PMC8723885_01
(a) Chest radiograph showing the stenosis in the upper third of the trachea; (b) sagittal section of the trachea showing the length of the stenotic segment; (c) axial cut of the narrowest segment of the trachea.
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A computerized tomography (CT) scan of her neck showed short segmental narrowing of her trachea with the narrowest segment measuring 3 mm (Figure 1).
(a) Bronchoscopic view of the tracheal stenosis; (b) balloon dilation before initial endotracheal tube placement.
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The stenotic area was identified 3-4 rings from the cricoid cartilage (Figure 2(a)) and then dilated with a balloon (Figure 2(b)).
Subtracheal stenosis endotracheal ventilation.
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The NIM tube was withdrawn transorally into the subglottic area, and the distal trachea was intubated across the surgical field with a 6 mm internal diameter armored ETT (Figure 3), which is more pliable than a regular ETT.