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Curr Infect Dis Rep. 2013 Apr;15(2):148-57. doi: 10.1007/s11908-013-0321-9.

Could vitamin d have a potential anti-inflammatory and anti-infective role in bronchiectasis?

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Department of Surgery, University of Auckland, 10 Owens Road, Auckland, 1023, New Zealand,


Bronchiectasis is a chronic infective and inflammatory respiratory disease that causes significant morbidity and mortality. Patients with non-cystic-fibrosis bronchiectasis are frequently vitamin D deficient, and vitamin D levels correlate with disease severity. Infection-specific actions of vitamin D include the enhancement of innate immunity and the moderation of inflammation caused by the adaptive immune response. Potentially, vitamin D could influence the processes that lead to bronchiectasis and the frequency and severity of acute exacerbations. Randomized trials of vitamin D supplementation have shown effects that are likely to be protective against the development of bronchiectasis. Several issues need to be clarified before the development of clinical trials to investigate the role of vitamin D in bronchiectasis. These include an optimal vitamin D supplementation dose and appropriate and sensitive outcome measures that include assessment of exacerbation frequency and severity, lung function, and health-related quality of life.


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