none
Conditions
Interventions
Superior laryngeal nerve block group(S group):After operation, 2ml of 1% lidocaine was injected into each side of the superior laryngeal nerve
Placebo control group(C group):After operation, 2ml of 0.9% sodium chloride solution was injected into each side of the superior laryngeal nerve
Sponsors
The First Affiliated Hospital of University of Science and Technology of China
Eligibility
Sex/Gender
All
Age
18 Years to 64 Years
Inclusion criteria
Inclusion criteria: (1) Patients undergoing elective craniotomy (2) aged 18-64 years old (3) ASA Grade II to III (4) signed informed consent before surgery
Exclusion criteria
Exclusion criteria: (1) History of local anesthetic allergy; (2) Skin infection and goiter at the puncture site; (3) Coagulation dysfunction; (4) BMI > 30kg/m2; (5) serious abnormal function of heart, liver, lung, kidney and other vital organs before operation; (6) Asthma, chronic cough, a history of upper respiratory tract infection within 1 week, and a history of long-term sore throat; (7) Those who are combined with mental system diseases, cannot cooperate, and cannot communicate normally.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence and severity of cough reaction during extubation; | — |
Secondary
| Measure | Time frame |
|---|---|
| Hemodynamic indexes: blood pressure, heart rate and oxygen saturation ;Emergence agitation;Postoperative sore throat;Adverse event;The number of times remedies were used for severe choking; | — |
Countries
China
Contacts
Public ContactWang Shudong
The First Affiliated Hospital of University of Science and Technology of China
Outcome results
None listed