Fig. 3

OCT findings of different types of 4.0-mm-diameter stents following post-dilatation by a 5.0-mm high-pressure balloon. The XIENCE Xpedition 4.0 mm × 28 mm, the Helios 4.0 mm × 28 mm, the Firehawk 4.0 mm × 29 mm, the BuMA 4.0 mm × 30 mm, the Nano Plus 4.0 mm × 29 mm, and the Excrossal 4.0 mm × 29 mm were subjected to OCT examination before and after post-dilatation with a 5.0-mm noncompliant balloon