Clinical Research Directory

Inclusion Criteria: * Age greater than 18 years. * Patients scheduled for elective procedures requiring general anesthesia and orotracheal intubation. Exclusion Criteria: * Age less than 18 years. * Refusal to participate in the study. * Surgeries performed on an urgent or emergency basis. * Surgeries in pregnant women. * Cardiac surgeries. * Surgeries requiring single-lung ventilation. * Head and neck surgeries. * Surgeries on the cervical segment of the dorsal spine. * Surgeries requiring lateral or prone positioning. * Anticipated difficult airway (unanticipated difficult airways will be included). * Insufficient fasting time. * Surgeries in patients admitted to intensive care units. * Patients presenting the same symptoms included in the outcomes to be measured (pre-existing hoarseness, pain, cough, hemoptysis). * Tracheostomized patients or those with previous tracheobronchial segment lesions.