I dedicate this paper to the late Prof. Yukihiko Nosé with all my heart. In 2001, under the direction of Prof. Nosé and Prof. Brunicardi at Baylor College of Medicine, we published a review article entitled 'Artificial endocrine pancreas' in JACS. Subsequently, we reported that perioperative tight glycemic control (TGC) using an artificial pancreas (AP) with a closed-loop system could stably maintain near-normoglycemia in total-pancreatectomized dogs. Based on this experimental study in Houston, since 2006, we have introduced perioperative TGC using an AP into clinical use in Kochi. As of 2011, this novel TGC method has provided safe and stable blood glucose levels in more than 400 surgical patients. In this paper, we report new clinical findings regarding perioperative TGC using an AP in total-pancreatectomized patients. TGC using an AP enables us to achieve stable glycemic control not only without hypoglycemia and hyperglycemia but also with less variation in blood glucose concentration from the target blood glucose range, even in patients with the most serious form of diabetes, so-called 'brittle diabetes', undergoing total pancreatectomy. To the best of our knowledge, this is the first clinical report of TGC using an AP in patients undergoing total pancreatic resection.
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