PMC6777179_01
A - The pulmonary angiography shows left pulmonary artery stenosis. B - The covered stent (CP 8ZIG 45 mm, NuMED) was implanted in the pulmonary artery. Reverse flow is visible in the azygos vein. C - The angiography performed 3 months later reveals the occlusion of a previously implanted stent. D - The final angiography reveals almost complete resolution of the in-stent thrombus and restoration of the circulation to segmental arteries of the left pulmonary artery. SVC - superior vena cava, AV - azygos vein, RPA - right pulmonary artery, LPA - left pulmonary artery.
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A). A 12 Fr Mullins long sheath was introduced and a covered stent (CP 8ZIG 45 mm, NuMED) mounted on a 14 mm diameter BiB balloon (NuMED) was implanted in the middle portion of the left pulmonary artery, and thus the antegrade pulmonary flow was closed and the pulmonary stenosis was resolved (Figure 1 B). In subsequent angiography, the flow to all segments of the left lung was confirmed (Figure 1 D).