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Background: Clinical care pathways help guide and provide structure to clinicians and providers to improve healthcare delivery and quality. The Quality Improvement and Patient Safety Committee (QIPS) of the American Society for Metabolic and Bariatric Surgery (ASMBS) has previously published care pathways for the performance of laparoscopic sleeve gastrectomy (LSG) and pre-operative care of patients undergoing Roux-en-Y gastric bypass (RYGB)., Objective: This current RYGB care pathway was created to address intraoperative care, defined as care occurring on the day of surgery from the preoperative holding area, through the operating room, and into the postanesthesia care unit (PACU)., Methods: PubMed queries were performed from January 2001 to December 2019 and reviewed according to Level of Evidence regarding specific key questions developed by the committee., Results: Evidence-based recommendations are made for care of patients undergoing RYGB including the pre-operative holding area, intra-operative management and performance of RYGB, and concurrent procedures., Conclusions: This document may provide guidance based on recent evidence to bariatric surgeons and providers for the intra-operative care for minimally invasive RYGB., (Copyright © 2024 American Society for Metabolic and Bariatric Surgery. All rights reserved.)

Background: Surgical staplers represent one of the important instruments in modern surgery. Laparoscopic Roux-en-Y gastric bypass is one of the most commonly performed bariatric procedures. Various techniques have been described for performing gastrojejunal (GJ) anastomosis, including linear stapled anastomosis (LSA), circular stapled anastomosis (CSA) and hand-sewn anastomosis (HSA)., Objectives: An ex-vivo porcine-based experiment was designed to compare the mechanical integrity of the GJ anastomosis among the 3 different techniques by measuring burst pressure (BP)., Setting: Laboratory-based study conducted at the clinical skills laboratory at Birmingham Heartlands Hospitals, Birmingham, United Kingdom., Methods: Porcine stomachs and small bowels were used to create a GJ model. Four GJ anastomosis models each were created using circular stapler (CSA group) and hand-sewn techniques (HSA group). Stomach and small bowel thickness were recorded. BP was measured by sequential injections of methylene-blue diluted saline until a leak was detected. Total volume until leak is recorded. Compliance (C) was calculated using the formula C = ΔP/ΔV., Results: Results from our previous experiment for the LSA group are included. One model was excluded from the CSA and the HSA groups due to technical errors. Results were presented as mean ± standard deviation. Total volume in LSA, CSA, and HSA groups was 60 ± 4.08 mL, 73.67 ± 3.22 mL, and 51.67 ± 20.21 mL, respectively. BP in LSA, CSA, and HSA groups was 18 ± 4.69 mm Hg, 20.33 ± 5.77 mm Hg, and 9.67 ± 3.79 mm Hg, respectively. There was a statistically significant difference in BP among the 3 groups (P = .033; Kruskal-Wallis test). C in LSA, CSA, and HSA were 3.50 ± .88 mm Hg/mL, 3.78 ± .85 mm Hg/mL, and 5.39 ± 1.34 mm Hg/mL, respectively (P = .064)., Conclusion: BP was higher in CSA and LSA groups compared with the HSA group, suggesting a mechanically stronger anastomosis. Despite the lack of statistical significance, higher BP recorded in the CSA group than in the LSA group suggests better anastomotic integrity., (Crown Copyright © 2019. Published by Elsevier Inc. All rights reserved.)