HSS study finds extended fasting fails to fully offset GLP-1-linked pre-surgery full-stomach risk
XLV•HSS presents preoperative stomach-assessment studies
HSS researchers presented two preoperative stomach-assessment studies at the 2026 ESRA Congress as GLP-1 and cannabis use rises.
- GLP-1 analysis indicated extended fasting can lower the chance of a non-empty stomach before surgery, without fully removing aspiration risk.
- Cannabis study found inconsistent readings among experienced clinicians reviewing gastric ultrasound images, undermining confidence in current criteria.
- Findings point to higher clinical uncertainty, likely supporting more individualized perioperative decisions rather than blanket fasting or ultrasound rules.




