Conclusion
The repercussions of persistent lung collapse in cystic fibrosis
patients can be significant and it is associated with a poor
prognosis1. Sequential therapeutic bronchoscopies with
instillments of recombinant human Dnase can be effective inMycobacterium abscessus lobar collapse caused by mucus plugging
and should be considered for cystic fibrosis patients who do not respond
to the standard initial therapeutic regime for lobar collapse.