Comparison of Effectiveness of Mask Ventilation and Endotracheal Tube in Pharynx (TTIP) in Patients With Potential Difficult Airway

Comparison of Effectiveness of Mask Ventilation and Endotracheal Tube in Pharynx (TTIP) in Patients With Potential Difficult Airway:A Prospective Randomized and Blinded Trial.

The purpose of this study is to determine the efficacy of TTIP-first ventilation and to compare the efficacy of TTIP first ventilation with the current practice of mask-first ventilation

Inclusion Criteria:

• BMI >30 kg/m2
• Mallampati class III or IV
• Requiring general anesthesia

Exclusion Criteria:

• Acute and chronic respiratory disorders, including Chronic obstructive pulmonary disease(COPD)and asthma
• American Society of Anesthesiologists (ASA)physical status classification ≥IV
• Emergency surgery
• Induction requiring rapid sequence for intubation
• Patients requiring awake intubation
• Pregnant women
• Untreated ischemic heart disease
• Contraindication for mask ventilation