| Determinants of cardiorespiratory fitness in patients with chronic obstructive pulmonary disease, focusing on activities parallel to daily living. | |
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MedLine Citation:
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PMID: 15363003 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: The purpose of this study was to examine whether activities parallel to daily living (APDL) constitute a determinant index of cardiorespiratory fitness in patients with chronic obstructive pulmonary disease (COPD). METHODOLOGY: Four functional physical fitness parameters were investigated in 38 male patients (mean age 69.8 +/- 6.7 years) with moderate to severe COPD. The parameters measured were muscular strength (grip strength), muscular endurance strength (arm curl, keeping a half-squat position) and regulation (walking around two cones). In addition, cardiorespiratory fitness was measured using a 6-min walking distance test (6MWD) and peak oxygen uptake (VO(2peak)) was measured during bicycle ergometer testing. Maximal inspiratory pressure (MIP) and maximal expiratory pressure were measured so as to quantify respiratory muscle strength. RESULTS: There were significant correlations (P < 0.05) between the VO(2peak), muscular endurance, pulmonary function and respiratory muscle strength. There were also significant correlations of VO(2peak) to muscular endurance, muscular strength, muscular endurance strength and regulation. In stepwise multiple regression analysis, per cent predicted forced expiratory volume in 1 s and MIP appeared to be significant determinants of VO(2peak), showing a total variance of 56% (P < 0.05). For the 6MWD, the significant determinants were forced vital capacity, MIP and performance in the half-squat test, showing a variance of 59% (P < 0.05). CONCLUSION: The results suggest that cardiorespiratory fitness is strongly affected by MIP, pulmonary function and muscular endurance strength, as APDL depend on lower-limb use. |
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Authors:
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Yoichi Nakamura; Kiyoji Tanaka; Ryosuke Shigematsu; Toshiaki Homma; Kiyohisa Sekizawa |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Respirology (Carlton, Vic.) Volume: 9 ISSN: 1323-7799 ISO Abbreviation: Respirology Publication Date: 2004 Aug |
Date Detail:
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Created Date: 2004-09-14 Completed Date: 2005-02-01 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9616368 Medline TA: Respirology Country: Australia |
Other Details:
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Languages: eng Pagination: 326-30 Citation Subset: IM |
Affiliation:
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Comprehensive Human Sciences, Institute of Clinical Medicine, University of Tsukuba, Ibaraki, Japan. nakamura@stat.taiiku.tsukuba.ac.jp |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Activities of Daily Living Aged Health Status Indicators* Humans Male Muscle, Skeletal / physiopathology Pulmonary Disease, Chronic Obstructive / physiopathology* Respiratory Function Tests Respiratory Muscles / physiopathology |
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