Table 2.
Complication | Reported cases(n) | USG guidance | Fluoroscopy guidance |
---|---|---|---|
| |||
Local complications | |||
| |||
Hematoma | 41 | 11 | 23 |
Blood aspiration | 20* | 8 | |
Intrathoracic bleeding† | 7 | 6 | |
Pneumothorax | 3 | 1 | |
Infection | 3 | ||
Bradycardia | 2 | ||
Dural puncture | 1 | ||
Hemomediastinum | 1 | ||
Sinus arrest due to vasovagal | 1 | ||
reflux | |||
Transient neurologic injury | 1 | 1 | |
LMA puncture | 1 | ||
Asystolic cardiac arrest | 1 | ||
Total (systemic and local) | 260 | 64 (24.6%) | 70 (26.9%) |
Among these 20 patients, 12 patients underwent SGNB by landmark-based technique and 8 patients with fluoroscopy guidance.
One patient was found to have an intrathoracic and retrotracheal hematoma on autopsy.
LMA, laryngeal mask airway; SGNB, stellate ganglion nerve block; USG, ultrasonography.