Intracoronary Ultrasound Assessment Late After the Arterial Switch Operation for Transposition of the Great Arteries
Simone R.F.F. Pedra, MD*,
Carlos A.C. Pedra, MD,
Alexandre A. Abizaid, MD,
Sérgio L.N. Braga, MD,
Rodolfo Staico, MD,
Raul Arrieta, MD,
J. Ribamar Costa, Jr, MD,
Vinicius D. Vaz, MD,
Valmir F. Fontes, MD and
J. Eduardo R. Sousa, MD
Instituto Dante Pazzanese de Cardiologia, São Paulo, Brazil
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Figure 1 Coronary angiogram showing lumen reduction at the origin of the right coronary artery.
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Figure 2 Distribution of the intimal indexes (top) and maximal intimal thickness (bottom) for right and left coronary arteries according to the duration of follow-up. LCA = left coronary artery; RCA = right coronary artery.
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Figure 3 Distribution of the percentage of arteries in the different classes according to the Stanford classification. The absolute number of arteries at each class is represented above each bar.
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Figure 4 Intracoronary ultrasound image of a normal coronary artery segment (a) and anterior descending segment (b) with intimal proliferation comprising 180° of the vessel circumference (arrows indicate intimal thickening).
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Figure 5 Intracoronary ultrasound image of an elliptical ostia (a) followed by a normal segment (b).
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