Copyright © 2005, European Society of Cardiology
Dexamethasone: Effects on neointimal hyperplasia and vessel integrity
Molekulare Pharmakologie, Institut für Pharmakologie und Klinische Pharmakologie, Heinrich Heine Universität Düsseldorf, Moorenstrasse 5, D-40225 Düsseldorf, Germany
* Tel.: +49 211 81 12513x12500; fax: +49 211 81 14781. Email address: jens.fischer@uni-duesseldorf.de
Received 15 August 2005; accepted 20 September 2005
| The first 10% of the full text of this article appears below. |
See article by Pires et al. [11] (pages 415–424) in this issue.
The clinical success of balloon angioplasty is limited by restenosis, which occurs in up to 50% of patients. Lumen compromise and restenosis are caused by acute elastic recoil and late constrictive remodeling and to a lesser degree by neointimal hyperplasia [1,2]. The application of bare metal stents (BMS) has revolutionized percutaneous coronary interventions by reducing the rate of clinical complications and the need for target vessel revascularization. Although BMS mechanically prevent the decrease of total vessel area caused by constrictive remodeling, in-stent restenosis still reduces the clinical success rate of BMS substantially. In contrast to restenosis after balloon angioplasty, after stent implantation restenosis is caused exclusively by ingrowth of a thickened neointima as the
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