Semaglutide use linked to full stomach during fasting, raising pulmonary aspiration risk for anesthesia
Background
GLP-1 receptor agonists like semaglutide are crucial for managing obesity and type 2 diabetes mellitus. A known mechanism of these medications is the slowing of gastric emptying and reduced gastric motility. This physiological change can significantly increase the risk of pulmonary aspiration in patients undergoing anesthesia, even when standard fasting protocols are followed. Understanding the impact of GLP-1 analogues on gastric function is critical for patient safety during surgical procedures.
Study Design
This observational, cross-sectional study protocol describes the evaluation of gastric contents in volunteers using semaglutide. The study aims to enroll an estimated n=30 participants who do not have pre-existing risk factors for bronchoaspiration and are not undergoing anesthesia. Participants will adhere to recommended fasting times, after which their gastric contents will be assessed using gastric ultrasound. The primary objective is to determine if individuals on semaglutide maintain a full stomach despite adequate fasting.
Why It Matters
This research highlights a critical safety concern for patients on GLP-1 receptor agonists like semaglutide who require anesthesia. Anesthesiologists may need to adapt pre-operative fasting guidelines or implement alternative gastric emptying assessment methods for these individuals to mitigate the risk of pulmonary aspiration. The findings, once available, could inform new clinical protocols, potentially involving longer fasting periods or routine gastric ultrasound screening, to ensure patient safety in surgical settings. This could directly impact how patients using these popular medications are managed before procedures.
semaglutide
gastric emptying
anesthesia
pulmonary aspiration
glp-1 agonist
observational study