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[Laryngoscopy].

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History, 20th Century↗

[Supraglottic jet ventilation during direct laryngoscopy].

During 1983-1987 at the ENT Clinic, Faculty of General Medicine, Charles University, Prague 779 direct laryngoscopic examinations made where the technique of supraglottic ventilation was used. The method was introduced for the sake of greater safety during laser surgery of the larynx in the first 57 patients analysis of the blood gases in capillary blood was performed and the results were satisfactory. The technique which is described in detail is considered equally reliable and safe as ventilation by classical intubation. It provides, however, a better overall orientation of the larynx, better use of the laser technique, it saves operation time and intubation material.

High-Frequency Jet Ventilation↗

[The microlaryngeal tube--a new tube for direct laryngoscopy in the ENT field].

We describe our experience with a new orotracheal tube with low-pressure cuff for anesthesia during endoscopic laryngeal surgery. Twelve consecutive patients (ASA groups II and III) undergoing microlaryngoscopy for diagnostic or operative reasons were intubated orotracheally with the tube. No complications associated with intubation or anesthesia occurred. In comparison with normal armored tubes (i.e. Woodbridge tubes), the microlaryngeal tube gives the surgeon better operating conditions and still permits conventional intermittent positive pressure ventilation without excessive increases in ventilation pressure. The advantages from the low-pressure cuff could only be seen in 7 patients. With this foregoing restriction, we recommend the use of the new microlaryngeal tube for anesthesia during microlaryngoscopy.

Female↗