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Updated: Jul 5, 2025

Topical Airway Anesthesia for Awake-endoscopic Intubation Using the Spray-as-you-go Technique with High Oxygen Flow
Published on: January 13, 2017
Intraoperative high flow oxygen therapy for tubeless anaesthesia in thoracoscopic surgery
R Mato-Bua1, D Lopez-Lopez1, A Garcia-Perez2
1Departamento de Anestesiología, Reanimación y Tratamiento del Dolor, Complexo Hospitalario Universitario de A Coruña, A Coruña, Galicia, Spain.
Abstract:
Tubeless anaesthesia has become widespread in videothoracoscopic surgery, even in major procedures such as lobectomies. There are several advantages in avoiding general anaesthesia and one-lung mechanical ventilation, such as faster recovery and shorter hospital stays. However, hypoxaemia and hypercapnia are the most reported causes of conversion to general anaesthesia. High Flow Oxygen Therapy (HFOT) generates flow-dependent positive end-expiratory pressure, improves oxygenation and also carbon dioxide washout by flow-dependent dead space flushing. For this reason, intraoperative HFOT may reduce the rate of conversion to general anaesthesia. We report our experience with intraoperative HFOT in a 71-year-old female with lung adenocarcinoma undergoing VATS upper left lobectomy.
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