surgical diseases
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: patients selected for this study must meet all of the following criterion: 1. Age is between 17 to 65 years old; 2. ASA scores I-II; 3. Actual weight is between 30 to 100 kilogram; 4. Patients undergo selective suprine operations under general anesthesia (laryngeal mask); 5. Patients agree to paticipate in our study and sign Informed Consent Form
Exclusion criteria
Exclusion criteria: Patients cannot paticipate in this study if they have any of the following conditions: 1. Airway stenosis, history of airway masses etc, whicn may cause obstruction to ventilation; 2. Swelling of the neck caused by huge mass in the neck and history of neck surgery etc, which doesn't contribute to ultrasound observation; 3. Stomach fullness, intestinal obstruction, gastroesophageal reflux disease etc,which may cause reflux aspiration.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Ultrasound scoring system;air leakage test grading system;fiberoptic scoring system; | — |
Secondary
| Measure | Time frame |
|---|---|
| complications related to LMA; | — |
Countries
China
Contacts
Shenzhen Second People's Hospital