• J Chin Med Assoc · May 2023

    An Early Report of Exoscope-assisted Otologic Surgery.

    • Bang-Yan Zhang, HoValerie Wai-YeeVWDivision of Head and Neck, Plastic and Reconstructive Surgery, Department of Surgery, Queen Mary Hospital, Hong Kong, China., Tzong-Yun Tsai, and Kai-Chieh Chan.
    • Department of Otolaryngology-Head and Neck Surgery, New Taipei Municipal Tucheng Hospital (Built and Operated by Chang Gung Medical Foundation), New Taipei City, Taiwan, ROC.
    • J Chin Med Assoc. 2023 May 1; 86 (5): 523528523-528.

    BackgroundExoscope has been used in otoneurologic surgery in several reports. However, most ear surgeries are performed using either microscope or endoscopy today. The purpose of this study is to present our subjective and objective experience of using this instrument in our institution.MethodsSixteen ears with different severity and condition in 15 consecutive patients were enrolled. A questionnaire with 12 questions was sent to different participants, including surgeons, residents, medical students, and scrub nurses in the operation room. The total score and average score of each item were calculated and analyzed.ResultsExclusive exoscopic operation was performed on 13 patients with 14 procedures. A combination of endoscopy-exoscope and microscope-exoscope was used in one patient, respectively. There were no complications. Hearing recovery or disease extirpation was achieved in most patients. Twenty participants in the operation room filled out the questionnaire. There was no significant difference between the different groups. High ratings were reported in terms of image quality, stereoscopic effects, magnification rate, and the same field of view as the surgeon. Worse ratings were reported in items related to limited working space, increase in eye strain by video observation, and focusing difficulty.ConclusionExoscopic ear surgery is feasible, safe, and effective in managing various otologic conditions involving external ear, middle ear, mastoid, and lateral skull base. Its high-definition image quality, stereoscopic effects, sufficient magnification, reliability and teaching value made it a potential instrument in general ear surgeries. Further improvements to current drawbacks can be anticipated.Copyright © 2023, the Chinese Medical Association.

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