Skeletal muscle structure and function in response to electrical stimulation in moderately impaired COPD patients

被引:64
作者
Dal Corso, Simone
Napolis, Lara
Malaguti, Carla
Gimenes, Ana Cristina
Albuquerque, Andre
Nogueira, Cristiano Rabelo
De Fuccio, Marcelo Bicalho
Pereira, Roberto D. B.
Bulle, Acari
McFarlane, Niall
Nery, Luiz E.
Neder, J. Alberto [1 ]
机构
[1] Univ Fed Sao Paulo, UNIFESP, Pulm Funct & Clin Exercise Physiol Unit, SEFIC,Div Resp Dis,Dept Med, Sao Paulo, Brazil
[2] Univ Fed Sao Paulo, UNIFESP, Neuromusc Div, Sao Paulo, Brazil
[3] Univ Glasgow, Inst Biomed & Life Sci, Glasgow, Lanark, Scotland
关键词
chronic obstructive pulmonary disease; electrical stimulation; skeletal muscle; rehabilitation; strength;
D O I
10.1016/j.rmed.2006.10.023
中图分类号
R5 [内科学];
学科分类号
1002 [临床医学]; 100201 [内科学];
摘要
Study objective: To determine the structural and functional consequences of high-frequency neuromuscular electrical stimulation (hf-NMES) in a group of moderately impaired outpatients with chronic obstructive pulmonary disease (COPD). Design: A prospective, cross-over randomized trial. Setting: An university-based, tertiary center. Patients and materials: Seventeen patients (FEV1 = 49.6 +/- 13.4% predicted, Medical Research Council dyspnoea grades II-III) underwent 6-weeks hf-NMES (50 Hz) and sham stimulation of the quadriceps femoris in a randomized, cross-over design. Knee strength was measured by isokinetic dynamometry (peak torque) and leg muscle mass (LMM) by DEXA; in addition, median cross-sectional area (CSA) of type I and fibres and capillary-fibre ratio were evaluated in the vastus lateralis. The 6-min walking distance (6MWD) was also determined.
引用
收藏
页码:1236 / 1243
页数:8
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