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Editorial| Volume 22, ISSUE 1, P7-8, January 2023

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In the Clear: Long-term pulmonary function benefits associated with Pseudomonas aeruginosa eradication

      Despite significant improvements in life expectancy for individuals with cystic fibrosis (CF) over the last two decades, CF continues to be a life-shortening disorder characterized by progressive, obstructive lung disease associated with chronic airway infection, inflammation, and parenchymal damage. Abnormal ion transport in the CF airways and altered antimicrobial airway defenses result in persistent infections with pathogens such as Pseudomonas aeruginosa. Although the progression of CF lung disease is impacted by many factors, P. aeruginosa infection is clearly associated with irreversible parenchymal damage and a sharper decline in lung function. Earlier age at first infection with P. aeruginosa has been associated with a 2.6 times higher risk of death [
      • Emerson J
      • Rosenfeld M
      • McNamara S
      • Ramsey B
      • Gibson RL.
      Pseudomonas aeruginosa and other predictors of mortality and morbidity in young children with cystic fibrosis.
      ], and repeated isolation of P. aeruginosa, or colonization, continues to be a major predictor of morbidity and mortality in people with CF.
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