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Archives of cardiovascular diseases
Volume 102, n° 8-9
pages 617-624 (août 2009)
Doi : 10.1016/j.acvd.2009.05.010
Received : 27 Mars 2009 ;  accepted : 18 May 2009
Comparative analysis of neointimal coverage with paclitaxel and zotarolimus drug-eluting stents, using optical coherence tomography 6 months after implantation
Analyse comparative de la réendothélialisation de stents actifs au paclitaxel et au zotarolimus en imagerie par cohérence optique six mois après implantation

Figure 1

Figure 1 : 

Drug-eluting stent analysis on optical coherence tomography millimetric images: top, qualitative strut analysis. A. Covered. B. Non-covered. C. Malapposed. D. Facing collateral. Bottom, quantitative analysis: intrastent area (green), lumen area (red), coverage thickness per strut (red arrows).

Figure 2

Figure 2 : 

Distribution of strut coverage thickness in paclitaxel-eluting stent (PES) and zacrolimus-eluting stent (ZES) groups.

Figure 3

Figure 3 : 

Examples of optical coherence tomography images. A. Paclitaxel-eluting stent, 3.0×20mm, neointimal hyperplasia area 13%, mean neointimal hyperplasia thickness 95μm, 100% covered struts. B. Zacrolimus-eluting stent, 4.0×9mm, neointimal hyperplasia area 26%, mean neointimal hyperplasia thickness 270μm, 100% covered struts. C. Zacrolimus-eluting stent, 2.5×8mm, neointimal hyperplasia area 47%, mean neointimal hyperplasia thickness 375μm, 100% covered struts. D. Paclitaxel-eluting stent, 2/11 struts malapposed. E. Paclitaxel-eluting stent, 6/19 struts non-covered, 68% covered. F. Paclitaxel-eluting stent, 2/12 struts facing collateral branch.

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