Stellate Ganglion Block on Postoperative Sleep Status in Patients With Prolonged Disorders of Consciousness

Inclusion criteria

• Aged 18-65 years;
• Prolonged disorders of consciousness after acquired brain injury;
• Scheduled to undergo spinal cord electronic stimulator implantation under general anesthesia;
• The skull is intact;
• Informed consent is obtained;

Exclusion criteria

• Continuous sedation therapy is performed within 72 hours prior to the study;
• The integrity of brain structure is disrupted due to causes such as open head injury and cerebral parenchymal resection;
• Decreased intracranial compliance caused by hydrocephalus and other reasons;
• Airway stenosis or severe dysfunction of ventilation or gas exchange due to various causes;
• Known or suspected severe cardiac, pulmonary, and renal dysfunction;
• History of sedative drug allergy;
• Complicated by other mental or neurological disorders;
• Local anesthetic allergy;
• Other reasons for ineligibility in this study;
• Informed consent is not obtained;