Detailed observation of arterial healing after stent implantation in swine arteries by using optical coherence tomography
BACKGROUND: Histopathological examination is not suitable for sequential in vivo analysis of arterial healing after stenting because it can be performed only after the animals are killed. Optical coherence tomography (OCT) provides higher resolution than intravascular ultrasound (IVUS). The aim of this study was to compare arterial healing images after stenting on the basis of the findings of histopathological examination, IVUS, and OCT. METHODS: We examined 12 vessels; 12 bare-metal stents were implanted in 6 miniature swine. Histopathological examination, IVUS, and OCT imaging were performed at 1 and 4 weeks after stenting. For quantitative analysis of IVUS and OCT images ...
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