Venturi insufflation oxygenation during nonintubated endolaryngeal microsurgery

Area of Science:

• Otolaryngology
• Anesthesiology
• Surgical Innovation

Background:

• Microsurgical procedures in the larynx often require specialized airway management.
• Maintaining a clear surgical field is crucial for laryngeal microsurgery.
• Traditional intubation methods can obstruct the glottic space.

Purpose of the Study:

• To evaluate the safety and efficacy of intravenous anesthesia with Venturi insufflation for endolaryngeal microsurgery.
• To assess the impact of this technique on patient oxygenation and ventilation.
• To determine if this method provides a clear glottic workspace.

Main Methods:

• Review of 200 patients undergoing endolaryngeal suspension microsurgery.
• Anesthesia administered via intravenous route.
• Oxygenation provided using Venturi insufflation technique.
• Arterial blood gas analysis performed.

Main Results:

• No significant complications were reported in the 200 patients.
• The technique successfully maintained adequate oxygenation.
• Normal pH and PCO2 levels were achieved and sustained.
• The glottic space remained free of intraluminal apparatus.

Conclusions:

• Intravenous anesthesia with Venturi insufflation is a safe and effective method for endolaryngeal microsurgery.
• This technique facilitates a clear surgical field, improving procedural outcomes.
• It is a viable alternative for microsurgical laryngeal procedures.