Real-time detection of the recurrent laryngeal nerve in thoracoscopic esophagectomy using artificial intelligence

Background Artificial intelligence (AI) has been largely investigated in the field of surgery, particularly in quality assurance. However, AI-guided navigation during surgery has not yet been put into practice because a sufficient level of performance has not been reached. We aimed to develop deep l...

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Veröffentlicht in:Surgical endoscopy 2022-07, Vol.36 (7), p.5531-5539
Hauptverfasser: Sato, Kazuma, Fujita, Takeo, Matsuzaki, Hiroki, Takeshita, Nobuyoshi, Fujiwara, Hisashi, Mitsunaga, Shuichi, Kojima, Takashi, Mori, Kensaku, Daiko, Hiroyuki
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Sprache:eng
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Zusammenfassung:Background Artificial intelligence (AI) has been largely investigated in the field of surgery, particularly in quality assurance. However, AI-guided navigation during surgery has not yet been put into practice because a sufficient level of performance has not been reached. We aimed to develop deep learning-based AI image processing software to identify the location of the recurrent laryngeal nerve during thoracoscopic esophagectomy and determine whether the incidence of recurrent laryngeal nerve paralysis is reduced using this software. Methods More than 3000 images extracted from 20 thoracoscopic esophagectomy videos and 40 images extracted from 8 thoracoscopic esophagectomy videos were annotated for identification of the recurrent laryngeal nerve. The Dice coefficient was used to assess the detection performance of the model and that of surgeons (specialized esophageal surgeons and certified general gastrointestinal surgeons). The performance was compared using a test set. Results The average Dice coefficient of the AI model was 0.58. This was not significantly different from the Dice coefficient of the group of specialized esophageal surgeons ( P  = 0.26); however, it was significantly higher than that of the group of certified general gastrointestinal surgeons ( P  = 0.019). Conclusions Our software’s performance in identification of the recurrent laryngeal nerve was superior to that of general surgeons and almost reached that of specialized surgeons. Our software provides real-time identification and will be useful for thoracoscopic esophagectomy after further developments.
ISSN:0930-2794
1432-2218
DOI:10.1007/s00464-022-09268-w