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Bendopnoea in exercise limited patients with COPD
Melissa J McDonnell1, Niamh Duignan1, Chistina D Campbell1
1Academic Specialist Registrar Respiratory Medicine, Galway University Hospital, Newcastle Road, Galway, Ireland.
Respiratory Medicine
|July 1, 2019
Summary
Bendopnoea, or breathlessness when bending, affects over half of COPD patients. This symptom is linked to poorer lung function and higher disease impact, not heart failure.
Area of Science:
- Respiratory Medicine
- Pulmonary Rehabilitation
Background:
- Bendopnoea (dyspnoea on bending over) is commonly linked to systolic heart failure.
- COPD patients frequently report bendopnoea, but its mechanisms and implications in this group are poorly understood.
Purpose of the Study:
- To objectively assess bendopnoea in COPD patients undergoing pulmonary rehabilitation.
- To determine the potential mechanisms and clinical significance of bendopnoea in COPD.
Main Methods:
- 44 COPD patients attending pulmonary rehabilitation were evaluated for bendopnoea.
- Assessment involved timing breathlessness onset upon bending forward, with BORG score, oxygen saturation, and blood pressure recorded.
Main Results:
- Bendopnoea was present in 52.3% of patients.
- The symptom significantly correlated with lower FEV1% and TLCO%, and higher CAT scores.
- A trend towards association with a higher waist-to-hip ratio was observed.
Conclusions:
- Bendopnoea is a common symptom in COPD patients undergoing pulmonary rehabilitation.
- It is associated with more severe airflow limitation and greater disease burden.
- Further research is needed to fully elucidate the mechanisms and clinical implications of bendopnoea in COPD.
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