Successful Assessment of Vocal Cord Palsy Before Tracheal Extubation by Laryngeal Ultrasonography in a Patient After Esophageal Surgery: A Case Report

Laryngeal ultrasonography has mainly been performed after tracheal extubation. However, improvements in ultrasound technology now allow assessment of vocal cord function even under conditions of endotracheal intubation. We report herein the use of laryngeal ultrasonography in an endotracheally intub