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Figure 6 Changes of the Lesion Findings Before and After PCI to 9 Months After Sirolimus-Eluting Stent Implantation in Unstable Plaque and Stable Plaque
(A) The ruptured plaque has a core cavity, and the thick-cap fibroatheroma was ruptured by PCI. At the site of the plaque cavity, the stent struts were not well-apposed to the vessel wall. Furthermore, tissue protrusion and intracoronary thrombus were observed after PCI. At 9 months' follow-up, the ruptured plaque cavity was persistent, and the inadequately-apposed stent struts were not covered by neointima. (B) The thick-cap fibroatheroma was not ruptured during PCI. The stent struts were well-apposed to vessel wall after PCI, and covered by neointima at 9 months' follow-up. Figure illustrations done by Rob Flewell. PCI = percutaneous coronary intervention.
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