Supraglottic airway devices are important tools for airway management. Supraglottic airway devices have been introduced into brief surgical interventions because they are less invasive than intubation and safer than mask to maintain the patency of airway after induction of anesthesia. They are inserted via the oral route and can be used in emergency conditions when tracheal intubation and mask anesthesia are challenging. Air Q intubating airway and Ambu Aura intubating laryngeal mask are two Supraglottic airway devices that are widely used. Aim of the work is to compare Air-Q intubating laryngeal airway versus Ambu-Aura intubating laryngeal mask regarding sealing pressure and Fiberoptic intubation in class II obese patients.
Randomized comparative trial that will be performed in Kasr Al Ainy hospital, Cairo University, Cairo, Egypt.ASA II patients from 20 to 50 years of age, undergoing minor surgry were included in this study. 40 patients will be allocated into 2 equal groups using computerized software and enclosed in sealed opaque envelopes: GQ ( n=20 ): Where Air-Q intubating laryngeal airway will be used for ventilation \& intubation through fiberoptic bronchoscope. GA ( n=20 ): Where Ambu-Aura intubating laryngeal mask will be used for ventilation \& intubation through fiberoptic bronchscope.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
40
Air-Q intubating laryngeal airway will be used for ventilation \& intubation through fiberoptic bronchoscope.
Ambu-Aura intubating laryngeal mask will be used for ventilation \& intubation through fiberoptic bronchscope.
Cairo university
Cairo, Egypt
RECRUITINGairway seal pressure
Measuring the seal pressure above which the oropharyngeal leak through the supraglottic device will occur (1 minute after confirmation of successful insertion).
Time frame: 1 minute
Success rate
Success rate of device insertion
Time frame: 1 minute
arterial blood pressure
systolic and diastolic arterial blood pressure. • Stress response related to the device used.
Time frame: 2 hours
heart rate
• Stress response related to the device used
Time frame: 2 hours
Laryngeal view grade.
Grade 1: only larynx was seen, Grade 2: larynx plus the posterior surface of epiglottis were seen. Grade 3: larynx and anterior tip of epiglottis were seen with \<50% visual obstruction of larynx. Grade 4: epiglottis down folded and its anterior surface were seen with \>50% visual field obstruction. Grade 5: complete down folding of epiglottis and the larynx could not be seen directly
Time frame: 1 minute
Success rate of intubation by fiberoptic bronchoscope
The success of the ventilation will be determined based on visible chest expansion, adequate tidal volume and drawing of 6 successive ETCO2 waves.
Time frame: 1 minute
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