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Pulmonary Rehabilitation Improves Exercise Capacity and Dyspnea in Air Pollution-Related Respiratory Disease


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Title: Pulmonary Rehabilitation Improves Exercise Capacity and Dyspnea in Air Pollution-Related Respiratory Disease
Authors: Miyamoto, Naomi / Senjyu, Hideaki / Tanaka, Takako / Asai, Masaharu / Yanagita, Yorihide / Yano, Yudai / Nishinakagawa, Tsuyoshi / Kotaki, Kenji / Kitagawa, Chika / Rikitomi, Naoto / Kozu, Ryo / Honda, Sumihisa
Issue Date: 9-Jan-2014
Publisher: 東北ジャーナル刊行会 / Tohoku University Medical Press
Citation: The Tohoku Journal of Experimental Medicine, 232(1), pp.1-8; 2014
Abstract: Air pollution in Japan caused respiratory disease, such as chronic bronchitis and asthma, in many individuals in the 1960s. Although air pollution has decreased, many victims of air pollution-related respiratory disease are limited in their activities of daily living because of respiratory symptoms. The purpose of this study was to evaluate the efficacy of pulmonary rehabilitation in victims of air pollution-related chronic bronchitis or asthma. Subjects were enrolled in a 12-week (2-week inpatient followed by 10-week outpatient) pulmonary rehabilitation program. The program comprised conditioning, strength training, endurance training, and patient education. We assessed the Modifed Medical Research Council (MMRC) dyspnea grade, pulmonary function, peripheral muscle force, incremental shuttle walk distance (ISWD), and physical activity at baseline and immediately after the program. Twenty-nine subjects (mean age 74.2 ± 10.1 years, 11 males) completed the program, including 11 subjects with COPD and 18 subjects with asthma. Following rehabilitation, the participants (n = 29) showed signifcant improvements in MMRC dyspnea grade, vital capacity % predicted, quadriceps force and ISWD (all P < 0.05). Sub-group analyses revealed that all these variables were signifcantly improved in subjects with asthma. In contrast, subjects with COPD showed signifcant improvements only in quadriceps force and ISWD (both P < 0.05). Thus, pulmonary rehabilitation is an effective method of improving exercise capacity and dyspnea in officially acknowledged victims of air pollution-related asthma. In conclusion, we recommend that patients with chronic bronchitis or asthma, resulting from exposure to air pollution, are referred for pulmonary rehabilitation.
Keywords: Air pollution-related respiratory disease / Dyspnea / Exercise capacity / Physical activity / Pulmonary rehabilitation
URI: http://hdl.handle.net/10069/34178
ISSN: 00408727
DOI: 10.1620/tjem.232.1
Rights: © 2014 Tohoku University Medical Press.
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/34178

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