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Joseph R. Nellis, BS, Joseph W. Turek, MD PhD, Osamah T

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1 Intervention for Supravalvar Pulmonary Stenosis After the Arterial Switch Operation 
Joseph R. Nellis, BS, Joseph W. Turek, MD PhD, Osamah T. Aldoss, MD, Dianne L. Atkins, MD, Benton Y. Ng, MD  The Annals of Thoracic Surgery  Volume 102, Issue 1, Pages (July 2016) DOI: /j.athoracsur Copyright © 2016 The Society of Thoracic Surgeons Terms and Conditions

2 Fig 1 Primary right-sided reintervention (RI) after arterial switch operation (ASO) for dextrotransposition of the great arteries (d-TGA). (A) Percentage of patients free from right-sided RI (y-axis) after ASO for d-TGA (x-axis): 1 year, 80.6%; 5 years, 75.3%; 10 years, 68.1%; and 20 years, 58.3%. Steps down in the graph represent the occurrence of RI, and hash marks represent the loss of a patient to follow-up who had yet to have RI. (B) Instantaneous risk of requiring RI (y-axis) after ASO for d-TGA, in years (x-axis). The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2016 The Society of Thoracic Surgeons Terms and Conditions

3 Fig 2 Site-specific freedom from multiple reinterventions (RIs) after arterial switch operation (ASO) for dextrotransposition of the great arteries (d-TGA). The three figures represent the percentage of patients free from subsequent RI (y-axis) at a given time in years (x-axis) after a given RI technique at the (A) main pulmonary artery (MPA [balloon intervention, hazard ratio 10.0, 95% confidence interval: 2.00 to 49.9, p = 0.005]); (B) left pulmonary artery (LPA [balloon intervention, hazard ratio 3.36, 95% confidence interval: 1.25 to 9.05, p = 0.017]); and (C) right pulmonary artery (RPA). Stairsteps down indicate patients who required a subsequent RI owing to restenosis after the previous RI. Hash marks located along the lines represent patients who were lost to follow-up without the need for subsequent RI. Corresponding hazard ratios are found in Table 4. (Green lines = surgical patch; blue lines = balloon; red lines = stent.) The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2016 The Society of Thoracic Surgeons Terms and Conditions


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