Risk of Aspiration Pneumonitis After Elective Esophagogastroduodenoscopy in Patients on Glucagon-Like Peptide-1 Receptor Agonists

No SJR dataSep 6, 2024Cureus

Risk of Lung Inflammation from Stomach Fluid Inhalation After Planned Upper Digestive Tract Exam in Patients Taking Glucagon-Like Peptide-1 Medicines

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Abstract

Patients receiving GLP-1 receptor agonists have a small but significant risk of aspiration pneumonitis during elective esophagogastroduodenoscopy (EGD).

There is an increased risk of aspiration in patients using GLP-1 receptor agonists during elective upper endoscopy.
No significant increase in respiratory failure or intensive care unit admission was observed in this cohort.
Factors such as advanced age, impaired gag reflex, and gastrointestinal symptoms may further influence aspiration risk.
This study highlights the need for individualized preoperative management for patients on GLP-1 receptor agonists.

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Background Glucagon-like peptide-1 receptor agonists (GLP-1RAs) are gaining popularity in the management of diabetes mellitus and obesity. It has been suggested that this class of medications causes delayed gastric emptying which raised concerns about the potential for aspiration of gastric contents in patients undergoing sedation. This led to a statement by the American Society of Anesthesiologists about their preoperative use. Nevertheless, there is minimal evidence regarding the effects of GLP-1RAs on the risk of aspiration post-esophagogastroduodenoscopy (EGD). In this study, we sought to evaluate the incidence of aspiration and pneumonia in patients receiving GLP-1RAs who underwent EGD. Methodology We performed a retrospective cohort study in TriNetX, a global federated research network of electronic health records. The primary outcome was the development of aspiration post-EGD. Secondary outcomes were the development of aspiration pneumonia and requiring antibiotics post-EGD. One-to-one propensity score matching was performed for age, sex, diabetes mellitus, obesity, and other comorbidities between the cohorts. Results Our analysis showed a small but significant risk of aspiration pneumonitis in patients on GLP-1RAs undergoing elective EGD compared to non-GLP-1RA-receiving patients. However, there was no increased risk of the composite outcome of respiratory failure or intensive care unit (ICU) admission; however, this did not reach statistical significance. Conclusions GLP-1RA use was associated with an increased risk of aspiration in patients undergoing elective upper endoscopy. However, this did not translate to an increased risk of respiratory failure or ICU admission. Our findings highlight the importance of following an individualized approach to preoperative management that takes into consideration GLP-1RA indications and other aspiration risk factors, including advanced age, impaired gag reflex, and gastrointestinal symptoms such as nausea and abdominal distention.

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