Living donor kidney transplantation preceding pancreas transplantation reduces mortality in type 1 diabetics with end-stage renal disease

Keizo Kaku, H. Kitada, Hiroshi Noguchi, Kei Kurihara, S. Kawanami, Udai Nakamura, M. Tanaka

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Abstract

Background Simultaneous pancreas-kidney transplantation (SPK) is a definitive treatment for type 1 diabetics with end-stage renal disease (ESRD). Because of the shortage of deceased donors in Japan, the mortality rate during the waiting period is high. We evaluated mortality risk in patients with type 1 diabetes waiting for SPK, and the benefit of living-donor kidney transplantation (LDK) preceding pancreas transplantation, which may reduce mortality in patients awaiting SPK. Methods This retrospective study included 71 patients with type 1 diabetes. Twenty-six patients underwent SPK, 15 underwent LDK, and 30 were waiting for SPK. Their cumulative patient and graft survival rates were retrospectively evaluated. Risk factors contributing to mortality in patients with type 1 diabetes awaiting SPK were evaluated with the use of a Cox proportional hazards model. Results The 5-year cumulative patient survival rates in the SPK and LDK groups were 100% and 93.3%, respectively (P =.19), and 5-year kidney graft survival rates were 95.7% and 100% (P =.46), respectively. The cumulative survival rate in patients awaiting SPK was 77.7% at 5 years after registration. Duration of dialysis was the only factor significantly associated with patient and graft survivals according to both univariate and multivariate analyses. Conclusions Patient and graft survival rates were similar in the SPK and LDK groups, but the survival rate of patients awaiting SPK decreased over time. Duration of dialysis was an independent risk factor for patient and graft survival. LDK preceding pancreas transplantation may be an effective therapeutic option for patients with type 1 diabetes and ESRD.

Original languageEnglish
Pages (from-to)733-737
Number of pages5
JournalTransplantation Proceedings
Volume47
Issue number3
DOIs
Publication statusPublished - Apr 1 2015

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Pancreas Transplantation
Living Donors
Kidney Transplantation
Chronic Kidney Failure
Mortality
Graft Survival
Survival Rate
Type 1 Diabetes Mellitus
Dialysis
Proportional Hazards Models

All Science Journal Classification (ASJC) codes

  • Surgery
  • Transplantation

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Living donor kidney transplantation preceding pancreas transplantation reduces mortality in type 1 diabetics with end-stage renal disease. / Kaku, Keizo; Kitada, H.; Noguchi, Hiroshi; Kurihara, Kei; Kawanami, S.; Nakamura, Udai; Tanaka, M.

In: Transplantation Proceedings, Vol. 47, No. 3, 01.04.2015, p. 733-737.

Research output: Contribution to journalArticle

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AU - Kawanami, S.

AU - Nakamura, Udai

AU - Tanaka, M.

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N2 - Background Simultaneous pancreas-kidney transplantation (SPK) is a definitive treatment for type 1 diabetics with end-stage renal disease (ESRD). Because of the shortage of deceased donors in Japan, the mortality rate during the waiting period is high. We evaluated mortality risk in patients with type 1 diabetes waiting for SPK, and the benefit of living-donor kidney transplantation (LDK) preceding pancreas transplantation, which may reduce mortality in patients awaiting SPK. Methods This retrospective study included 71 patients with type 1 diabetes. Twenty-six patients underwent SPK, 15 underwent LDK, and 30 were waiting for SPK. Their cumulative patient and graft survival rates were retrospectively evaluated. Risk factors contributing to mortality in patients with type 1 diabetes awaiting SPK were evaluated with the use of a Cox proportional hazards model. Results The 5-year cumulative patient survival rates in the SPK and LDK groups were 100% and 93.3%, respectively (P =.19), and 5-year kidney graft survival rates were 95.7% and 100% (P =.46), respectively. The cumulative survival rate in patients awaiting SPK was 77.7% at 5 years after registration. Duration of dialysis was the only factor significantly associated with patient and graft survivals according to both univariate and multivariate analyses. Conclusions Patient and graft survival rates were similar in the SPK and LDK groups, but the survival rate of patients awaiting SPK decreased over time. Duration of dialysis was an independent risk factor for patient and graft survival. LDK preceding pancreas transplantation may be an effective therapeutic option for patients with type 1 diabetes and ESRD.

AB - Background Simultaneous pancreas-kidney transplantation (SPK) is a definitive treatment for type 1 diabetics with end-stage renal disease (ESRD). Because of the shortage of deceased donors in Japan, the mortality rate during the waiting period is high. We evaluated mortality risk in patients with type 1 diabetes waiting for SPK, and the benefit of living-donor kidney transplantation (LDK) preceding pancreas transplantation, which may reduce mortality in patients awaiting SPK. Methods This retrospective study included 71 patients with type 1 diabetes. Twenty-six patients underwent SPK, 15 underwent LDK, and 30 were waiting for SPK. Their cumulative patient and graft survival rates were retrospectively evaluated. Risk factors contributing to mortality in patients with type 1 diabetes awaiting SPK were evaluated with the use of a Cox proportional hazards model. Results The 5-year cumulative patient survival rates in the SPK and LDK groups were 100% and 93.3%, respectively (P =.19), and 5-year kidney graft survival rates were 95.7% and 100% (P =.46), respectively. The cumulative survival rate in patients awaiting SPK was 77.7% at 5 years after registration. Duration of dialysis was the only factor significantly associated with patient and graft survivals according to both univariate and multivariate analyses. Conclusions Patient and graft survival rates were similar in the SPK and LDK groups, but the survival rate of patients awaiting SPK decreased over time. Duration of dialysis was an independent risk factor for patient and graft survival. LDK preceding pancreas transplantation may be an effective therapeutic option for patients with type 1 diabetes and ESRD.

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