Long-term effects of pancreaticoduodenectomy on glucose metabolism
ANZ Journal of Surgery,

You DD et al. – While some patients had a hypertrophic pancreas at the last follow–up, which reflected the capacity for pancreatic regeneration and some factors were associated with a lower volume of the remnant pancreas, the volume of the remnant pancreas seem not to be associated with pancreatogenic diabetes. There were no clinicopathologic factors identified associated with the risk for pancreatogenic diabetes.

Methods
  • Among the patients who underwent pancreaticoduodenenctomy from 2003 to 2004, 55 patients who survived by 2009 and were able to measure the volume of the pancreas pre– and post–operatively by CT volumetry were included in this study.
  • Twelve patients had diabetes before surgery. Median follow–up duration was 55.2 and 67.3 months for CT volumetry, pancreatogenic diabetes, respectively.

Results
  • Among 43 patients without preoperative diabetes, nine patients (21%) developed newly diabetes after surgery.
  • Among 12 patients with diabetes, 10 patients had worsened glucose control.
  • The immediate post–operative Vol% was 46.5% and the last Vol% was 31.5% (P < 0.001).
  • Preoperative diabetes, malignant pathology, absence of post–operative pancreatic fistula, chemotherapy and radiotherapy were correlated with a lower Vol%.
  • Atrophic changes were observed in 29 patients and hypertrophic changes in 13 patients.
  • Comparative analysis according to the change in the Vol% revealed no differences in the clinicopathological factors associated with new–onset pancreatogenic diabetes or aggravation of preoperative diabetes.

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