Value of magnetic resonance imaging in functional assessment of baffle obstruction after the Mustard procedure.

Although excellent results have been reported on echocardiographic detection of postoperative sequelae after the Mustard procedure (1-3), baffle obstruction cannot definitely be ruled out in certain cases (3). This may be due to a combination of poor echo windows and the complex three-dimensional relationship of the intraatrial structures. Because it seems imperative to rule out baffle pathology in symptomatic patients (4,5), often additional angiography is required. In this case report we state that magnetic resonance (MR) examination may be an appealing alternative for angiography when echocardiographic examination is inconclusive or patients cannot endure transesophageal echocardiography (TEE).