"Pulmonary hypertension associated with chronic obstructive pulmonary disease (PH-COPD) can be a common complication of chronic obstructive pulmonary disease and usually manifests as mild to moderate pulmonary hypertension in those with advanced COPD. Pulmonary arterial pressures in this situation most ranges around 25-35 mmHg 3. A small proportion of COPD patients may present of a severe or "disproportionate" pulmonary arterial pressures with resting pulmonary arterial pressures around > 35-40 mmHg 3."
"CT "
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"CT "
"Pulmonary vascular remodelling in COPD is considered the main cause of increased pulmonary arterial pressures and is thought to be a result of combined effects of hypoxia, inflammation and loss of capillaries in severe emphysema."