Abstract:
AIM:As the Japanese population ages, the number of older patients with chronic obstructive pulmonary disease (COPD) is expected to increase, but the prevalence of COPD in patients aged ≥80 years remains unclear. The purpose of the present study was to determine the prevalence of COPD in independent community-dwelling older adults aged ≥80 years. METHODS:We investigated the prevalence of COPD in 2862 independent community-dwelling older adults (1504 men, 1358 women, mean age 77.7 ± 7.0 years) who underwent spirometry in the Fujiwara-kyo study, a study of successful aging in older adults. Those participants with airflow limitation (forced expiratory volume in 1 s/forced vital capacity <0.7) who indicated on a self-administered questionnaire that they had a history of smoking and did not have bronchial asthma were considered to have COPD. RESULTS:The prevalence of COPD was 16.9% among all participants and 37.4% among smokers. The prevalence among individuals aged ≥80 years (19.7%) was significantly higher than that among those aged <80 years (16.0%; P < 0.05). When forced expiratory volume in 1 s/forced vital capacity lower limit of normal was used as the criterion for airflow limitation, the prevalence fell to 11.0%. Patients with mild-to-moderate airflow limitation (stage I/stage II) accounted for the great majority (91.2%) of COPD patients aged ≥80 years. CONCLUSIONS:A high prevalence of mild-to-moderate COPD was observed even in the independent community-dwelling older adults aged ≥80 years. However, the benefits of the spirometric screening and treatment for these patients needs to be determined. Geriatr Gerontol Int 2017; 17: 2421-2426.
journal_name
Geriatr Gerontol Intjournal_title
Geriatrics & gerontology internationalauthors
Yoshikawa M,Yamamoto Y,Tomoda K,Fujita Y,Yamauchi M,Osa T,Uyama H,Okamoto N,Kurumatani N,Kimura Hdoi
10.1111/ggi.13091subject
Has Abstractpub_date
2017-12-01 00:00:00pages
2421-2426issue
12eissn
1444-1586issn
1447-0594journal_volume
17pub_type
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