What are the most common bacterial agents found in the sputum of patients with cystic fibrosis (CF)?

Updated: Oct 30, 2018
  • Author: Girish D Sharma, MD, FCCP, FAAP; Chief Editor: Kenan Haver, MD  more...
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Answer

The most common bacterial pathogens in the sputum of patients with cystic fibrosis are as follows:

  • Haemophilus influenzae

  • Staphylococcus aureus

  • Pseudomonas aeruginosa

  • Burkholderia cepacia

  • Escherichia coli

  • Klebsiella pneumoniae

Findings of P aeruginosa, especially the mucoid form, support the diagnosis of cystic fibrosis in children.


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