Total Pancreatectomy with Islet Autotransplantation (TPIAT) as a Technique to Treat Chronic Idiopathic Pancreatitis: Early Experience Analysis

Chronic pancreatitis (CP) is a quite common disease with an annual incidence of up to 30 new cases per 100,000 persons in Russia, and 9.6 cases per 100,000 persons abroad. Idiopathic pancreatitis associated with genetic mutations ranks second in frequency. When conservative therapy is ineffective, surgical intervention is considered. Total pancreatectomy reduces pain, but leads to pancreatogenic diabetes mellitus. In case of hereditary pancreatitis caused by mutations in the PRSS1, CFTR, SPINK1 genes, pancreatectomy becomes advisable, including for prevention of pancreatic cancer.

Isolation of Langerhans islets from the excised pancreas and their autotransplantation (total pancreatectomy with islet autotransplantation, TPIAT) provides additional treatment options. Such surgical interventions are not performed in Russia as of yet.

The aim of the study was to assess the effectiveness of total pancreatectomy followed by restoration of glucose tolerance in treatment of patients with chronic genetically determined pain pancreatitis.

Materials and Methods. Two patients with chronic pain pancreatitis with the SPINK1 and PRSS1 genetic mutations were examined and underwent surgical total pancreatectomy. Islets were isolated from the excised glands and implanted into the liver. Postoperative follow-up included an assessment of quality of life and pain intensity based on questionnaires, as well as determination of the glycemic level.

Results. Following total pancreatoduodenectomy and autotransplantation, a significant decrease in pain and an improvement in quality of life were noted. Transplanted islets’ function was reduced, due to their insufficient number, which required administration of exogenous insulin.

Conclusion. The described experience demonstrates the TPIAT effectiveness in treatment of chronic pancreatitis, which can become a basis for further research and introduction of the technique into domestic clinical practice.

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Zagainov V.E., Kuchin D.M., Kashina A.V., Lugovaya L.A., Zarechnova N.V., Galanina T.A., Naraliev N.U., Kolesnik Y.I., Vasilchikova E.A., Ermakova P.S., Zagaynov E.M., Kucheryavy Yu.A., Bogomolova A.Yu., Potapov A.L., Shirokova I.Yu. Total Pancreatectomy with Islet Autotransplantation (TPIAT) as a Technique to Treat Chronic Idiopathic Pancreatitis: Early Experience Analysis. Sovremennye tehnologii v medicine 2024; 16(6): 44, https://doi.org/10.17691/stm2024.16.6.05