Annals of Thoracic Medicine Official publication of the Saudi Thoracic Society, affiliated to King Saud University
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Year : 2016  |  Volume : 11  |  Issue : 1  |  Page : 55-59

Bacterial colonization and associated factors in patients with bronchiectasis

1 Department of Pulmonary Diseases, Cerrahpasa Medical Faculty, Istanbul University, Istanbul, Turkey
2 Department of Microbiology, Cerrahpasa Medical Faculty, Istanbul University, Istanbul, Turkey

Correspondence Address:
Sermin Borekci
Department of Pulmonary Diseases, Cerrahpasa Medical Faculty, Istanbul University, Istanbul
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1817-1737.172297

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Objectives: To evaluate the bacterial colonization and associated risk factors in patients with bronchiectasis. Methods: A total of 121 patients followed at the Bronchiectasis Unit, between 1996 and 2013 and diagnosed as having noncystic fibrosis bronchiectasis with high resolution computed tomography or multi-slice computed tomography were included in this retrospective study. The following definition of colonization was used for study purposes: Detection of at least two isolates of an organism separated by at least 3 months in a year. Results: Of these 121 patients, 65 (54%) were female and 56 (46%) were male. Mean age was 50.6 ± 16.1 years. Mean duration of illness was 20.3 ± 15.5 years. 43 (35.5%) cases had colonization. The major pathogens responsible for colonization were Pseudomonas aeruginosa (n = 25; 20.6%) and Haemophilus influenzae (n = 14, 11.5%). The stepwise logistic regression analysis showed a significant association between colonization and a low percentage of forced vital capacity (FVC%) and the presence of cystic bronchiectasis (P < 0.05). Conclusion: The following factors have been found to be associated with colonization in patients with bronchiectasis: Low FVC% and the presence of cystic bronchiectasis.

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