Constrictive pericarditis MRI
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Constrictive Pericarditis Microchapters |
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Differentiating Constrictive Pericarditis from other Diseases |
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Treatment |
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Case Studies |
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Constrictive pericarditis MRI On the Web |
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American Roentgen Ray Society Images of Constrictive pericarditis MRI |
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Risk calculators and risk factors for Constrictive pericarditis MRI |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Atif Mohammad, M.D.
Overview
MRI
MRI or CT may demonstrate thickening or calcification of the pericardium.
Below is a video demonstrating MR findings of constrictive pericarditis where, in mid-diastole, the thickened pericardium begins to restrict right ventricular filling, causing a rapid increase in ventricular pressure. Early changes of septal flattening and bowing of the interventricular septum toward the left ventricle (normally concave in shape toward the left ventricle during diastolic filling) are seen. This pressure change results in diastolic septal dysfunction, the septal bounce described in echocardiography.
MRI has been included in the multi modality imaging guidelines for the diagnosis of Constrictive Pericarditis. It is of great value when echocardiography is non diagnostic and the suspicion remains high. It delineates two essential components of the evaluation: Pericardial anatomy and functional imaging showing ventricular interdependence. It also can be used to rule out restrictive cardiomyopathy.
It is especially useful with the use of late gadolinium enhancement as it identifies pericardial inflammation when suspected in cases with a short duration of symptoms and elevated inflammatory markers.
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References