BACKGROUND: Live kidney donation is safe for healthy donors and an effective treatment for patients with end-stage renal disease. Many potential donors are referred for live kidney donation, but only a small percentage donate. This study aims to determine reasons for nondonation and establish if racial differences exist. METHODS: A retrospective database and chart review of all patients that were referred for potential live kidney donation from January 1, 2000 to December 31, 2004 was conducted. RESULTS: In all, 30.3% of referred potential live kidney donors were lost to follow-up. Primary reasons for nondonation (n=1,050) included unsuitable donor health (43.1%) and recipient-based causes (41.3%). Immunologic incompatibility accounted for 9.7% of all nondonations. Racial differences indicated more African Americans had incompatible blood types (P=0.01) or ineligible recipients (26.7% vs. 14.4%, P<0.01). More non-African Americans donated (13.2% vs. 4.6%, P<0.01) or were halted because the potential recipient received another organ (living/cadaveric) (20.0% versus 7.9%, P<0.01). Nondonation due to overall donor health (including diabetes and hypertension) did not differ between races, but subanalysis indicated more African American nondonation was due to high body mass index (P=0.01). CONCLUSIONS: Determining the reason behind nondonation is a first step towards understanding low rates of live kidney donation. More African American donor referrals are lost to follow-up while rates of other reasons were similar among races. This may indicate that African Americans are not more frequently medically unsuitable, but that the divergence in rates of live kidney donation is caused by a disparity in willingness to donate among African Americans.
BACKGROUND: Live kidney donation is safe for healthy donors and an effective treatment for patients with end-stage renal disease. Many potential donors are referred for live kidney donation, but only a small percentage donate. This study aims to determine reasons for nondonation and establish if racial differences exist. METHODS: A retrospective database and chart review of all patients that were referred for potential live kidney donation from January 1, 2000 to December 31, 2004 was conducted. RESULTS: In all, 30.3% of referred potential live kidney donors were lost to follow-up. Primary reasons for nondonation (n=1,050) included unsuitable donor health (43.1%) and recipient-based causes (41.3%). Immunologic incompatibility accounted for 9.7% of all nondonations. Racial differences indicated more African Americans had incompatible blood types (P=0.01) or ineligible recipients (26.7% vs. 14.4%, P<0.01). More non-African Americans donated (13.2% vs. 4.6%, P<0.01) or were halted because the potential recipient received another organ (living/cadaveric) (20.0% versus 7.9%, P<0.01). Nondonation due to overall donor health (including diabetes and hypertension) did not differ between races, but subanalysis indicated more African American nondonation was due to high body mass index (P=0.01). CONCLUSIONS: Determining the reason behind nondonation is a first step towards understanding low rates of live kidney donation. More African American donor referrals are lost to follow-up while rates of other reasons were similar among races. This may indicate that African Americans are not more frequently medically unsuitable, but that the divergence in rates of live kidney donation is caused by a disparity in willingness to donate among African Americans.
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