Chronic Obstructive Pulmonary Disease Clinical Trial
Official title:
Effects of Inspiratory Muscle Training on Respiratory Electromyographic Activity in Patients With COPD Participants and Non-participants of a Pulmonary Rehabilitation Program
Intended to treat disorders of the respiratory muscles can use the device Threshold IMT ®
through an inspiratory muscle training (IMT) that allows training of the inspiratory
muscles, the chief of these being the diaphragm which is which objectified the improvement
of its function . To monitor the action of the respiratory muscles can be used several tools
such as manometer that aims to assess respiratory pressures, ie, the strength of respiratory
muscles, or the Surface Electromyography (sEMG) that allow evaluating the electromyographic
activity of muscles analyzed. From a quantitative clinical trial, randomized and blinded,
composed of 45 individuals obtained by random convenience and divided into three groups,
COPD participating in a pulmonary rehabilitation program (RP) which will make TMI (TGR -
Trained Group Rehabilitated), COPD does not participant in a PR program (TGNR - Trained
Group not Rehabilitated) and a control group composed of healthy individuals (CG) that seek
to analyze the electromyographic activity of sternocleidomastoid (SCM) and diaphragm muscle
strength, lung volumes and breathing patterns before and after a period of eight weeks of
TMI. Manual will also be held dynamometry to compare the grip strength of the CG, TGR and
TGNR only at baseline.
Hypothesis:
1. The Inspiratory Muscle Training (IMT) increases the maximal inspiratory pressure (MIP)
in COPD patients regardless of whether they are enrolled in a program of pulmonary
rehabilitation (PR).
2. TMI alters the breathing pattern in COPD patients regardless of whether they were
entered into a PR program.
3. Patients with COPD who do not participate in a PR program have higher handgrip strength
compared to patients who did not participate in a PR program.
4. There is decreased activity of the sternocleidomastoid muscle due to increased activity
in the diaphragmatic muscle fibers after a period of TMI.
5. TMI in COPD patients participating in a program RP produces greater increase in MIP,
the handgrip strength, improves breathing pattern and a greater reduction in the
activity of the SCM muscle and diaphragm than in those who did not participate in a
program RP.
6. There will be a reduction in respiratory rate, heart rate, systolic and diastolic blood
pressure and increased oxygen saturation at the end of the TMI.
7. TMI reduce the degree of dyspnea reported by patients as MRC scale at the end of the
training period.
n/a
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