Chronic obstructive pulmonary disease: strategies to improve functional status

Area of Science:

• Pulmonary Medicine
• Rehabilitation Science

Background:

• Chronic obstructive pulmonary disease (COPD) significantly impairs patients' functional status.
• Improving functional status is a primary treatment objective for COPD management.

Purpose of the Study:

• To review interventions aimed at enhancing functional status in individuals with COPD.
• To document outcomes related to functional capacity and performance from published randomized controlled trials.

Main Methods:

• Systematic review of randomized controlled trials published between 1980 and September 1996.
• Analysis of interventions including pharmacologic therapy, exercise strategies, inspiratory muscle therapy, nutritional therapy, oxygen therapy, and nursing care.
• Evaluation of outcomes based on functional capacity (e.g., muscle strength, walking tests, peak oxygen uptake) and functional performance.

Main Results:

• Various interventions demonstrated improvements in functional capacity.
• Specific improvements were noted in inspiratory muscle strength, upper extremity strength, walking test results, and peak oxygen uptake.
• Few interventions were specifically designed or evaluated for their impact on functional performance.

Conclusions:

• While several interventions can enhance functional capacity in COPD patients, their effect on functional performance requires further investigation.
• Additional research is necessary to understand the link between functional capacity and performance.
• Development and testing of interventions targeting functional performance in COPD are needed.