Skeletal muscle dysfunction in chronic obstructive pulmonary disease

<p>Abstract</p> <p>It has become increasingly recognized that skeletal muscle dysfunction is common in patients with chronic obstructive pulmonary disease (COPD). Muscle strength and endurance are decreased, whereas muscle fatigability is increased. There is a reduced proportion of...

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Main Authors: Bozkanat Erkan, Jeffery Mador M
Format: Article
Language:English
Published: BMC 2001-05-01
Series:Respiratory Research
Subjects:
Online Access:http://dx.doi.org/10.1186/rr60
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author Bozkanat Erkan
Jeffery Mador M
author_facet Bozkanat Erkan
Jeffery Mador M
author_sort Bozkanat Erkan
collection DOAJ
description <p>Abstract</p> <p>It has become increasingly recognized that skeletal muscle dysfunction is common in patients with chronic obstructive pulmonary disease (COPD). Muscle strength and endurance are decreased, whereas muscle fatigability is increased. There is a reduced proportion of type I fibers and an increase in type II fibers. Muscle atrophy occurs with a reduction in fiber cross-sectional area. Oxidative enzyme activity is decreased, and measurement of muscle bioenergetics during exercise reveals a reduced aerobic capacity. Deconditioning is probably very important mechanistically. Other mechanisms that may be of varying importance in individual patients include chronic hypercapnia and/or hypoxia, nutritional depletion, steroid usage, and oxidative stress. Potential therapies include exercise training, oxygen supplementation, nutritional repletion, and administration of anabolic hormones.</p>
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spelling doaj.art-dbcee14ee3df4f56a48c1edde0042b642022-12-21T21:19:49ZengBMCRespiratory Research1465-99212001-05-012421622410.1186/rr60Skeletal muscle dysfunction in chronic obstructive pulmonary diseaseBozkanat ErkanJeffery Mador M<p>Abstract</p> <p>It has become increasingly recognized that skeletal muscle dysfunction is common in patients with chronic obstructive pulmonary disease (COPD). Muscle strength and endurance are decreased, whereas muscle fatigability is increased. There is a reduced proportion of type I fibers and an increase in type II fibers. Muscle atrophy occurs with a reduction in fiber cross-sectional area. Oxidative enzyme activity is decreased, and measurement of muscle bioenergetics during exercise reveals a reduced aerobic capacity. Deconditioning is probably very important mechanistically. Other mechanisms that may be of varying importance in individual patients include chronic hypercapnia and/or hypoxia, nutritional depletion, steroid usage, and oxidative stress. Potential therapies include exercise training, oxygen supplementation, nutritional repletion, and administration of anabolic hormones.</p>http://dx.doi.org/10.1186/rr60exerciselung diseasesmusclenutrition disorderobstructiverehabilitationskeletal
spellingShingle Bozkanat Erkan
Jeffery Mador M
Skeletal muscle dysfunction in chronic obstructive pulmonary disease
Respiratory Research
exercise
lung diseases
muscle
nutrition disorder
obstructive
rehabilitation
skeletal
title Skeletal muscle dysfunction in chronic obstructive pulmonary disease
title_full Skeletal muscle dysfunction in chronic obstructive pulmonary disease
title_fullStr Skeletal muscle dysfunction in chronic obstructive pulmonary disease
title_full_unstemmed Skeletal muscle dysfunction in chronic obstructive pulmonary disease
title_short Skeletal muscle dysfunction in chronic obstructive pulmonary disease
title_sort skeletal muscle dysfunction in chronic obstructive pulmonary disease
topic exercise
lung diseases
muscle
nutrition disorder
obstructive
rehabilitation
skeletal
url http://dx.doi.org/10.1186/rr60
work_keys_str_mv AT bozkanaterkan skeletalmuscledysfunctioninchronicobstructivepulmonarydisease
AT jefferymadorm skeletalmuscledysfunctioninchronicobstructivepulmonarydisease