PMC6385562_01
Aortic injection before (a) and after (b) balloon angioplasty
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F1
Balloon angioplasty using high-pressure balloon was performed three times [Figure 1], and pressure gradient decreased to about 10 mmHg.
Aortic injection before (a) and after (b) coarctation stenting
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F2
During the angiography, severe stenosis was observed again on the site [Figure 2a], and according to the anatomy of the site, we decided to use the stent for CoA correction in this patient. After ensuring that the stent is positioned correctly, we opened the stent up to 8 mm using the balloon inflator [Figure 2b].