ISSN: 1859 - 2872
Apnoeic oxygenation with high‐flow nasal oxygen for laryngeal surgery
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Background: This study aims to evaluate the effectiveness of high‐flow nasal oxygen as the sole method of gas exchange in apneic conditions for airway management during laryngeal surgery. Subject and method: From April to August 2023, 45 patients aged 30 to 69 underwent laryngeal surgery. Patients received total anesthesia and neuromuscular blocking agents for the duration of their surgery and airway management using a high flow oxygen 70 liters/minutes under apnoeic conditions as the sole method of gas exchange. Result: The mean (SD) apnoea time was 18.36 (4.97) minutes, and the time for laryngeal surgery was 16.82 (4.69) minutes. The oxygen saturation was stable during all procedures at 99-100%. A blood gas analysis showed hypercapnia and acidosis acute respiratory. However, the parameters returned to normal at 30 minutes postoperative. The blood pressure and heart rate were stable at times. All 45 patients were safe at the end of the operation. There were no complications such as bleeding, hemothorax, pneumothorax, or barotrauma. Conclusion: Apnoeic oxygenation with high‐flow nasal oxygen for airway management during laryngeal surgery is a safe and effective method for gas exchange. The surgical field is ultimately spacious, with optimal conditions for laryngeal surgery.
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