Application of Montgomery T-Tube Placement in Treating Cotton-Myer IV Subglottic Airway Atresia after Bi-Level Airway Recanalization

Table 2

Sizes of T-tubes and operation processes.

Sizes of T-tubes and operation processes	(%)
T-tube diameter	12 mm: 1 (9.1)
	13 mm: 5 (45.5)
	14 mm: 5 (45.5)
Mechanical expansion with rigid bronchoscope	11 (100)
Granulation tissue excision	10 (90.9)
Retrogradely tracheal blunt dissection	11 (100)