OBJECTIVE Even if pancreatic pathologies, residual fibrosis, residual amount of parenchyma, and anastomotic patency are recognized as main causes of exocrine and glycemic impairment after pancreaticoduodenectomy (PD), few data are reported concerning the role of the different pancreatic remnant treatment techniques. The objective of the study is to assess and compare exocrine functionality, glycemic pattern, nutritional status, and quality of life (QoL) after PD between pancreaticojejunostomy (PJ) and pancreatic duct occlusion (PDO), both in an objective and a subjective manner. PATIENTS AND METHODS Thirty-two patients (16 PJ and 16 PDO) were evaluated after a mean follow-up of 21 months after surgery. Exocrine insufficiency was objectively evaluated through the 13C-labelled mixed triglyceride breath test. Fasting glucose, fasting insulin, HbA1c and HOMA-IR values were used to assess glucose metabolism. For these two outcomes, anamnestic data were also collected. QoL was assessed with GIQLI, SF-36, EORTC-QLQ-C30, and EORTC-PAN-26 questionnaires. RESULTS The 13C-labelled mixed triglyceride breath test detected a lipid digestive insufficiency in 56% of patients after PJ and 100% after PDO respectively (p = 0.007). However, no difference was observed between the two groups regarding postoperative necessity of substitutive pancreatic enzymes. Nutritional status, fasting plasma glucose, fasting insulin, HbA1c levels, HOMA-IR values and postoperative necessity of insulin or oral antidiabetic agents were comparable between the two groups. QoL measurements showed similar results. However, in the subdomains analysis, better outcomes were reported regarding digestive symptoms and physical functioning for PJ and PDO respectively. CONCLUSIONS Even if an objective exocrine major impairment was evidenced after PDO, this result did not impact the need for a higher rate of postoperative substitutive enzymes. In terms of glycemic pattern, nutritional status, and QoL, the two techniques turn out to be comparable.
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