The ETView® tube is a standard endotracheal tube with an embedded miniature video camera that permits real-time video imaging of the tracheal lumen. We evaluated its use when performing percutaneous dilatational tracheostomy (PDT) in an ex vivo animal model. The model consisted of a pig larynyx and trachea. The ETView tube was used as an alternative to bronchoscopy, to see all manoeuvres of PDT in real time. At the end of the PDT, operative time and any complications such as trauma to the cricoid cartilage, tracheal wall or tube cuff were assessed. Nine PDT procedures were performed by two experienced operators. The mean operative time was 7.1 ± 0.9 minutes. No complications were observed. Our study supports the use of the ETView tube as a suitable alternative to bronchoscopy when performing PDT, although clinical studies are required to confirm our experimental results.
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