General anesthesia
Conditions
Interventions
visual laryngeal mask group:using SafeLM to establish the airway
traditional laryngeal mask group:using Supreme LMA to establish the airway
Sponsors
Shanghai Changhai Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 64 Years
Inclusion criteria
Inclusion criteria: 1. ASA 1-2; 2. Aged 18-64 years; 3. elective orthopedic surgery in the lower limb performed under general anesthesia; 4. BMI 18.5-25kg/m2; 5. predicted surgical duration less than 3 hours; 6. pateints who provide their informed consent.
Exclusion criteria
Exclusion criteria: 1. Abnormal airway structure (restricted mouse open, micromandible, Mallampati classification > 3, OSAS, reduced extent of cervical movement) 2. Previous surgery or radiotherapy in the mouse, laryngeal or cervix 3. High risk of gastroesophageal reflux (hiatus hernia, gastroesophageal reflux disease, full stomach) 4. Chronic throat ache 5. Asthma, COPD or other restrictive ventilation dysfunction 6. Weight > 80kg or < 40kg (restricted by the optical laryngeal mask)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Rate of first-insertion success; | — |
Secondary
| Measure | Time frame |
|---|---|
| Intubation duration;Rate of success after in-situ adjustment;Rate of total success;Rate of transition to trachea intubation;Rate of success in first-insertion of gastric tube and bubble test;Seal pressure of laryngeal mask;Incidence of using vasoactive medications during anesthesia induction;Incidence of leakage during surgery;Position classification of laryngeal mask after surgery using the fiberoptic bronchoscopy;Complications during recovery and 24h after surgery; | — |
Countries
China
Contacts
Public ContactDeng Xiaoming
Shanghai Changhai Hospital
Outcome results
None listed