A prospective evaluation of postoperative swallowing function and dysphagia following endoscopic laryngopharyngeal surgery

Keisuke Mizuno, Yo Kishimoto, Yoshitaka Kawai, Shintaro Fujimura, Ken Iwanaga, Kayoko Mizuno, Takahiro Shimizu, Akira Yokoyama, Mitsuhiro Nikaido, Kenshiro Hirohashi, Manabu Muto, Hiroshi Seno, Ichiro Tateya, Koichi Omori

研究成果: ジャーナルへの寄稿学術論文査読

1 被引用数 (Scopus)


Background: Endoscopic laryngopharyngeal surgery (ELPS) is a minimally invasive transoral surgery for superficial pharyngeal and laryngeal cancer, but dysphagia occasionally occurs post-treatment. We investigated dysphagia following ELPS and its risk factors. Methods: Of the 145 patients who underwent ELPS, 92 were evaluated in this study using the Hyodo score, Functional Outcome Swallowing Scale, Eating Assessment Tool-10 along with the total scores for the three items of the method of intake, time, and food preoperatively and on postoperative 1, 3, and 6 months. We examined the 6-month trends of these values. Furthermore, the fasting period post-surgery, the need for swallowing rehabilitation by a speech therapist, and postoperative pneumonia episodes were set as outcomes reflecting the short-term swallowing function. We determined the associations between these outcomes and patient background factors. Results: Postoperatively, the Hyodo score worsened at 1 month but recovered at 3 months. The Hyodo scores of all patients who underwent postcricoid ELPS did not worsen. The diameter of the resected specimen (DRS) was significantly associated with the need for swallowing rehabilitation and postoperative fasting time. A DRS ≥ 35 mm was considered the threshold for the need of swallowing rehabilitation, postoperative pneumonia, and prolonged postoperative fasting time. Conclusion: ELPS exerts a temporal and limited impact on the swallowing function, which recovers within 3 months in every swallowing evaluation. This necessitates additional care during the treatment of patients with mucosal defects ≥ 35 mm, owing to the significant association between the DRS and short-term swallowing function.

ジャーナルInternational Journal of Clinical Oncology
出版ステータス出版済み - 04-2023

All Science Journal Classification (ASJC) codes

  • 外科
  • 血液学
  • 腫瘍学


「A prospective evaluation of postoperative swallowing function and dysphagia following endoscopic laryngopharyngeal surgery」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。