Right and left ventricular performance 10 years after mustard repair of transposition of the great arteries

Twenty-two late survivors of Mustard repair of transposition of the great arteries underwent treadmill exercise testing to assess exercise endurance, and radionuclide cineanguography to measure rest and exercise right ventricular (RV) and left ventricular (LV) ejection fraction (EF). Mean age at Mustard repair was 1.8 ± 2.4 years and at initial exercise study 14.1 ± 4.5 years. All patients were asymptometic at study entry. Treadmill endurance...