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Open Access Body Mass Index Reflects Islet Isolation Outcome in Islet Autotransplantation for Patients With Chronic Pancreatitis

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Abstract:

Total pancreatectomy with autologous islet cell transplantation (TP with AIT) is an effective treatment for chronic pancreatitis patients with severe abdominal pain. Body mass index (BMI) of the pancreatic donor is proven to be a useful predictor for islet isolation and transplantation outcomes in allogenic islet transplantation. However, the association between BMI and islet isolation outcome and/or metabolism after AIT was previously unclear. Twelve patients who received TP with AIT at our hospital were included in this study. All pancreata were preserved with both pancreatic ductal injection and oxygen-charged static two-layer method using ET-Kyoto solution. The cohort was divided into two groups: low BMI group (BMI < 23 kg/m2, n = 5) and high BMI group (BMI ≥ 23, n = 7). The high BMI group had a significantly higher islet yield per gram than the low BMI group both in pancreas postdigestion and in final product (postdigestion: 7330 ± 539 vs. 3509 ± 563 IE/g; p < 0.001; final product: 6555 ± 585 vs. 3476 ± 546 IE/g; p = 0.004). For islet yield in final product per patient body weight, the high BMI group also had significantly higher islet yield than the low BMI group (7997 ± 779 vs. 4175 ± 750 IE/kg, p = 0.007). Insulin independence rate in the high BMI group (71%) was also higher than that low BMI group (40%), but it did not reach statistical significance. Pancreata from patients with higher BMI could obtain higher islet yield in the setting of autologous islet cell transplantation for chronic pancreatitis.

Keywords: Body mass index (BMI); Islet isolation; Progression of inflammation

Document Type: Research Article

DOI: https://doi.org/10.3727/096368910X514611

Publication date: 2011-02-01

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  • Cell Transplantation publishes original, peer-reviewed research and review articles on the subject of cell transplantation and its application to human diseases. To ensure high-quality contributions from all areas of transplantation, separate section editors and editorial boards have been established. Articles deal with a wide range of topics including physiological, medical, preclinical, tissue engineering, and device-oriented aspects of transplantation of nervous system, endocrine, growth factor-secreting, bone marrow, epithelial, endothelial, and genetically engineered cells, among others. Basic clinical studies and immunological research papers are also featured. To provide complete coverage of this revolutionary field, Cell Transplantation will report on relevant technological advances, and ethical and regulatory considerations of cell transplants. Cell Transplantation is now an Open Access journal starting with volume 18 in 2009, and therefore there will be an inexpensive publication charge, which is dependent on the number of pages, in addition to the charge for color figures. This will allow work to be disseminated to a wider audience and also entitle the corresponding author to a free PDF, as well as prepublication of an unedited version of the manuscript.
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