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IN-STENT STENOSIS: PATHOLOGY AND IMPLICATIONS FOR THE DEVELOPMENT OF DRUG ELUTING STENTS

"Neointima" formation within a stent also results from other mechanisms, such as axial movement of primary plaque displaced to adjacent artery segments by the original procedure.\n Indeed, a major concern with both brachytherapy and drug eluting stents relates to failure of complete vessel...

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Bibliographic Details
Published in:British heart journal 2003-02, Vol.89 (2), p.218-224
Main Author: Bennett, Martin R
Format: Article
Language:English
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Summary:"Neointima" formation within a stent also results from other mechanisms, such as axial movement of primary plaque displaced to adjacent artery segments by the original procedure.\n Indeed, a major concern with both brachytherapy and drug eluting stents relates to failure of complete vessel healing, with subsequent lack of re-endothelialisation and late thrombosis, and medial thinning with stent malapposition. [...]an ideal agent would exhibit specificity to the vessel intima, without having an effect on endothelial cells or medial VSMCs. A recent study of differential gene expression in human ISS versus medial VSMCs demonstrated increased expression of FKBP12 in ISS VSMCs. [...]rapamycin released to the vessel wall may preferentially bind to the intima, the receptor potentially acting as a "sink" and local reservoir for the drug.
ISSN:1355-6037
0007-0769
1468-201X
DOI:10.1136/heart.89.2.218