Successful percutaneous closure of acquired atrial septal defect in a man with postoperative pericardial constriction

A 70 year old man was admitted with signs of severe right heart failure 10 months following a mitral valve repair (quadrangular resection and Carpentier ring insertion). Examination revealed a soft systolic murmur and extensive peripheral oedema which responded initially to high doses of furosemide and spironolactone. Transoesophageal echocardiography …