Table 2.
Adverse event distribution by procedure type
| Case type | No. (%) | Adverse events |
||
|---|---|---|---|---|
| Death | Injury | Device malfunction | ||
|
| ||||
| TORS (unspecified) | 13 (36.1) | 4 | 4 | 5 |
| BOT | 8 (22.2) | 6 | 1 | 1 |
| SAP | 3 (8.3) | 1 | 2 | 0 |
| Thyroidectomy | 3 (8.3) | 0 | 2 | 1 |
| Multiple site resection* | 3 (8.3) | 2 | 1 | 0 |
| Pharyngectomy | 2 (5.5) | 0 | 2 | 0 |
| Partial laryngectomy | 1 (2.7) | 1 | 0 | 0 |
| Supraglottic resection | 1 (2.7) | 1 | 0 | 0 |
| Neck dissection | 1 (2.7) | 0 | 1 | 0 |
| Tonsillectomy | 1 | 0 | 1 | 0 |
| Total | 36 | 15 | 13 | 8 |
BOT base of tongue, SAP sleep apnea procedure, TORS transoral robotic surgery
*
Surgical resection areas included portions in various combination of the pharynx, tonsils, palate, and base of tongue