None listed
Conditions
Interventions
Group A:Ultrasound-guided anterior bilateral superior laryngeal nerve block
Group P:Ultrasound-guided posterior bilateral superior laryngeal nerve block
Sponsors
West China Hospital of Sichuan University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Patients undergoing elective surgery under general anesthesia in West China Hospital of Sichuan University; 2. Aged between 18 and 65 years; 3. ASA I- III; 4. Agree to sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Those who cannot cooperate with the study for any reason or are considered unsuitable for inclusion in the study by the researchers; 2. Patients with possible difficult airway (cervical spine mobility limitation, mouth opening 26kg/m^2, Mallampati ? or ?, etc.); 3. There is contraindication of superior laryngeal nerve block; 4. Unstable mental state; 5. A history of allergy to anesthetics; 6. Have learning difficulties or intellectual disabilities; 7. Other factors that should not be included in the study (such as laryngeal cancer surgery, laryngeal radiotherapy, coronary heart disease patients, asthma patients, etc.); 8. Have learning difficulties or intellectual disabilities.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The proportion of acceptable intubation condition (AIC); | — |
Secondary
| Measure | Time frame |
|---|---|
| time required for intubation;heart rate;mean arterial pressure;oxyhemoglobin saturation;score of sore throat;score of trachyphonia;frequency of adverse events;incidence of complications of superior laryngeal nerve block;the first-attempt intubation success rate;time consumption of airway anesthesia; | — |
Countries
China
Contacts
Public ContactZhu Tao
Department of Anesthesiolog, West China Hospital, Sichuan University
Outcome results
None listed