The authors report a case of constrictive pericarditis occurring two years after surgical repair of an atrial septal defect in a 37 year-old-man. The diagnosis was made by right heart catheterisation and magnetic resonance imaging. The special feature of this clinical case was the exclusive localisation of the fibrosis on the visceral pericardium or epicarditis. The outcome was favourable after resection of the visceral pericardium respecting the parietal pericardium. Magnetic resonance imaging and right heart catheterisation performed 6 months after surgery were normal. Constrictive pericarditis is a classical complication of cardiac surgery but relatively rare after repair of an atrial septal defect. Isolated involvement of the visceral pericardium is rare and allows surgical correction by exclusive epicardectomy respecting the parietal pericardium.
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