Incidence and predictors of difficult mask ventilation and intubation.

Background: This study is aimed to determine the incidence and predictors of difficult and impossible mask ventilation.

Materials And Methods: Information like age, snoring history, obstructive sleep apnea, dental and mandibular abnormalities, macroglossia, grading like SLUX, Mallampatti, Cormack Lehanne, atlantooccipital extension, presence of beard or moustache, mouth opening were collected. During mask ventilation, the information related to the ventilation and intubation was collected.