“…Such complications may be more likely in anatomic regions with close proximity to nerves with multiple organs or high vascularity, such as the neck region. Consequently, puncture-related complications, such as respiratory failure caused by brain-stem anesthesia, 4,5 , laryngeal 6 or phrenic nerve palsy, 7,8 nerve injury, 9 or accidental intravascular injection of local anesthetic (LA) 10 have been reported in nerve blocks of the neck region.…”