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Risk factors for post-pancreaticoduodenectomy delayed gastric emptying in the absence of pancreatic fistula or intra-abdominal infection.

Ellis RJ, Gupta AR, Hewitt DB, Merkow RP, Cohen ME, Ko CY, Bilimoria KY, Bentrem DJ, Yang AD. Risk factors for post-pancreaticoduodenectomy delayed gastric emptying in the absence of pancreatic fistula or intra-abdominal infection. Journal of Surgical Oncology. 2019 Jun 1; 119(7):925-931.

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BACKGROUND AND OBJECTIVES: Delayed gastric emptying (DGE) occurs commonly following pancreaticoduodenectomy (PD), but the rate of DGE in the absence of other intra-abdominal complications is poorly understood. The objectives of this study were to define the incidence of DGE and identify risk factors for DGE in patients without pancreatic fistula or other intra-abdominal infections. METHODS: Retrospective cohort study utilizing the American College of Surgeons National Surgical Quality Improvement Program pancreatectomy variables to identify patients with DGE following PD without evidence of fistula or intra-abdominal infection. Multivariable models were developed to assess preoperative, intraoperative, and technical factors associated with DGE. RESULTS: The rate of DGE was 11.7% in 10502 cases without pancreatic fistula or intra-abdominal infection. Patients were more likely to develop DGE if age 75 (odds ratio [OR], 1.22; P = 0.003), male (OR, 1.29; P < 0.001), underwent pylorus-sparing PD (OR, 1.27; P = 0.004), or had a prolonged operative time (OR, 1.38 if greater than seven vs less than 5 hours; P = 0.005). Factors not associated with DGE included BMI, pathologic indication, and surgical approach. CONCLUSION: The incidence of DGE after PD is notable even in patients without other abdominal complications. Identification of patients at increased risk for DGE may aid patient counseling as well as decisions regarding surgical technique, enteral feeding access, and enhanced-recovery pathways.

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