Videolaryngoscopy during Conscious Sedation in Patients Not Suitable for Phonosurgery by Microlaryngoscopy: A Pilot Study

Background: Microlaryngoscopy is the preferred and most widely used technique in phonosurgery for the treatment of benign and early malignant glottic lesions. However, the procedure may be technically difficult or impossible due to alterations of the cervical spine that may not allow hyperextension of the head or may present general anesthesia contraindications. The aim of this study is to evaluate the efficacy and safety of our surgical approach for lesions of the vocal folds in patients who are not suitable for phonosurgery by microlaryngoscopy. This approach applies videolaryngoscopy during conscious sedation, which combines local anesthesia with moderate analgosedation by using midazolam and fentanyl with premedication. Methods: A total of 235 patients affected by benign diseases or suspicious cancerous lesions of the vocal folds were retrospectively evaluated. Results: The method has shown a success rate of 95.5, 89, 52.3, and 86.7% in cases of polyps of the vocal folds, Reinke's edema, cysts of the vocal folds, and suspicious lesions of the larynx, respectively. Only 3 patients (1.27%) have been reported to experience adverse events. Conclusion: The results suggest that the method is an effective and safe procedure without relevant local and/or general complications.
ORL 2017;79:185-190

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