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Respiration. 2015;90(4):299-305. doi: 10.1159/000438490. Epub 2015 Sep 5.

Eradication Therapy against Pseudomonas aeruginosa in Non-Cystic Fibrosis Bronchiectasis.

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Servei de Pneumologia, Hospital Universitari de Girona Dr. Josep Trueta, IDIDGI, Girona, Spain.



No prospective study has assessed eradication treatment of early Pseudomonas aeruginosa colonisation in bronchiectasis not due to cystic fibrosis (CF).


To evaluate the efficacy of 3 months of nebulised tobramycin after a short course of intravenous antibiotics in the eradication of P. aeruginosa and its clinical consequences in non- CF bronchiectasis following initial P. aeruginosa infection.


A 15-month, single-masked, randomised study including 35 patients was conducted in a tertiary university hospital. Following the isolation of P. aeruginosa and a 14-day intravenous treatment with ceftazidime and tobramycin, patients received 300 mg nebulised tobramycin twice daily or placebo during 3 months, and were followed up for 12 months thereafter.


The median time to recurrence of P. aeruginosa infection was higher in the tobramycin than in the placebo group (p = 0.048, log-rank test). At the end of the study 54.5% of the patients were free of P. aeruginosa in the tobramycin group and 29.4% in the placebo group. The numbers of exacerbations (p = 0.044), hospital admissions (p = 0.037) and days of hospitalisation (p = 0.034) were lower in the tobramycin than in the placebo group. A global, non-significant trend to improvement in the tobramycin group was observed in most of the other studied parameters on comparing the two groups. Bronchospasm in the tobramycin group was remarkable.


Our study shows that 3 months of nebulised tobramycin following a short course of intravenous antibiotics may prevent bronchial infection with P. aeruginosa and has a favourable clinical impact on non-CF bronchiectasis.

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