What is meant by traction bronchiectasis?
What is meant by traction bronchiectasis?
Traction bronchiectasis is distortion of the airways secondary to mechanical traction on the bronchi from fibrosis of the surrounding lung parenchyma. Although the airways may become dilated in this situation, the other manifestations of bronchiectasis are lacking.
Is traction bronchiectasis the same as bronchiectasis?
By definition, traction bronchiectasis results from fibrotic tissue “pulling” on the bronchi, while freestanding bronchiectasis is unrelated to fibrosis. Traction bronchiectasis is often seen at the periphery of the lung where there is less supportive connective tissue, leaving the bronchi prone to distortion.
How does bronchial obstruction cause bronchiectasis?
The mechanism of this form of bronchiectasis appears to arise from lymph node obstruction. The acute infection causes enlargement of peribronchial nodes which obstruct the bronchus and result in secondary bronchiectasis.
How does bronchiectasis affect the respiratory system?
Bronchiectasis is a condition where the bronchial tubes of your lungs are permanently damaged, widened, and thickened. These damaged air passages allow bacteria and mucus to build up and pool in your lungs. This results in frequent infections and blockages of the airways.
Can traction bronchiectasis be cured?
There’s no cure for bronchiectasis, but it’s manageable. With treatment, you can typically live a normal life. However, flare-ups must be treated quickly to maintain oxygen flow to the rest of your body and prevent further lung damage.
Is bronchiectasis a death sentence?
Previous studies have reported on the death rates of patients with bronchiectasis, but those had a wide range (10–42% at 4–5 years and 22–30% at 34–35 years) [9, 11,12,13,14].
What is Traction bronchiectasis?
This is known as traction bronchiectasis. There is dilation of bronchi and bronchioles due to elastic tissue and smooth muscle destruction. Chest x-rays are usually abnormal but are inadequate in the diagnosis or quantification of bronchiectasis.
How is varicoid bronchiectasis characterized in interstitial fibrosis?
Varicoid bronchiectasis is characterized by irregular bronchial contours with alternating segments of bronchial dilatation and relative bronchial narrowing; this form is common in disorders in which interstitial fibrosis causes bronchial traction, distorting the bronchial contours.
Which imaging modality is used to diagnose bronchiectasis?
Abstract. Thin-section computed tomography is the most sensitive imaging modality for the detection of bronchiectasis; findings include bronchial diameter exceeding that of the adjacent pulmonary artery and lack of normal tapering of terminal bronchioles as they course toward the lung periphery.
What is the prevalence of bronchiectasis?
According to one study, the relative prevalence of bronchiectatic changes were 14: Additionally, bronchiectasis can result from the traction of fibrotic lung surrounding an airway. This is known as traction bronchiectasis. There is dilation of bronchi and bronchioles due to elastic tissue and smooth muscle destruction.
