VIEWPOINT
Drug-eluting stents for diabetes mellitus
A rush to judgment?
Aloke V. Finn, MD*,*,
Igor F. Palacios, MD*,
Adnan Kastrati, MD and
Herman K. Gold, MD*
* Cardiac Unit, Massachusetts General Hospital, Boston, Massachusetts
Deutsches Herzzentrum and 1. Med. Klinik rechts der Isar, Technische Universität München, Munich, Germany
Manuscript received July 25, 2004;
revised manuscript received October 9, 2004,
accepted October 18, 2004.
* Reprint requests and correspondence: Dr. Aloke V. Finn, Massachusetts General Hospital, 55 Fruit Street, Boston, Massachusetts 02114. (Email: afinn1{at}partners.org).
The two pivotal U.S. trials of drug-eluting stents do not establish the principle that these stents are superior to thin-strut bare-metal stents for preventing repeat revascularization in patients with diabetes. Neither study was adequately powered to make this determination. Moreover, both studies used thick-strut stents known to have high restenosis rates as controls. Low angiographic follow-up underestimates the true target lesion revascularization rate in the Polymer-Based Paclitaxel-Eluting Stent in Patients with Coronary Artery Disease (TAXUS-IV) trial because of the high incidence of silent ischemia in patients with diabetes. Optimal therapy for diabetic coronary disease should include a comprehensive approach directed toward metabolic normalization in addition to local stent-based therapy.
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Abbreviations and Acronyms
| | BMS = bare-metal stent | | DES = drug-eluting stents | | ISAR-STEREO = Intracoronary Stenting and Angiographic Results-Strut Thickness Effect on Restenosis Outcomes trial | | PCI = percutaneous coronary intervention | | PES = paclitaxel-eluting stent | | PPAR = peroxisome proliferator-activated receptor | | RVD = reference vessel diameter | | SES = sirolimus-eluting stent | | SIRIUS = Sirolimus-coated BX Velocity Balloon-Expandable Stent in the Treatment of Patients With De Novo Coronary Artery Lesions | | TAXUS-IV = Polymer-Based Paclitaxel-Eluting Stent in Patients with Coronary Artery Disease | | TLR = target lesion revascularization |
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