The purpose of this study is to determine whether the leak pressure of the recently introduced laryngeal mask airway, Ambu AuraGain performs superior to the established laryngeal mask LMA Supreme in surgical patients undergoing general anesthesia. This leak pressure is the pressure at which a gas leaks around the airway, which is a key marker of efficacy and safety of its use; a higher leak pressure suggests a better seal between the artificial airway and patient's airway.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
DOUBLE
Enrollment
170
Toronto Western Hospital
Toronto, Ontario, Canada
Oropharyngeal leak pressure (OLP) for each airway device after insertion
OLP is defined as 'the anesthesia circuit pressure at which a gas leak occurs around the SAD'.
Time frame: Within 2-3 minutes after laryngeal mask insertion before start of surgery.
Phrayngolaryngeal complications
Complications like sore throat, dysphonia, dysphagia
Time frame: at 1 hr, 2hr and 24 hrs after the surgery
Postoperative nausea and vomiting (PONV)
PONV in the post anesthesia care unit (PACU)- PONV will be recorded as only None for No PONV and Yes for present. Severity grading will not be recorded.
Time frame: at 1 hr, 2hr and 24 hrs after the surgery
Satisfaction of patient and the anesthesiologist with the device
Patient satisfaction (5 point scale)- 0 for very dissatisfied to 5 for very satisfied Anesthesiologist satisfaction scale- Low, Moderate and High
Time frame: After 1hr in the post anesthesia care unit (PACU)
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