In this study, the investigators will evaluate the advanced airway methods applied in the anesthesiology and reanimation clinic of the hospital to patients who met the criteria for awake intubation specified in the ASA 2022 difficult airway management guideline or who could not be intubated after induction of anesthesia in another center. The advanced airway method applied to the difficult airway patient expected in the operating room, the duration, success and complications of the method will be observed and recorded.

Patients who meet the inclusion criteria will be informed about the difficult airway and their verbal and written consent will be obtained.

When participants are taken to the room, an observer will be in the operation room. There was no emergency to the patient's primary anesthesiologist, will not be involved. Record patients' demographic data, Mallampati scores, thyromental distance, and neck circumference.

The airway method preferred by the physician, procedure duration, number of attempts, success, and complications will be recorded.

Inclusion Criteria:

• Over 18 years old
• Meets the expected difficult airway criteria
• Being awakened after induction of anesthesia in another center
• At least one of the awake intubation criteria in the DAS 2022 guideline
• Elective surgeries

Exclusion Criteria:

• Emergency surgeries
• Patients intubated with anesthesia
• Noncoopere patients

Patients who were previously evaluated for difficult airway criteria and predicted to have a difficult airway or who could not be ventilated or intubated after induction of anesthesia in another center.