Long-term metabolic control in recipients of combined pancreas and kidney transplants
1991
Metabolic glucose control was followed in 36 patients at 12-month intervals for up to 5 years after a successful combined kidney and segmental duct-occluded pancreas transplantation. All recipients had normal blood glucose levels at each examination. HbA1 values, intravenous glucose tolerance test, C-peptide levels and C-peptide responses to glucagon stimulation were also, on average, within the normal range. Several individual patients had, however, abnormal values for these parameters. At most 46% had abnormal values for HbA1 and intravenous glucose tolerance test, up to 13% showed low C-peptide values and up to 46% of the stimulated C-peptide responses were inadequate at the different intervals. These parameters did not deteriorate with time. This was true both for the whole group of patients as well as for the 6 patients with a 5-year observation time evaluated separately. Despite these abnormalities in glucose metabolism, all patients remained normoglycaemic without need for exogenous insulin up to 5 years after transplantation. The long-term ability of duct-occluded segmental pancreatic grafts to preserve euglycaemia therefore seems to remain intact at least for 5 years.
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