Meadows, Jeffery Fontan fenestration closure has no acute effect on exercise capacity but improves ventilatory response to exercise. [electronic resource] - Journal of the American College of Cardiology Jul 2008 - 108-13 p. digital Publication Type: Clinical Trial; Journal Article ISSN: 1558-3597 Standard No.: 10.1016/j.jacc.2007.12.063 doi Subjects--Topical Terms: AdolescentAdultCardiac CatheterizationChildChild, PreschoolExercise--physiologyExercise TestFontan Procedure--methodsHeart Defects, Congenital--physiopathologyHumansMiddle AgedOxygen Consumption--physiologyProspective StudiesPulmonary Ventilation--physiologyTreatment Outcome