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Intubation Technique in a Patient with Tracheobronchopathia Osteochondroplastica

Ryoko Takamori, Kazuhiro Shirozu, Ryosuke Hamachi, Kiyokazu Abe, Shoko Nakayama, Ken Yamaura

(Department of Anesthesiology and Critical Care Medicine, Kyushu University Hospital, Fukuoka City, Fukuoka, Japan)

Am J Case Rep 2021; 22:e928743

DOI: 10.12659/AJCR.928743


BACKGROUND: Tracheobronchopathia osteochondroplastica (TO) is a rare disorder characterized by cartilaginous or ossified submucosal nodules of unknown etiology that project into the tracheobronchial lumen. TO is often accompanied by endotracheal stenosis from cartilage proliferation and is often detected by difficult endotracheal intubation incidence.
CASE REPORT: Here we report the case of a patient (67-year-old man) with TO scheduled to undergo robot-assisted total prostatectomy for prostate cancer. The tracheal lumen was especially narrow at an area 1 cm below the glottis, with the smallest lumen diameter being 9 mm. After rapid induction, the bronchoscope passed through the stenosed region, and a 6.5-mm spiral endotracheal tube (ETT) was inserted with bronchoscopic assistance. However, because of resistance, the spiral ETT could not pass through the stenosed area. After changing to a 6.5-mm normal ETT, intubation was successfully performed with gentle rotation. Owing to the rotation, the tip entered and gained access to the gap between nodules. With use of a bronchoscope, we confirmed that the tip of the ETT was advanced 10 cm from the glottis, where the site of maximum stenosis was not covered by the tube cuff, and where the tip did not cross the bifurcation. After surgery, no bleeding or edema was found on bronchoscopy.
CONCLUSIONS: In patients with TO, it is important to assess the airway condition and prepare for difficult intubation. In this case, tracheal intubation was performed with rotation using a bronchoscope and normal ETT.

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