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| Name | Class |
|---|---|
| Conselho Nacional de Desenvolvimento CientÃfico e Tecnológico | OTHER_GOV |
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Transcutaneous electrical diaphragmatic stimulation (TEDS) has been used to improve respiratory muscle strength in patients with respiratory muscles weakness. However, this physiotherapeutic resource has not been studied in chronic obstructive pulmonary disease (COPD) yet. The objective of this study is to evaluate the respiratory pattern during the session of TEDS besides its effect in respiratory muscle strength and in spirometric variables as much healthy patients as in COPD patients. Methods: healthy and COPD patients are selected and submitted to TEDS treatment. The plethysmographic analysis (LifeShirt System - VivoMetric), respiratory muscle strength and spirometry will be made. The hypothesis is that the TEDS can helps COPD patients that shows respiratory muscle weakness.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Control | Experimental | The transcutaneous electrical diaphragmatic stimulation will be applied in healthy and COPD subjects. |
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| Chronic Obstructive Pulmonary Disease | Experimental | The intervention will be the TEDS in patients with Chronic Obstructive Pulmonary Disease (COPD) |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| TEDS in COPD patients | Other | For the TEDS (transcutaneous electrical diaphragmatic stimulation) the electrical current is pulsed, biphasic and symmetric, with the following parameters: frequency of 30 Hertz; 0.4ms phase width, rise time of 0.7 seconds; respiratory rate of 14 rpm; intensity is the minimum necessary to obtain diaphragm muscle contraction. Four silicone-carbon electrodes (3x5cm) were placed on the skin with gel and micropore tape. Two electrodes were located on each side of the thorax, specifically in the 3rd intercostal space near the xyphoid region and in the 7th intercostal space, on the mid-axillary line. Each session had duration of approximately 30 minutes and the subjects were instructed to co-ordinate breathing with the pulsing of the electrical current. |
| Measure | Description | Time Frame |
|---|---|---|
| Respiratory muscle strength and spirometry | Respiratory muscle strength: maximal inspiratory pressure (cH2O) and maximal expiratory pressure (cH2O) by manovacuometer (Gerar®) Spirometry by Spirometer EasyOne® | 06 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Respiratory pattern | Inductance pletismography by LifeShirt® (VivoMetrics). The variables are: inspiratory tidal volume (ViVol); expiratory tidal volume (VeVol); minute ventilation (VE) in liters; inspiratory time (Ti); expiratory time (Te); total breath time (Tt) in seconds; phase relation during inspiration (PhRIB); phase relation during expiration (PhREB); phase relation of the entire breath (PhRTB) and phase angle (PhAng) in percentage (%). |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Dirceu Costa, PhD | Contact | 55-11-3665-9325 | dirceu@ufscar.br |
| Name | Affiliation | Role |
|---|---|---|
| Dirceu Costa, PhD | UFSCar | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| UFSCar | Recruiting | São Carlos | São Paulo | 13565-905 | Brazil |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 24271095 | Derived | Cancelliero-Gaiad KM, Ike D, Pantoni CB, Mendes RG, Borghi-Silva A, Costa D. Acute effects of transcutaneous electrical diaphragmatic stimulation on respiratory pattern in COPD patients: cross-sectional and comparative clinical trial. Braz J Phys Ther. 2013 Nov-Dec;17(6):547-55. doi: 10.1590/S1413-35552012005000121. Epub 2013 Nov 14. |
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| ID | Term |
|---|---|
| D029424 | Pulmonary Disease, Chronic Obstructive |
| ID | Term |
|---|---|
| D008173 | Lung Diseases, Obstructive |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D002908 | Chronic Disease |
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| TEDS in healthy patients | Other | For the TEDS (transcutaneous electrical diaphragmatic stimulation) the electrical current is pulsed, biphasic and symmetric, with the following parameters: frequency of 30 Hertz; 0.4ms phase width, rise time of 0.7 seconds; respiratory rate of 14 rpm; intensity is the minimum necessary to obtain diaphragm muscle contraction. Four silicone-carbon electrodes (3x5cm) were placed on the skin with gel and micropore tape. Two electrodes were located on each side of the thorax, specifically in the 3rd intercostal space near the xyphoid region and in the 7th intercostal space, on the mid-axillary line. Each session had duration of approximately 30 minutes and the subjects were instructed to co-ordinate breathing with the pulsing of the electrical current. |
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| During the session of transcutaneous electrical diaphragmatic stimulation |
| D020969 |
| Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |