DIABETIC NEUROPATHY AFTER PANCREAS TRANSPLANTATION: DETERMINANTS OF RECOVERY

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Abstract
Although simultaneous pancreas and kidney transplantation (SPK) achieves normoglycemia and correction of uremia in type I diabetic patients with renal failure, little data are available on long-term outcome and clinical determinants of recovery of peripheral neuropathy. In this prospective study, 219 electrophysiological studies using a standardized protocol were performed before and up to 8 years after SPK in 44 patients. Nine control diabetic recipients with functioning kidney but nonfunctioning pancreas transplants were studied on 35 occasions. Patients were 38.5±7.9 years old (mean ± SD) with pretransplant diabetes present for 25.2±7.6 years. Significant polyneuropathy (total nerve conduction scores [NCS] PP=0.002 vs. baseline), and was best in shorter and younger patients. Recovery of total NCS at 6 months after SPK, assessed by multivariate analysis, was least in obese recipients and when performed in patients who had started dialysis before SPK, and was associated with lower transplant kidney isotopic glomerular filtration rate and HLA mismatch (PPP.