Pancreas and kidney transplantation: long‐term endocrine function
- 1 November 2010
- journal article
- Published by Wiley in Clinical Transplantation
- Vol. 24 (6), E236-E240
- https://doi.org/10.1111/j.1399-0012.2010.01261.x
Abstract
To describe the characteristics of metabolic control and beta-cell function in the long-term follow-up of patients with type-1 diabetes (T1D) who have undergone pancreas and kidney transplantation (PKTx). Twelve patients (eight males/four females) with normal pancreas and kidney graft function for more than 15 yr were included. Patient age at the time of transplantation was 35.8 ± 6.9, with a duration of diabetes of 19.0 ± 4.6 yr and time on dialysis of 18.7 ± 12.4 months. In all the cases, bladder derivation was performed to drain exocrine secretion, with subsequent conversion to the intestinal tract in 42% of the patients. The functional evaluation was made at one, five, 10, and 15 yr after PKTx determining: glycosylated hemoglobin (HbA1c), oral glucose tolerance test (OGTT), measuring insulinemia, and anti-GAD antibody. Comparing the results between one and 15 yr after transplantation: (i) no differences were observed in either HbA1c (4.68% vs. 4.76%) or basal glycemia (71 vs. 79 mg/dL), but an increase was seen in the area under the curve (AUC) of glucose (11,983 vs. 15,875 mg/dL/120', p = 0.02); (ii) a trend to a reduction in basal insulinemia (24 vs. 15 mU/L, p = 0.11) and a trend to a reduction in the AUC of insulinemia (8446 vs. 7057 mU/L/120', p = 0.22) were observed. The OGTT was normal in six patients, intolerant in two and diabetic in four patients. No variations were seen in insulin resistance (FIRI, QUICKI). Anti-GAD antibody became positive in one case. The results of this study demonstrate that pancreas transplantation has long-term functional viability, being an essential strategy for the treatment of patients with T1D with end-stage renal failure. Nevertheless, lesser response to OGTT can be expected suggesting certain deterioration in the functional capability of the pancreas graft during follow-up.Keywords
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