Patients who need SGB due to pain or insomnia, etc.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Aged 18 to 65 years; 2)Patients ASA classification I-III; 3) Body mass index (BMI) 18 kg/m2~27.9 kg/m2. 4) agree to participate and obtain informed consent.
Exclusion criteria
Exclusion criteria: 1) Patients with allergy to local anesthetics; 2) Patients with contraindications to nerve block (coagulation disorders, sepsis, tumors at the puncture site, infections and other related diseases); 3) Patients with neck deformity, neck trauma or surgery with obvious scar; 4) Patients with mental disorder or central nervous system disease, or those who are unable to cooperate; 5) Patients with severe cardiopulmonary and other major organ insufficiency; 6) Pregnant and breastfeeding patients.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of Horner's syndrome;Infrared thermography positivity rate;Perfusion Index (PI);Common carotid artery flow index; | — |
Secondary
| Measure | Time frame |
|---|---|
| Time to onset of Horner syndrome after blockade; | — |
Countries
China
Contacts
Union Hospital, Tongji Medical College, Huazhong University of Science and Technology