• Saullo Queiroz Silveira, da SilvaLeopoldo MunizLMDepartment of Anesthesiology, São Luiz Hospital - ITAIM / Rede D'Or - CMA Anesthesia group, São Paulo, SP, Brazil., Arthur de Campos Vieira Abib, de MouraDiogo Turiani HourneauxDTHDepartment of Endoscopy, Vila Nova Star Hospital / Rede D'Or - CMA Anesthesia group, São Paulo, SP, Brazil., de MouraEduardo Guimarães HourneauxEGHDepartment of Endoscopy, Vila Nova Star Hospital / Rede D'Or - CMA Anesthesia group, São Paulo, SP, Brazil., Leonardo Barbosa Santos, Anthony M-H Ho, Rafael Souza Fava Nersessian, Filipe Lugon Moulin Lima, Marcela Viana Silva, and Glenio B Mizubuti.
• Department of Anesthesiology, Vila Nova Star Hospital / Rede D'Or - CMA Anesthesia group, São Paulo, SP, Brazil.
• J Clin Anesth. 2023 Aug 1; 87: 111091111091.

Study ObjectiveSemaglutide is a long-acting glucagon-like peptide-1 receptor agonist used for management of type 2 diabetes and/or obesity. To test the hypothesis that perioperative semaglutide use is associated with delayed gastric emptying and increased residual gastric content (RGC) despite adequate preoperative fasting, we compared the RGC of patients who had and had not taken semaglutide prior to elective esophagogastroduodenoscopy. The primary outcome was the presence of increased RGC.DesignSingle-center retrospective electronic chart review.SettingTertiary hospital.PatientsPatients undergoing esophagogastroduodenoscopy under deep sedation/general anesthesia between July/2021-March/2022.InterventionsPatients were divided into two (SG = semaglutide, NSG = non-semaglutide) groups, according to whether they had received semaglutide within 30 days prior to the esophagogastroduodenoscopy.MeasurementsIncreased RGC was defined as any amount of solid content, or > 0.8 mL/Kg (measured from the aspiration/suction canister) of fluid content.Main ResultsOf the 886 esophagogastroduodenoscopies performed, 404 (33 in the SG and 371 in the NSG) were included in the final analysis. Increased RGC was observed in 27 (6.7%) patients, being 8 (24.2%) in the SG and 19 (5.1%) in the NSG (p < 0.001). Semaglutide use [5.15 (95%CI 1.92-12.92)] and the presence of preoperative digestive symptoms (nausea/vomiting, dyspepsia, abdominal distension) [3.56 (95%CI 2.2-5.78)] were associated with increased RGC in the propensity weighted analysis. Conversely, a protective [0.25 (95%CI 0.16-0.39)] effect against increased RGC was observed in patients undergoing esophagogastroduodenoscopy combined with colonoscopy. In the SG, the mean time of preoperative semaglutide interruption in patients with and without increased RGC was 10.5 ± 5.5 and 10.2 ± 5.6 days, respectively (p = 0.54). There was no relationship between semaglutide use and the amount/volume of RGC found on esophagogastroduodenoscopy (p = 0.99). Only one case (in the SG) of pulmonary aspiration was reported.ConclusionsSemaglutide was associated with increased RGC in patients undergoing elective esophagogastroduodenoscopy. Digestive symptoms prior to esophagogastroduodenoscopy were also predictive of increased RGC.Copyright © 2023 Elsevier Inc. All rights reserved.

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