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  • Title: Successful islet transplantation from a single pancreas harvested from a young, low-BMI, non-heart-beating cadaver.
    Author: Goto T, Tanioka Y, Sakai T, Matsumoto I, Kakinoki K, Tanaka T, Li S, Yoshikawa T, Fujino Y, Suzuki Y, Kuroda Y.
    Journal: Transplant Proc; 2005 Oct; 37(8):3430-2. PubMed ID: 16298618.
    Abstract:
    BACKGROUND: Young donors, donors with low body mass index (BMI), and non-heart-beating (NHB) donors are considered nonideal for islet transplantation. In this report, we successfully used a pancreas from a young, low-BMI, NHB donor for islet transplantation. METHODS: The donor was a 15-year-old adolescent boy whose cause of death was rupture of a primary brain tumor. According to Japanese regulations, his pancreas was procured after cardiac arrest. Warm ischemic time was 3 minutes and cold ischemic time was 300 minutes. The pancreas was digested by the automated method of Ricordi, followed by purification using continuous Euro-Ficoll gradients on a Cobe 2991 device. The recipient was a 35-year-old woman with unstable type 1 diabetes mellitus. Her pretransplant C-peptide level was null. She suffered frequent hypoglycemic unawareness. Her pretransplant M value, which is a good marker for glucose instability, was 125. Islet yield was 252,816 IEQ. There were no signs of contamination. Viability of islets assessed by FDA/PI staining was 83%. Stimulation index was 2.7. RESULTS: The patient received 5160 IEQ/kg of islets via the portal vein under local anesthesia. There were no transplant-related complications. Although she required minimal exogenous insulin, her C-peptide level increased to 0.7 ng/mL at postoperative day (POD) 14. Her M value at POD 15 to 19 decreased dramatically to 23.6, indicating good glycemic control. At 3 months posttransplant, episodes of hypoglycemia disappeared. CONCLUSIONS: Although an additional transplant is mandatory to wean patients from insulin, this case shows the possibility of using marginal donors, such as a young, low-BMI, NHB donor, for pancreas islet transplantation.
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