Does phase contrast cardiovascular magnetic resonance detect decreased wall shear stress in children and adolescents with pulmonary arterial hypertension?
Wall shear stress is significantly decreased in children and adolescents with PAH despite preserved flow rates, which may impact pulmonary artery remodeling.
In the presence of preserved flow rates through a large PAH pulmonary artery, WSS is significantly decreased. This may have implications for proximal pulmonary artery remodeling and cellular function in the progression of PAH.
Truong et al. (Tue,) studied this question.