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Transcript of Intimal hyperplasia following implantation of helical- centreline and straight-centreline stents in...
![Page 1: Intimal hyperplasia following implantation of helical- centreline and straight-centreline stents in common carotid arteries in healthy pigs: influence.](https://reader036.fdocuments.in/reader036/viewer/2022072013/56649e6a5503460f94b67495/html5/thumbnails/1.jpg)
Intimal hyperplasia following implantation of helical-centreline and straight-centreline stents in common
carotid arteries in healthy pigs: influence of intraluminal flow†
by Colin Gerald Caro, Anusha Seneviratne, Kevin B. Heraty, Claudia Monaco, Martin G. Burke, Rob Krams, Carlos C. Chang, Gianfilippo Coppola, and Paul Gilson
InterfaceVolume 10(89):20130578
December 6, 2013
©2013 by The Royal Society
![Page 2: Intimal hyperplasia following implantation of helical- centreline and straight-centreline stents in common carotid arteries in healthy pigs: influence.](https://reader036.fdocuments.in/reader036/viewer/2022072013/56649e6a5503460f94b67495/html5/thumbnails/2.jpg)
Example of a stent with three-dimensional helical-centreline geometry.
Colin Gerald Caro et al. J. R. Soc. Interface 2013;10:20130578
©2013 by The Royal Society
![Page 3: Intimal hyperplasia following implantation of helical- centreline and straight-centreline stents in common carotid arteries in healthy pigs: influence.](https://reader036.fdocuments.in/reader036/viewer/2022072013/56649e6a5503460f94b67495/html5/thumbnails/3.jpg)
(a) PA (posterior–anterior) angiogram (supplemented by lateral angiograms, not shown) shows helical deformation of the animal's left (helical-centreline stented) CCA but not of the right
(straight-centreline stented) CCA. (b) PA angiograms and video clips (...
Colin Gerald Caro et al. J. R. Soc. Interface 2013;10:20130578
©2013 by The Royal Society
![Page 4: Intimal hyperplasia following implantation of helical- centreline and straight-centreline stents in common carotid arteries in healthy pigs: influence.](https://reader036.fdocuments.in/reader036/viewer/2022072013/56649e6a5503460f94b67495/html5/thumbnails/4.jpg)
Transverse sections of proximal, middle and distal segments of CCAs, one month after stent deployment.
Colin Gerald Caro et al. J. R. Soc. Interface 2013;10:20130578
©2013 by The Royal Society
![Page 5: Intimal hyperplasia following implantation of helical- centreline and straight-centreline stents in common carotid arteries in healthy pigs: influence.](https://reader036.fdocuments.in/reader036/viewer/2022072013/56649e6a5503460f94b67495/html5/thumbnails/5.jpg)
(a) Low magnification fuchsin stained cross sections of porcine common carotid arteries with (i) straight-centreline stent implanted and (ii) helical-centreline stent implanted.
Colin Gerald Caro et al. J. R. Soc. Interface 2013;10:20130578
©2013 by The Royal Society
![Page 6: Intimal hyperplasia following implantation of helical- centreline and straight-centreline stents in common carotid arteries in healthy pigs: influence.](https://reader036.fdocuments.in/reader036/viewer/2022072013/56649e6a5503460f94b67495/html5/thumbnails/6.jpg)
(a–b) IMRs in the helical-centreline stented and straight-centreline stented CCAs.
Colin Gerald Caro et al. J. R. Soc. Interface 2013;10:20130578
©2013 by The Royal Society
![Page 7: Intimal hyperplasia following implantation of helical- centreline and straight-centreline stents in common carotid arteries in healthy pigs: influence.](https://reader036.fdocuments.in/reader036/viewer/2022072013/56649e6a5503460f94b67495/html5/thumbnails/7.jpg)
Number of adventitial microvessels in proximal, middle and distal segments of the helical-centreline stented and straight-centreline stented CCAs.
Colin Gerald Caro et al. J. R. Soc. Interface 2013;10:20130578
©2013 by The Royal Society
![Page 8: Intimal hyperplasia following implantation of helical- centreline and straight-centreline stents in common carotid arteries in healthy pigs: influence.](https://reader036.fdocuments.in/reader036/viewer/2022072013/56649e6a5503460f94b67495/html5/thumbnails/8.jpg)
CFD study illustrating the distribution of wall shear stress in a helical conduit under steady flow conditions, normalized by Poiseuille flow.
Colin Gerald Caro et al. J. R. Soc. Interface 2013;10:20130578
©2013 by The Royal Society
![Page 9: Intimal hyperplasia following implantation of helical- centreline and straight-centreline stents in common carotid arteries in healthy pigs: influence.](https://reader036.fdocuments.in/reader036/viewer/2022072013/56649e6a5503460f94b67495/html5/thumbnails/9.jpg)
CFD seeded disc study, illustrating swirling and mixing in a helical conduit and its persistence for a short distance in a straight conduit downstream of the helical conduit.
Colin Gerald Caro et al. J. R. Soc. Interface 2013;10:20130578
©2013 by The Royal Society