Table 2.

Microorganisms isolated from patients with bronchiectasis.

Cystic fibrosis	Chronic aspiration (11)	Postinfectious bronchiectasis (15)	Immotile cilia (20)	Lung abscess (21)
Pseudomonas aeruginosa	Alpha hemolytic streptococcus	Haemophilus influenzae non-type b	H. influenzae non-type b	Oral flora
Staphylococcus aureus (including MRSA)	Staphylococcus aureus	Streptococcus pneumoniae	Staphylococcus aureus	Staphylococcus aureus
Stenotrophomonas maltophilia	Streptococcus pneumonia	Moraxella catarrhalis	Streptococcus pneumoniae	P. aeruginosa
Burkholderia cepacia complex	Peptococcus	Staphylococcus aureus	M. catarrhalis	Proteus mirabilis
H. influenzae non-type b	Peptostreptococcus	P. aeruginosa (adults)		Aspergillus species
Achromobacter	Fusobacterium			Anaerobic organisms
Non-tuberculous mycobacteria	Bacteroides melaninogenicus
	Veillonella
	P. aeruginosa