Device-guided Breathing for Shortness of Breath in COPD

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

11 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-01-31

Study Completion Date

2011-12-31

Brief Summary

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Although drug therapies and pulmonary rehabilitation have greatly improved COPD symptoms, as many as 50% of patients with severe COPD have inadequately controlled dyspnea. Device-guided breathing is a behavioral intervention that guides respiratory rates into a therapeutic range; prolongation of the expiratory phase improves hyperinflation, the most significant driver of dyspnea in this population. Device-guided breathing, has no known side-effects, and may represent a cost effective adjunctive treatment for dyspnea in severe COPD.

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Detailed Description

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Conditions

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COPD Dyspnea Hyperinflation

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Device-guided slow breathing

Group Type EXPERIMENTAL

Twice daily practice of device-guided slow breathing.

Intervention Type BEHAVIORAL

Participants are asked to use the slow-breathing device for 20 minutes twice daily, for 8 weeks. Participants receive weekly telephone calls to monitor device use and are encouraged to use pursed-lips when following the breathing tones of the device while exhaling.

Interventions

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Twice daily practice of device-guided slow breathing.

Participants are asked to use the slow-breathing device for 20 minutes twice daily, for 8 weeks. Participants receive weekly telephone calls to monitor device use and are encouraged to use pursed-lips when following the breathing tones of the device while exhaling.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Current or former cigarette smokers of at least 10 pack-years
* Clinically significant dyspnea, as determined by a score of at least 2 on the Medical Research Council Dyspnea Score questionnaire (0-4), or through pulmonary function test results of a residual volume (RV) of \> 150% predicted or an FEV1 of \<65% predicted
* Clinical diagnosis of chronic obstructive pulmonary disease

Exclusion Criteria

* Unable to use the slow-breathing device due to hearing impairment
* Poor motivation or lack of interest in using the device
* Pulmonary Rehabilitation ordered as a new therapy at the time of enrollment

Minimum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No