[1] Chronic obstructive pulmonary disease (COPD) is a progressive, inflammatory lung disease with few available disease-modifying therapies.
[2] Acute exacerbations of COPD (AECOPD) increase morbidity and mortality, and their occurrence coincides with sputum and oral microbiota dysbiosis.
[3] The oral microbiota also serves as the source of the lower airway microbiota. Chlorhexidine oral rinses are known to alter the oral microbiota.
[4] A randomized, double-blind, placebo-controlled, 8-week study of the effects of twice-daily chlorhexidine oral rinses on 44 subjects with COPD.
[5] Among those with COPD, use of twice-daily chlorhexidine oral rinses resulted in decreased oral and sputum microbiota alpha diversity and clinically significant improvement in COPD symptoms.
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