Why the study?
Does upright exercise alter right ventricular performance and central circulatory hemodynamics in male patients with chronic obstructive pulmonary disease?
Population
12 male patients with chronic obstructive pulmonary disease, mean age 58.5 +/- 6.7 yr, all with dyspnea on…
Comparison
Upright exercise on a bicycle ergometer at 58%… vs Rest (baseline measurements prior to exercise)
Design
Cross-sectional
Authors
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Exercise-induced RV dysfunction may limit capacity in COPD; leaves open whether this guides therapy or requires prospective confirmation.
Does upright exercise alter right ventricular performance and central circulatory hemodynamics in male patients with chronic obstructive pulmonary disease?
In patients with chronic obstructive pulmonary disease, exercise performance may be limited by right ventricular dysfunction, evidenced by a failure to augment right ventricular ejection fraction and increased pulmonary pressures during exercise.
Mahler et al. (1984) studied this question.
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