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タイトル: | Breathing–swallowing discoordination is associated with frequent exacerbations of COPD |
著者: | Nagami, Shinsuke Oku, Yoshitaka Yagi, Naomi Sato, Susumu https://orcid.org/0000-0002-9626-1090 (unconfirmed) Uozumi, Ryuji https://orcid.org/0000-0002-9546-9869 (unconfirmed) Morita, Satoshi Yamagata, Yoshie Kayashita, Jun Tanimura, Kazuya Sato, Atsuyasu Takahashi, Ryosuke https://orcid.org/0000-0002-1407-9640 (unconfirmed) Muro, Shigeo |
著者名の別形: | 永見, 慎輔 八木, 直美 佐藤, 晋 魚住, 龍史 森田, 智視 谷村, 和哉 佐藤, 篤靖 髙橋, 良輔 室, 繁郎 |
発行日: | 1-Jun-2017 |
出版者: | BMJ Publishing Group |
誌名: | BMJ Open Respiratory Research |
巻: | 4 |
号: | 1 |
論文番号: | e000202 |
抄録: | [Introduction] Impaired coordination between breathing and swallowing (breathing–swallowing discoordination) may be a significant risk factor for the exacerbation of chronic obstructive pulmonary disease (COPD). We examined breathing–swallowing discoordination in patients with COPD using a noninvasive and quantitative technique and determined its association with COPD exacerbation. [Methods] We recruited 65 stable outpatients with COPD who were enrolled in our prospective observational cohort study and did not manifest an apparent swallowing disorder. COPD exacerbation was monitored for 1 year before and 1 year after recruitment. Swallowing during inspiration (the I-SW pattern) and swallowing immediately followed by inspiration (the SW-I pattern) were identified. [Results] The mean frequency of the I-SW and/or SW-I patterns (I-SW/SW-I rate) was 21.5%±25.5%. During the 2-year observation period, 48 exacerbation incidents (25 patients) were identified. The I-SW/SW-I rate was significantly associated with the frequency of exacerbation. During the year following recruitment, patients with a higher I-SW/SW-I frequency using thicker test foods exhibited a significantly higher probability of future exacerbations (p=0.002, log-rank test). [Conclusions] Breathing–swallowing discoordination is strongly associated with frequent exacerbations of COPD. Strategies that identify and improve breathing– swallowing coordination may be a new therapeutic treatment for patients with COPD. |
著作権等: | © Article author(s). This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. |
URI: | http://hdl.handle.net/2433/227707 |
DOI(出版社版): | 10.1136/bmjresp-2017-000202 |
PubMed ID: | 28883930 |
出現コレクション: | 学術雑誌掲載論文等 |
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