Abstract
Chronic constrictive pericarditis is defined by an increase in the rigidity of the pericardium resulting in impairment of the ventricular filling conditions. Cardiac MR is both a morphological and functional study always complemented by multi-detector CT. Morphological analysis is based on axial, longitudinal long axis and short axis views on Turbo (fast) SE Dark Blood and CINE sequences. Functional analysis is based on real-time acquisitions in the short axis at the base of the ventricles by comparing spontaneous breathing and deep breathing. The excursion of the interventricular septum is a reliable sign of constriction. The study is supplemented by phase contrast acquisitions. In the setting of persistent inflammation or free pericardial fluid, delayed enhancement 3D and 2D sequences including Phase Sensitive Inversion Recovery (PSIR) are useful.
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