TGA - Outcome after ASO for TGA in adults

Cardiac outcomes in young adult survivors of the arterial switch operation for transposition of the great arteries.
Daniel Tobler, William G. Williams, Anusha Jegatheeswaran, et al.
JACC 2010;56(1):58-64.
Article

132 infants discharges from Toronto before 1991.
97% survival at 20 yrs.
65 were followed in Toronto are the study population.
Outcome:
11 pts (17%) had at least one clinically significant lesion (Ventricular dysfunction, valvular dysfunction or arrhythmia)
Residual lesions are more common in patients who needed cath interventions during childhood (Odds ratio 10.7).

5 pts (8%) had arrhythmia.
7 (11%) needed reintervention (5 reops & 2 Pacemaker placements)
No intervention was necessary for AR or Aortic root dilatation.
Exercise capacity was reduced in 82% of survivors.