Safety parameters of ferromagnetic device during thyroid surgery: Porcine model using continuous neuromonitoring
- Authors
- Huang, Tzu-Yen; Lin, Yi-Chu; Tseng, Hsin-Yi; Dionigi, Gianlorenzo; Kim, Hoon Yub; Chai, Young Jun; Lu, I-Cheng; Chang, Pi-Ying; Chiang, Feng-Yu; Wu, Che-Wei
- Issue Date
- 10월-2020
- Publisher
- WILEY
- Keywords
- continuous intraoperative neuromonitoring; ferromagnetic device; nerve thermal injury; recurrent laryngeal nerve; thyroid surgery
- Citation
- HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK, v.42, no.10, pp.2931 - 2940
- Indexed
- SCIE
SCOPUS
- Journal Title
- HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK
- Volume
- 42
- Number
- 10
- Start Page
- 2931
- End Page
- 2940
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/53020
- DOI
- 10.1002/hed.26334
- ISSN
- 1043-3074
- Abstract
- Background The ferromagnetic (FM) device is a new surgical energy modality. This study investigated dynamic recurrent laryngeal nerve (RLN) electromyographic (EMG) data to define safety parameters for using FM devices in thyroidectomy. Methods Real-time EMG tracings obtained under continuous neuromonitoring were recorded from 24 RLNs (12 piglets). In the activation study, FM devices were activated at varying distances from the RLN. In the cooling study, FM devices were cooled for varying time intervals, or muscle touch maneuver was performed, before contact with the RLN. Results During the FMwand/FMsealer activation, no adverse EMG events occurred at distances of 2 mm or longer. The cooling study revealed no adverse EMG events after 1-second (FMwand) or 3-second (FMsealer) intervals or after muscle touch maneuver. Conclusions An FM device should be activated at a distance of 2 mm from the RLN and should be adequately cooled before further contact with the RLN. Surgeons can avoid RLN injury by observing standard procedures for using FM devices.
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