Obesity in COPD: Revealed and Unrevealed Issues
S Zewari1, P Vos1, F van den Elshout1
1a Department of Pulmonary Disease , Rijnstate hospital , Arnhem , The Netherlands.
COPD
|December 7, 2017
Summary
Obesity in chronic obstructive pulmonary disease (COPD) presents complex interactions. While obese COPD patients may experience less lung hyperinflation, the impact on dyspnea and exercise capacity remains unclear, necessitating further research.
Area of Science:
- Pulmonary Medicine
- Metabolic Disorders
Background:
- Increasing global prevalence of obesity.
- Obesity appears more common in patients with chronic obstructive pulmonary disease (COPD) than in the general population.
- Existing data on obesity in COPD is inconsistent, requiring further investigation.
Purpose of the Study:
- To review the effects of obesity on key aspects of COPD management.
- Focus on dyspnea, pulmonary function, exercise capacity, and exacerbation risk in obese COPD patients.
Main Methods:
- Literature review synthesizing current knowledge.
- Analysis of studies examining obesity's impact on COPD symptoms and outcomes.
Main Results:
- No consensus on obesity's effect on dyspnea in COPD; potential benefit from reduced hyperinflation.
- Obesity negatively impacts weight-bearing exercise capacity but not weight-supported exercise (e.g., cycling).
- Obesity is associated with improved survival rates concerning severe COPD exacerbations.
Conclusions:
- Significant knowledge gaps persist due to methodological variations and cohort differences.
- Insufficient evidence to establish clinical practice guidelines for managing obesity in COPD.
- Further research is essential to clarify the multifaceted relationship between obesity and COPD.
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