Electrophysiologic changes with incremental exercise in obstructive sleep apnea

被引：8

作者：

Chien, Meng-Yueh ^{[1
]}

Chang, Ya-Ju ^{[2
,3
,4
]}

Lee, Peilin ^{[5
,6
]}

Yang, Pan-Chyr ^{[5
,6
]}

Wu, Ying-Tai ^{[1
]}

机构：

[1] Natl Taiwan Univ, Sch & Grad Inst Phys Therapy, Coll Med, Taipei 10051, Taiwan

[2] Chang Gung Univ, Dept Phys Therapy, Tao Yuan, Taiwan

[3] Chang Gung Univ, Grad Inst Rehabil Sci, Tao Yuan, Taiwan

[4] Chang Gung Univ, Hlth Aging Res Ctr, Tao Yuan, Taiwan

[5] Natl Taiwan Univ Hosp, Dept Internal Med, Div Pulm Med & Crit Care, Taipei 100, Taiwan

[6] Natl Taiwan Univ Hosp, Ctr Sleep Disorder, Taipei, Taiwan

来源：

MUSCLE & NERVE | 2013年 / 48卷 / 02期

关键词：

electromyography; exercise test; inspiratory muscles; muscle activity; obstructive sleep apnea; SURFACE ELECTROMYOGRAM; MUSCLE DYSFUNCTION; SKELETAL-MUSCLE; DIAPHRAGM; EMG; FATIGUE; VALIDATION; STRENGTH;

D O I：

10.1002/mus.23745

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

Introduction: In patients with obstructive sleep apnea (OSA), intermittent apnea and hypopnea might cause different adaptations in inspiratory and peripheral muscles. In this study we aimed to determine the changes that occur in muscle activation characteristics during incremental exercise testing in patients with severe OSA. Surface electromyography of inspiratory muscles and knee extensors was performed. Methods: Eleven men with severe OSA and 11 matched controls were recruited. Changes in muscle activity were compared by determining root mean square (RMS) and median power frequency (MPF) values obtained at different exercise intensities. Results: The ratios of RMS to oxygen consumption in inspiratory muscles and vastus lateralis increased significantly at peak workload in the control group (P < 0.05), but not in the OSA group. Conclusions: Patients with severe OSA demonstrated an inability to increase motor unit recruitment of inspiratory muscles and knee extensors during incremental exercise.

引用

页码：212 / 218

页数：7

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