Differences between first-generation and second-generation drug-eluting stent regarding in-stent neoatherosclerosis characteristics: an optical coherence tomography analysis View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2018-05-21

AUTHORS

Norihiro Kobayashi, Yoshiaki Ito, Masahiro Yamawaki, Motoharu Araki, Tsuyoshi Sakai, Masaru Obokata, Yasunari Sakamoto, Shinsuke Mori, Masakazu Tsutsumi, Masahiro Nauchi, Yohsuke Honda, Takahiro Tokuda, Kenji Makino, Shigemitsu Shirai, Keisuke Hirano

ABSTRACT

We compared first-generation and second-generation drug-eluting stent (DES) with respect to neoatherosclerosis using optical coherence tomography or optical frequency domain imaging. In-stent restenoses in 102 first-generation and 114 second-generation DES were retrospectively assessed. Neoatherosclerosis, which was defined as the presence of lipid-laden neointima or calcification inside a stent, was observed in 33 (27.2%) and 31 (32.4%) lesions in the first-generation and second-generation DES respectively. In the first-generation DES group, the lipid length was significantly longer (5.5 ± 3.8 vs. 3.1 ± 2.1 mm, P = 0.0007), the lipid arc was significantly larger (324 ± 70° vs. 250 ± 94°, P = 0.002), the prevalence of a 360° lipid arc was significantly greater (58 vs. 31%, P = 0.03), and the fibrous cap was significantly thinner (153 ± 85 vs. 211 ± 95 µm, P = 0.02) compared with those in the second-generation DES group. These differences remained significant after adjusting for the age of the stent (lipid length: P < 0.001; lipid arc: P = 0.019; and fibrous cap thickness: P < 0.001). The proliferation course and stability of neoatherosclerosis over time might be superior in second-generation DES. More... »

PAGES

1521-1528

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s10554-018-1375-4

DOI

http://dx.doi.org/10.1007/s10554-018-1375-4

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1104139499

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/29785558


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24 schema:description We compared first-generation and second-generation drug-eluting stent (DES) with respect to neoatherosclerosis using optical coherence tomography or optical frequency domain imaging. In-stent restenoses in 102 first-generation and 114 second-generation DES were retrospectively assessed. Neoatherosclerosis, which was defined as the presence of lipid-laden neointima or calcification inside a stent, was observed in 33 (27.2%) and 31 (32.4%) lesions in the first-generation and second-generation DES respectively. In the first-generation DES group, the lipid length was significantly longer (5.5 ± 3.8 vs. 3.1 ± 2.1 mm, P = 0.0007), the lipid arc was significantly larger (324 ± 70° vs. 250 ± 94°, P = 0.002), the prevalence of a 360° lipid arc was significantly greater (58 vs. 31%, P = 0.03), and the fibrous cap was significantly thinner (153 ± 85 vs. 211 ± 95 µm, P = 0.02) compared with those in the second-generation DES group. These differences remained significant after adjusting for the age of the stent (lipid length: P < 0.001; lipid arc: P = 0.019; and fibrous cap thickness: P < 0.001). The proliferation course and stability of neoatherosclerosis over time might be superior in second-generation DES.
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