None
Conditions
Interventions
The Disposable Conventional Laryngeal Mask Airway Group(Slipa Laryngeal Mask)(Control Group,Group B):Use a disposable conventional laryngeal mask airway for ventilation
The Disposable Adjustable Visual Laryngeal Mask Airway Group(Experimental Group,Group A):Use a disposable adjustable visual laryngeal mask airway for ventilation
Sponsors
West China Hospital of Sichuan University
Eligibility
Sex/Gender
All
Age
65 Years to No maximum
Inclusion criteria
Inclusion criteria: 1.Aged 65 years or older. 2.American Society of Anesthesiologists (ASA) physical status classification of I to III; 3.Patients scheduled for laparoscopic cholecystectomy; 4.Signed informed consent;
Exclusion criteria
Exclusion criteria: 1.Patient or family refusal; 2.Participation in another clinical study prior to enrollment; 3.Limited mouth opening(less than two transverse finger widths); 4.Presence of oropharyngeal deformities or other pathological changes; 5.Patients with a documented history of difficult airway management(including difficult mask ventilation and difficult intubation); 6.High risk of vomiting,aspiration,or a history of recurrent vomiting episodes; 7.Severe obesity(BMI>30 kg/m²);
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| First-attempt success rate of laryngeal mask airway insertion;The incidence of postoperative hoarseness;The incidence of postoperative sore throat;The incidence of blood-stained laryngeal mask airway after surgery.; | — |
Secondary
| Measure | Time frame |
|---|---|
| The number of cases in which the laryngeal mask airway was replaced with a tracheal tube from the time of anesthesia induction to the end of surgery.;The time required for laryngeal mask airway insertion;The overall success rate of laryngeal mask airway insertion;Airway seal pressure after the placement of the laryngeal mask airway.;The quality of screen imaging of the disposable adjustable visual laryngeal mask airway;The number of attempts for laryngeal mask airway insertion;Airway pressure after successful placement of the laryngeal mask airway;The ease of laryngeal mask airway insertion;The glottic exposure grade and the highest alignment accuracy of the disposable adjustable visual laryngeal mask airway and the disposable laryngeal mask airway under fiberoptic bronchoscopy.;The number of adjustments for laryngeal mask airway displacement during surgery.;The probability of air leakage with the laryngeal mask airway.;Airway pressure during mask ventilation (VCV 6 ml/kg, RR 12 breaths/min).; | — |
Countries
China
Contacts
Public ContactJun Ma
West China Hospital of Sichuan University
Outcome results
None listed