Kidney transplantation, cardiovascular risk, and long-term dialysis in Japan

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Abstract

Background The waiting time for deceased-donor kidney-only transplantations in Japan is long. Herein, we assessed the effect of length of dialysis on the outcomes of these patients. Methods We divided patients into 2 groups based on length of dialysis (Group A, <15 years, and Group B, ≥15 years), and compared the background and outcomes after kidney transplantation. Results Group A included 210 patients and Group B included 35 patients. In Group B, 20% of transplants were from living donors. Patient age (P =.017) and the hepatitis C infection rate (P =.018) were significantly higher in Group B, whereas hypertension (P =.011), diabetes (P =.041), and ABO-incompatibility rates (P =.015) were significantly higher in Group A. The 5- and 10-year survival rates were 97.0% and 95.4%, respectively, in Group A and 97.1% and 97.1%, respectively, in Group B. The 5- and 10-year graft survival rates were 95.4% and 84.8%, respectively, in Group A and 97.1% and 73.1%, respectively, in Group B. There were no significant differences between the groups in patient survival (P =.74) and graft survival (P =.72). The 5- and 10-year cardiovascular event-free survival rates were 95.9% and 92.4%, respectively, in Group A and 88.6% and 76.8%, respectively, in Group B. Cardiovascular event-free survival was significantly higher in Group A (P =.038). Cox stepwise multivariate analysis indicated that length of dialysis was a significant predictor of cardiovascular events (hazard risk, 1.007; range, 1.001-1.012; P =.012). Conclusion The prognosis after kidney transplantation is promising even after a long length of dialysis, although evaluation of the cardiovascular risk is needed in these cases.

Original languageEnglish
Pages (from-to)26-30
Number of pages5
JournalTransplantation Proceedings
Volume48
Issue number1
DOIs
Publication statusPublished - 01-01-2016

All Science Journal Classification (ASJC) codes

  • Surgery
  • Transplantation

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