Efficacy, Safety and Neural Mechanism of Stellate Ganglion Block in the Treatment of Anxiety. Disorder.

Stellate ganglion block refers to the injection of local anesthetic drugs into tissues around and near SG to regulate the tension of the sympathetic nervous system, inhibit the outflow of the sympathetic nerve in the innervation area of the stellate ganglion to the ipsilateral head, neck, chest and upper limb, and finally achieve the role of regulating the autonomic nervous system, circulatory system, endocrine system and immune system of the human body to maintain dynamic balance. It is used to treat a variety of pain and non-pain diseases.