Simultaneous pancreas-kidney transplantation reduces excess mortality in type 1 diabetic patients with end-stage renal disease.
BACKGROUND: Diabetic renal disease continues to be the most significant cause of end-stage renal disease (ESRD) in the United States. Renal transplantation improves diabetic ESRD patient survival; however, the diabetic state remains associated with poor patient survival. Simultaneous pancreas-kidney (SPK) transplantation can restore normoglycemia and thus may improve outcomes. METHODS: We assessed the impact of SPK on age-range-matched type 1 diabetic patients who underwent renal transplantation at a single center. The observed/expected life span and annual mortality rates (AMRs) were used as measures of survival. A Cox proportional hazards analysis was used to analyze the impact of potential variables on mortality in SPK recipients. RESULTS: SPK transplantation (N = 335) increased the observed/expected life span compared with diabetic cadaveric (DM-Cad, N = 147) and live-donor (DM-Live, N = 160) transplant recipients (P = 0.004) and significantly reduced the AMRs (SPK, 1. 5%; DM-Cad, 6.27%; DM-Live, 3.65%, P = 0.008, SPK vs. other DM). Moreover, the SPK observed/expected life span and AMR were not significantly different from that of age-range-matched nondiabetic transplant recipients (N = 492). The only variable that was significantly associated with patient survival was discharge serum creatinine (relative risk 1.16, P < or = 0.0154). CONCLUSION: These data demonstrate that SPK improves the ability for type 1 diabetic patients to live more of their expected life span. This suggests that glycemic control, even as a late intervention in a diabetic patient's lifetime, may beneficially affect survival.
Becker, BN; Brazy, PC; Becker, YT; Odorico, JS; Pintar, TJ; Collins, BH; Pirsch, JD; Leverson, GE; Heisey, DM; Sollinger, HW
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