Analysis of the Frequency of Peroral Endoscopic Myotomy Adverse Events
| Adverse events | n (%) |
|---|---|
| None | 207 (63.1) |
| Major | |
| Mucosal injury | 5 (1.5) |
| Bleeding | 2 (0.6) |
| Hemothorax | 1 (0.3) |
| Minor | |
| Gas-related | |
| Pneumoperitoneum | 51 (15.5) |
| Subcutaneous emphysema | 16 (4.9) |
| Pneumomediastinum | 6 (1.8) |
| Pneumoretroperitoneum | 2 (0.6) |
| Not related to gas | |
| Pneumonia | 15 (4.6) |
| Pain | 9 (2.7) |
| Fever | 8 (2.4) |
| Pleural effusion | 3 (0.9) |
| Others | |
| Diarrhea | 2 (0.6) |
| Pharyngeal laceration | 1 (0.3) |
| Total | 328 (100.0) |