Antecedentes In patients with expected difficult airways undergoing surgery, tracheal intubation must be performed with a fiberoptic bronchoscope or video laryngoscope while keeping the patient awake and under the effects of anesthetic sedation.
Objective: To determine and compare the existence of postoperative memories of the patients and the different levels of sedation (Ramsay scale) obtained during the intubation procedure.
Methods Prospective observational study that includes 100 patients older than 18 years who are going to undergo surgery, who need fiberoptic bronchoscopy/videolaryngoscopy for tracheal intubation due to the planned difficult airway and intravenous sedation. Patients with an unexpected difficult airway, under 18 years of age and/or with cognitive impairment will be excluded. After checking the tracheal intubation, the general anesthesia indicated for each patient will be used.
Twenty-four hours after tracheal extubation, the patient will be questioned about the pain presented during the fiberoptic bronchoscopic/videolaryngoscopic procedure and postoperative memories based on a modified Brice questionnaire. At 30 days after surgery, the postoperative memories of the patients will be evaluated again by telephone interview.
Patients older than 18 years
Patients undergoing surgery
Patients with predicted difficult airway
Patients under 18 years of age
Patients without cognitive disorders
Patients older than 18 years undergoing surgery, who need fiberoptic bronchoscopy/videolaryngoscopy for tracheal intubation due to the planned difficult airway and intravenous sedation.
Cohort
Prospective
Sedation
Other interventionDifferent degrees of intravenous sedation according to the Ramsay scale
Incidence of postperative memories
* Determine and compare, between study groups, the existence of postoperative memories according to Brice's questionnaire, in patients who need conscious tracheal intubation, under the effects of intravenous sedation. * Determine and compare, between study groups, postoperative memories for each sedation level of the Ramsay scale.
Determine other adverse effects:
Record patients who present respiratory depression (SpO2 \<90%), discomfort (cough and movements)
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