qualtrics survey from March 2022 to September 2022 to the undergraduate students volunteering to participate at Saint Louis University, which comprised 10 questions that addressed the attitudes of participants regarding the effects of various factors, including the type of donation and the presence of merit points (vouchers granted to self or a family member to facilitate a potential transplant if needed), on participant's willingness to donate an organ while alive or after death. The responses were analyzed by using SAS software (SAS Institute)., Results: A total of 572 participants completed the survey. Overall, only 6.5% of surveyed students were unwilling to donate after death. The willingness to donate while alive to a family member was significantly higher than donating to a stranger (95.8% vs 71.2%, P < .0001). When merit points were added, the unwillingness to donate significantly decreased from 6.5% to 3.8%. However, this change was observed only when the merit points were given to a family member and not to self. When merit points were granted, unwillingness to provide a living donation to a stranger decreased from 28.8% to 16.4% (P < .0001)., Conclusions: Merit points to first-degree family members improve students' expressed willingness to donate organs after death; however, self-merit points did not decrease the rate of "unwillingness to donate after death." When living donation is assessed, offering merit points appears to decrease the "unwillingness to donate to strangers." The adoption of a merit point system in the United States may increase the rates of organ donation., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023 The Author(s). Published by Elsevier Inc. All rights reserved.)

Background: The complement-dependent microcytotoxicity crossmatch (CDCXM) is a standard method for evaluating the presence of preformed antibodies before transplantation. The flow cytometry crossmatch (FCXM) is more sensitive, but there is controversy regarding translation of its increased sensitivity to clinically relevant graft outcomes., Methods: We analyzed Organ Procurement and Transplant Network registry data for living and deceased donor kidney transplants performed in 1995 to 2009 after both CDCXM and FCXM testing. Transplants with negative CDCXM (CDCXM(-)) and with T-cell positive (T(+)), T-cell negative/B-cell positive (T(-)B(+)), or T- and B-cell negative (T(-)B(-)) FCXM results were included. Graft survival according to crossmatch results was compared by survival analysis., Results: Among patients transplanted with negative CDCXM (CDCXM(-)), deceased and living donor graft recipients with T(+) FXCM experienced significant absolute reductions in 5-year graft survival of 11.5% and 8.8% compared to those with T(-) FCXM (P < .0001). Compared to patients with FCXM(-)/CDCXM(-) deceased and living donor recipients with T(-)B(+) FCXM/CDCXM(-) had absolute reductions in 5-year graft survival of 9.6% and 7.6%, respectively (P < .0001). Upon multivariate adjustment with Cox regression, T(+) FCXM/CDCXM(-) deceased donor transplantation was associated with 51% higher adjusted relative risk of 1-year graft loss than FCXM(-)/CDCXM(-). Relative risks were more marked at 1 year for the T(+) groups but stronger in the 1- to 5-year interval for the T(-)B(+) groups., Conclusion: Positive FCXM has important prognostic implications even when CDCXM is negative. Thus, positive FCXM should not routinely be dismissed as "overly sensitive" when CDCXM is negative., (Copyright © 2010 Elsevier Inc. All rights reserved.)