Why the study?
Right ventricular structural and functional changes may develop in early COPD before significant hypoxemia or pulmonary hypertension, with subclinical RV dysfunction preceding overt signs and symptoms.
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Design
Review
Advanced echo detects subclinical RV dysfunction in stable COPD; leaves open need for prospective validation before routine use.
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Sílvio Henrique Barberato (2022) studied this question.
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