Eisenmenger’s syndrome MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1], Associate Editor(s)-In-Chief: Priyamavada Singh, MBBS [2], Kristin Feeney, B.S. [3], Abdelrahman Ibrahim Abushouk, MD[4]

Overview

Magnetic resonance imaging can be helpful as a diagnostic tool in conditions where the echocardiographic findings are inconclusive. The following can be observed on MRI examination of Eisenmenger's syndrome patients: Magnitude and direction of the cardiac shunt, reduced systolic function of the cardiac ventricles, and brain diffusion changes on brain MRI.

MRI

Advantages

• Useful in cases where echocardiographic results are inconclusive.
• Helps in measuring heart volumes, blood flow and ventricular wall thickness.
• The magnetic resonance angiography helps in better visualization of the cardiac vasculature
• Phase velocity mapping helps in measuring the ratio of pulmonary to systemic blood flow.

Disadvantages

• For successful MRI, breath holding is required, which is sometimes difficult to achieve with children.
• Therefore, the procedure is done under general anesthesia in children.

Findings

The following can be observed on MRI examination of Eisenmenger's syndrome patients:

• Magnitude and direction of the cardiac shunt.
• Reduced systolic function of the cardiac ventricles.
• Brain diffusion changes on brain MRI.