Tracheal Stenosis

Question 1

What are the three types of tracheal resections?

Answer 1

Segmental, laryngotracheal, carinal

Question 2

What are the four factors considered when evaluating tracheal stenosis?

Answer 2

Etiology, location and length, evolving or mature, single or multiple segments

Question 3

T/F: Idiopathic subglottic stenosis is more common in women

Answer 3

TRUE

Question 4

What is the most common benign cause of tracheal stenosis?

Answer 4

Endotracheal intubation or tracheostomy

Question 5

How long after extubation do postintubation strictures become symptomatic?

Answer 5

6-8 weeks

Question 6

Stomal stenosis – resulting from tracheostomy – is caused by what anatomic change?

Answer 6

Loss of anterior tracheal wall support due to excessive traction during trach

Question 7

T/F: Muscle relaxants should be avoided with tracheal stenosis until airway is secured

Answer 7

TRUE

Question 8

What is the duration that a single airway dilation usually lasts?

Answer 8

7-10 days

Question 9

How much trachea can be resected and still perform a primary end-to-end anastomosis?

Answer 9

6 cm (up to half trachea)

Question 10

Which tracheal lesions can be approached through a cervical incision?

Answer 10

Malignant lesions of upper and middle third of trachea, benign lesions down to within 3 rings of the carina