Air intake in the stomach
Conditions
Interventions
Control group A:Without any pressing, simply place your hand on the patients neck without applying any pressure, to simulate the preparatory action.
The classic Sellick maneuver group B (cricoid compression group):Use the thumb and index finger to pinch both sides of the ring-shaped cartilage and apply a pressure of approximately 30N towards the p
Group C of the suprahyoid compression group under ultrasound guidance:Press the pre-induction marking points beside the probe with the thumb and index finger until the esophagus is flattened or disapp
Sponsors
General Hospital of Central Theater Command of the Chinese PLA
Eligibility
Sex/Gender
All
Age
18 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1. Age 18-75 years, any gender; 2. Scheduled laparoscopic cholecystectomy under general anesthesia with endotracheal intubation; 3. American Society of Anesthesiologists (ASA) classification I–III; 4. Signed informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients who refuse to participate; 2. Patients with severe allergies to anesthetic drugs; 3. Patients suspected of having difficulty with mask ventilation and/or tracheal intubation; 4. Patients who have participated in other clinical trials within the past 3 months; 5. Patients allergic to ultrasound coupling agents; 6. Patients with neck deformities or injuries; 7. Patients with severe cardiovascular diseases (acute heart failure, myocardial infarction, etc.); 8. Patients whose gastric antrum is unclear or who have significant gas accumulation in the stomach.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The incidence rate of "comet-shaped shadow" or "echo shadow" appearing in the gastric antrum under ultrasound examination; | — |
Secondary
| Measure | Time frame |
|---|---|
| Cormack-Lehane laryngoscopy grading system;By scoring the degree of gastric distension under direct vision through laparoscopy;Success rate of one-time intubation, intubation time;Incidence of sore throat/speech hoarseness within 24 hours after surgery, incidence of reflux aspiration; | — |
Countries
China
Contacts
Public ContactXiang Zhou
General Hospital of Central Theater Command of the Chinese PLA
Outcome results
None listed