Evaluation of the Efficacy of Ambu® aScope for Intubation in Cancer Tongue

Randomized- Single Blind Trial of Ambu Ascope and Fiberoptic in Severely Difficult Air Way Patient Having Posterior Third Fixed Tongue Cancer

This study compares the ascope with standard fiberscope using the nasal route of intubation in patient having sever difficult airway (having posterior one third cancer tongue with fixed mobility)

patient will be allocated into two group according to the type of endoscope used group (F) fibro scope group and group (A) the ambu ascope group The timer will be started (T0), when touching the fiberscope or a scope. The standard fiberscope or a scope2 will be introduced through the nostril and advanced through the vocal cords, once carina identified the time will be recorded ( T1) When correct positioning of the trachea confirmed by detection of the end-tidal co2 curve on capnography (T2).

Inclusion Criteria:

1. Adult patients of ASA physical status I and II who will be scheduled for posterior third fixed cancer tongue with severe difficult airway requiring naso-tracheal intubation
2. aged 18-70 years

Exclusion Criteria:

1. ASA 2 or 4
2. pregnant