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Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease

Published on: August 24, 2019

Activity restriction in mild COPD: a challenging clinical problem.

Denis E O'Donnell¹, Kevin B Gebke²

¹Division of Respiratory and Critical Care Medicine, Respiratory Investigation Unit, Queen's University and Kingston General Hospital, Kingston, ON, Canada.

International Journal of Chronic Obstructive Pulmonary Disease

|June 19, 2014

Summary

Mild chronic obstructive pulmonary disease (COPD) causes exercise intolerance early. Early intervention and pulmonary rehabilitation can improve exercise tolerance and physical activity in symptomatic COPD patients.

Keywords:

chronic obstructive pulmonary disease (COPD)dyspnea exercise physical activity small airway dysfunction

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Area of Science:

Pulmonary Medicine
Exercise Physiology

Background:

Dyspnea and exercise intolerance are common in mild COPD, often leading to delayed medical help and disease progression.
Patients may not seek care until significant respiratory impairment is present, exacerbating inactivity.

Purpose of the Study:

To review mechanisms of exercise limitation in mild COPD.
To discuss interventions, including pulmonary rehabilitation and pharmacologic treatments, to improve exercise tolerance.

Main Methods:

Assessment of exercise tolerance and physical activity using questionnaires (mMRC, CAT) and exercise tests (6-minute walk, incremental/endurance tests).
Utilization of pedometers and accelerometers for physical activity monitoring.
Evaluation of small airway dysfunction and laboratory-based exercise tests for physiological impairment.

Main Results:

Ventilatory, gas exchange, cardiac, and skeletal muscle dysfunctions contribute to exercise intolerance in mild COPD.
Pulmonary rehabilitation and potential pharmacologic treatments show promise for improving outcomes.

Conclusions:

Early evaluation of exercise tolerance and physical activity is crucial in symptomatic mild COPD.
Interventions like pulmonary rehabilitation can significantly improve exercise capacity and functional status.