Abstract
AimTo evaluate the efficacy of the application of intraoperative segmental pancreatic occlusion and insulin assay in surgical procedures for pancreatic hypoglycemia. MethodsWe retrospectively analyzed the clinical data of 11 pancreatic hypoglycemia cases treated in the China-Japan Friendship Hospital between September 2015 and August 2021. Intraoperative segmental pancreatic occlusion and insulin assay were used to enhance hypersecretory pancreatic tissues’ localization and to achieve a complete resection. Intraoperative testing of insulin levels (peripheral venous blood) was carried out at several time points starting from before the resection of hypersecretory tissues (base value) and at 1 minute, 5 minutes, 15 minutes, 30 minutes, and 60 minutes after resection. Additional testing every 30 minutes until the end of the operation was carried out when necessary. ResultsA total of 11 pancreatic hypoglycemia cases were included; 9 cases were insulinomas (all with single pancreatic lesions, with 4 located in the head, 1 in the body, and 4 in the tail), 1 MEN-1, and 1 nesidioblastosis. The insulin assay (30 minutes after the resection of hypersecretory tissues) enhanced the ability to locate target tissues and the accuracy of complete resection to 100%. As for intraoperative blood glucose monitoring, the accuracy 30 minutes after resection was as low as 36.6%. Postoperative levels of insulin and glucose were normal in all patients, with no recurrence of hypoglycemic symptoms during postoperative follow-up visits (9 to 72 months). ConclusionIntraoperative segmental pancreatic occlusion and insulin assay in pancreatic hypoglycemia is a simple, accurate, and fast approach that enhances the localization and complete resection of hypersecretory tissues. Such a combination is highly significant in challenging cases of hypoglycemia.
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