Planned to perform hip replacement surgery in the lateral position
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age >= 18 years old; 2. ASA grade: I-III; 3. Elective lateral lateral hip replacement surgery under general anesthesia; 4. Planned surgical time < 2h; 5. Planned to removed the endotracheal tube immediately after surgery; 6. The patient have signed the informed consent form;
Exclusion criteria
Exclusion criteria: 1. Mallampati classification > II; 2. BMI > 30kg/m^2; 3. Patients with the possibility of reflux aspiration; 4. Cardiac insufficiency or combined with cardiopulmonary diseases; 5. Have a history of respiratory infection within one month before the operation and have not quit smoking; 6. Patients with anticipated and unanticipated difficult airway(Mouth opening degree < 2 transverse fingers, limited neck movement, and previous history of radiotherapy for the pharyngeal and cervical regions); 7. Have a history of head and neck surgery;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Effective ventilation rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Complications associated with artificial airway insertion;The lowest SpO2 during inserting a visual laryngeal mask/tracheal tube;The number of adjust artificial airways during the operation;complication (Hoarseness and sore throat);The number of artificial airway insertions;The rate of laryngeal mask displacement;Hemodynamic parameters;The time of artificial airway established;The time of artificial airway removed;Ventilator parameters (parameters related to respiratory mechanics); | — |
Countries
China
Contacts
West China Hospital of Sichuan University