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Revista Brasileira de Anestesiologia
On-line version ISSN 1806-907X
CARLI, Daniel de; CORREA, Nivaldo Simões; SILVA, Tatiana Castelo Branco Vilar and MARADEI, Eduardo Malta. Blind nasotracheal intubation in awaken patient scheduled for hemimandibulectomy: case report. Rev. Bras. Anestesiol. [online]. 2008, vol.58, n.1, pp. 55-62. ISSN 1806-907X. http://dx.doi.org/10.1590/S0034-70942008000100008.
BACKGROUND AND OBJECTIVES: Several resources can be used for the approach of the airways. Maintaining a patient awake when control of ventilation/oxygenation is uncertain is an option when intubation is doubtful. Blind nasotracheal intubation (NTI) is an alternative to fiberoptic endoscopy. CASE REPORT: A 75-year old patient, weighing 56 kg, was scheduled for hemimandibulectomy; she presented cervical immobility secondary to arthrodesis, mouth opening of 2.2 cm, moderate retrognatism, voluntary protrusion of the mandible was absent, mentosternal distance of 11 cm and mento-thyroid distance of 6 cm, therefore receiving a score of 5 on the Wilson scale. The patient signed an informed consent after being informed about the procedure. After monitoring and oxygenation, continuous infusion of dexmedetomidine was initiated. Superior and inferior laryngeal nerve block was performed with 2.0% lidocaine without vasoconstrictor and the hypopharinx was anesthetized with a lidocaine spray. Before NTI, ondansetron, midazolam, fentanyl, and droperidol were administered and the patient remained awake and cooperative. Nasal insertion of the tracheal tube was oriented by its opacification and respiratory sounds and the placement was confirmed by pulmonary auscultation and capnography. Continuous infusion of propofol and remifentanil was instituted, vecuronium was administered and controlled ventilation was initiated. The surgery lasted 60 minutes without intercurrences. At the end, the patient was breathing spontaneously, so she was extubated and transferred to the recovery room from where she was discharged without any complaints. CONCLUSION: Nasotracheal intubation is an alternative to fiberoptic endoscopy when safety and control of the airways is uncertain. Informing the patient about the procedure was essential. Safety was assured and respiratory depression and hemodynamic instability was not observed.
Keywords : ANESTHESIA, general; INTUBATION, nasotracheal, blind.