# Impact of anesthesia methods on adverse cardiovascular events during painless gastroscopy in frail older patients: study protocol for a prospective controlled trial

**Authors:** Xuming Liu, Haijun Hou

PMC · DOI: 10.3389/fmed.2026.1784922 · 2026-03-05

## Full-text entities

- **Species:** Homo sapiens (human, species) [taxon 9606]

## Figures

1 figure with captions in the complete paper: https://tomesphere.com/paper/PMC12999575/full.md

---
Source: https://tomesphere.com/paper/PMC12999575