Transcatheter Repair of Pulmonary Venous Baffle Stenosis

A 47-year-old man with a history of d-transposition of the great arteries palliated with an atrial switch (Mustard) operation presented to our institution with progressive exertional dyspnea. Transthoracic echocardiography demonstrated pulmonary venous baffle stenosis, with a mean gradient of 17 mm