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.
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Body mass index (BMI);
Progression of inflammation
Document Type: Research Article
Publication date: 01 February 2011
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