Why the study?
Other conditions mimic constrictive physiology despite an intact pericardium, but pulmonary regurgitation mimicking the haemodynamic characteristics of constrictive pericarditis had not been reported.
Severe pulmonary regurgitation can cause right heart dilation that overstretches the pericardium, creating a hemodynamic profile that mimics constrictive pericarditis.
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Pulmonary regurgitation may mimic constrictive pericarditis hemodynamics; extends differential but leaves open clinical relevance.
Suto et al. (2020) studied this question.
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