Use of Breath Stacking Technique on Regional Ventilation in Box Chest in Women With Morbid Obesity
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|ClinicalTrials.gov Identifier: NCT01551277|
Recruitment Status : Completed
First Posted : March 12, 2012
Last Update Posted : March 12, 2012
|Condition or disease||Intervention/treatment||Phase|
|Morbidly Obese||Other: Placebo-BREATH STACKING Other: BREATH STACKING||Not Applicable|
|Study Type :||Interventional (Clinical Trial)|
|Actual Enrollment :||32 participants|
|Intervention Model:||Parallel Assignment|
|Masking:||Double (Participant, Care Provider)|
|Official Title:||Use of Breath Stacking Technique on Regional Ventilation in Box Chest in Women With Morbid Obesity: Clinical Trial Controlled and Randominzado|
|Study Start Date :||March 2010|
|Actual Primary Completion Date :||December 2010|
|Actual Study Completion Date :||January 2011|
|Placebo Comparator: Control Group||
Other: Placebo-BREATH STACKING
The control group used the same circuit in the intervention group, but without occlusion of the expiratory branch and followed the same protocol to capture the images, ie, basal respiration for five minutes, then three periods of breathing through the mask, the equivalent time the period of technical BS, and five minutes of respiration. The volunteers were instructed to maintain respiration during the period they were using the mask.
|Experimental: BREATH STACKING||
Other: BREATH STACKING
In the intervention group used a silicon mask, involving the nose and mouth with two outputs, one containing the Wright spirometer MARK 8 analog output and the other was occluded. It was explained that the mask would only allow the air entering during inspiration, and that should inspire the volunteer gradually filling the lungs with air until you feel that completely filled with an average time of 20 seconds, as shown in figure 1 obtained during the method of BS. The end of the technique would be in two situations: when the volunteer asked for it through a hand gesture, or when prearranged by Wright spirometer, was observed by the researcher that there was no change in the inspired volume.
- Chest wall regional volume [ Time Frame: ten months ]We considered as primary outcome regional tidal volumes: total current volume of the chest cavity (Vc), changes in tidal volume of pulmonary rib cage (ΔVc, ctp), tidal volume variation of the abdominal rib cage (ΔVc, CTA) and abdominal tidal volume (ΔVc, ab), and secondary outcome Inspiratory capacity (IC).
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Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01551277
|Universidade Federal de Pernambuco|
|Recife, Pernambuco, Brazil|