! ORL via Alexandros G.Sfakianakis on Inoreader: Development and Validation of a High-Fidelity Porcine Laryngeal Surgical Simulator

! ORL via Alexandros G.Sfakianakis on Inoreader

Development and Validation of a High-Fidelity Porcine Laryngeal Surgical Simulator Sep 2nd 2015, 00:32, by Dedmon, M. M., Paddle, P. M., Phillips, J., Kobayashi, L., Franco, R. A., Song, P. C. Objective Design and validate a laryngeal surgical simulator to teach phonomicrosurgical techniques. Study Design Device development and prospective validation. Setting Tertiary medical center. Subjects and Methods A novel laryngeal fixation device and custom laryngoscope were produced for use with ex vivo porcine larynx specimens. Vocal fold lesions such as nodules and keratotic lesions were simulated with silicone injections and epithelial markings. A prospective validation using postsimulation surveys, global rating scales, and procedure-specific checklists was performed with a group of 15 medical students, otolaryngology residents, fellows, and attending laryngologists. Three procedures were performed: vocal fold augmentation, excision of a simulated vocal fold nodule, and excision of a simulated vocal fold keratosis. Results Participants overwhelmingly agreed that the simulator provided a realistic dissection experience that taught skills that would transfer to real operating scenarios. Expert performance was statistically superior to novice performance for excision of simulated vocal fold nodules and keratotic lesions, while no difference was observed for injection laryngoplasty. Conclusion The ability to learn and rehearse surgical procedures in a safe environment is invaluable, particularly for delicate and highly technical phonomicrosurgical operations. We have developed a high-fidelity laryngeal surgical simulator complete with pathological lesions such as nodules and keratoses to teach these procedures. A prospective study demonstrated validity of our global rating scale and checklist assessments for vocal fold nodule and keratosis excision procedures, allowing them to be confidently incorporated into phonomicrosurgical training programs for surgeons of all levels of expertise.

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