期刊
CURRENT OPINION IN PULMONARY MEDICINE
卷 20, 期 2, 页码 159-164出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MCP.0000000000000023
关键词
acute exacerbations; chronic obstructive pulmonary disease; nontypeable Haemophilus influenzae; oral immunotherapy
Purpose of reviewBacteria are frequently implicated in acute exacerbations of chronic obstructive pulmonary disease (COPD), but their influence on airway inflammation remains unclear. This review will focus on nontypeable Haemophilus influenzae (NTHi), its impact on host immune responses, and the potential for vaccination strategies in COPD.Recent findingsNTHi is associated with impaired immune function in patients with COPD. Features of the bacterium itself potentiate its ability to colonize the lower airways. An imbalance between bacterial load and host immunity may lend itself to the development of exacerbations. Oral immunotherapy may be a method of augmenting the host immune response and could provide protection from exacerbations.SummaryA causal link between NTHi and COPD exacerbations has not been clearly established. However, colonization of the lower airways by NTHi likely plays a significant role in the inflammatory state of COPD.
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