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BACKGROUND & AIMS: Glucagon-like peptide-1-receptor agonists (GLP1-RAs) have been associated with greater retention of gastric contents, however, there is minimal controlled, population-based data evaluating the potential adverse effects of GLP1-RA in the periprocedural setting. We aimed to determine if there is increased risk of aspiration and aspiration-related complications after upper endoscopy in patients using GLP1-RAs. METHODS: We used a nationwide commercial administrative claims database to conduct a retrospective cohort study of patients aged 18 to 64 with type 2 diabetes who underwent outpatient upper endoscopy from 2005 to 2021. We identified 6,806,046 unique upper endoscopy procedures. We compared claims for aspiration and associated pulmonary adverse events in the 14 days after upper endoscopy between users of GLP1-RAs, dipeptidyl peptidase 4 inhibitors (DPP4is), and chronic opioids. We adjusted for age, sex, Charlson Comorbidity score, underlying respiratory disease, and gastroparesis. RESULTS: We found that pulmonary adverse events after upper endoscopy are rare, ranging from 6 to 25 events per 10,000 procedures. When comparing GLP1-RAs with DPP4i, crude relative risks of aspiration (0.67; 95% CI, 0.25-1.75), aspiration pneumonia (0.95; 95% CI, 0.40-2.29), pneumonia (1.07; 95% CI, 0.62-1.86), or respiratory failure (0.75; 95% CI, 0.38-1.48) were not higher in patients prescribed a GLP1-RA. When comparing GLP1-RAs with opioids, crude relative risks were 0.42 (95% CI, 0.15-1.16) for aspiration, 0.60 (95% CI, 0.24-1.52) for aspiration pneumonia, 0.30 (95% CI, 0.19-0.49) for pneumonia, and 0.24 (95% CI, 0.13-0.45) for respiratory failure. These results were consistent across several sensitivity analyses. CONCLUSIONS: GLP1-RA use is not associated with an increased risk of pulmonary complications after upper endoscopy compared with DPP4i use in patients with type 2 diabetes.
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Purpose: In spring 2020, Coronavirus Disease 2019 (COVID-19) "stay-at-home" orders may have led to later, more acute disease presentations of emergent conditions such as gastrointestinal bleeding (GIB). In this retrospective cohort study, we compared incidence and severity of GIB during the strictest COVID shutdown to pre-COVID periods. Patients and methods: We compared weekly counts of emergency department (ED) visits for GIB between March 27 and May 7, 2020 (COVID period) and pre-COVID periods in 2019 and 2020 in a US statewide network of hospitals. We compared the severity of GIB presentations using incident rate ratios (IRR) of "severe" GIB (requiring ≥4 units of blood, endoscopic therapy, interventional radiology or surgical procedure), intensive care (ICU) admission and shock. We also looked for effect modification of demographic covariates on associations between year and GIB outcomes. Results: Fewer patients presented to ED for GIB during COVID than during the same dates in 2019 (534 versus 904; IRR 0.59, 95% CI 0.53-0.66). A greater proportion of COVID-period ED visits required inpatient admission (73.6% vs 67.8%, p = 0.02) and had severe GIB (19.3% vs 14.9%, p = 0.03). Proportion of patients requiring transfusion (p < 0.001), with shock (p < 0.01), or with critical hemoglobin (p = 0.003) or lactate (p = 0.02) were worse during COVID. Non-white patients experienced disproportionately worse outcomes during COVID than in 2019, with greater absolute counts of shock (65 vs 62, p = 0.01 for interaction) or ICU admission (40 vs 35, p = 0.01 for interaction). Conclusion: Fewer acute GIB presented during the pandemic period compared to the year prior. The severity of pandemic presentations was greater, driven by disproportionately worse outcomes in minorities.