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Figure 3: Modified Blalock–Taussig shunt stenting in an infant with pulmonary atresia-ventricular septal defect and cyanosis. Ductal stenting and stent redilatation were performed previously (a) The right carotid artery was used for angiography (Case 4), demonstrating the region of narrowing at the systemic arterial end of the modified Blalock–Taussig shunt (black arrow) and occluded ductal stent (white arrow) (b) The stent was passed across the site of stenosis and positioned along the length of modified Blalock–Taussig shunt (c) Postexpansion angiogram, resolution of the shunt stenosis required only 12 min

Figure 3: Modified Blalock–Taussig shunt stenting in an infant with pulmonary atresia-ventricular septal defect and cyanosis. Ductal stenting and stent redilatation were performed previously (a) The right carotid artery was used for angiography (Case 4), demonstrating the region of narrowing at the systemic arterial end of the modified Blalock–Taussig shunt (black arrow) and occluded ductal stent (white arrow) (b) The stent was passed across the site of stenosis and positioned along the length of modified Blalock–Taussig shunt (c) Postexpansion angiogram, resolution of the shunt stenosis required only 12 min