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Transplant Proc. 2005 May;37(4):1800-3.

Successful results after 5 years of tacrolimus therapy in ABO-incompatible kidney transplantation in Japan.

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Division of Urology, Department of Regenerative and Transplant Medicine, Graduate School of Medical and Dental Sciences, Niigata University School of Medicine, Asahimach, Niigata, Japan.


In Japan, living donor kidney transplantation accounts for about 80% of all kidney transplants. This is in contrast to the United States and Europe, where transplantation of organs from cadaveric or brain-dead donors is more common. This study analyzed the results of 5 years of experience with tacrolimus in Japan, focusing on the efficacy of the drug in improving patient and graft survival in patients who underwent transplantation with ABO-incompatible kidney grafts. Of the 1542 evaluable patients, 1281 patients received grafts from living donors. Of these, 177 patients received kidneys from ABO-incompatible donors and 981 patients received kidneys from ABO-compatible donors. Graft survival rates in ABO-incompatible recipients ranged from 90.7% at 1 year to 80.5% at 5 years. Subsequent graft survival rates in ABO-compatible recipients were 98.1% and 92.9%, respectively (P < .001 between groups). Patient survival rates at 5 years were 93.2% in ABO-incompatible recipients and 98.1% in ABO-compatible recipients. The rejection rate for kidneys from ABO-compatible donors was 27.8%, while for ABO-incompatible donors the rejection rate was 45.2%. The excellent outcome from this study demonstrates that even suboptimal ABO-incompatible donors can be used successfully as a source of kidneys when using tacrolimus as the immunosuppressive regimen. This may go some way to addressing the shortage of kidney donors in Japan.

[Indexed for MEDLINE]

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