broncheactsis Flashcards
what iis bronchiectasis associated with ?
chronic sputum production
recurrent chest infections
airflow limitations
what is the etiology of bronchiectasis ?
I CRAM
Immune oveer response - allergic aspergillosis
immune under response - HIV
congenital - primary ciliary dyskinesia, CF, bronchomalacia
childhood infection
respiratory disease
aspiration pneumonia
mechanical obstruction
what are the three patterns associated with bronchiectasis ?
varicose
cylindrical
cystic
what are the three theories associated with the pathogenesis of bronchiectasis ?
atelectasis - dilatation of bronchi proximal to obstruction
pressure of secretion
traction/fibrosis
what is the most common colonized bacteria associated with bronchiectasis ?
h.influenza
what organism is associated with rapidly progressive and severe bronchiectasis ?
pseudomonas aeruginosa
what are the symptoms of bronchiectasis ?
persistent and productive cough
voluminous and purulent sputum
recurrent acute lower resp tract infection
hemoptysis
asthma exacerbation in ABPA
what are the findings seen on chest x ray that are associated with bronchiectasis ?
ring shadow
tramline shadow
what is the gold standard diagnostic test for bronchiectasis ?
HRCT
what type of pattern is seen on spirometry with bronchiectasis ?
obstructive pattern
what is the treatment for first time isolation of P.aeruginosa ?
ciprofloxacin for 2 weeks
inhaled colistin for 3 months
what is the treatment for non ps.aeruginosa ?
long term macrolide for at least 3 months
