Vessel caliber and restenosis: a prospective clinical and angiographic study of NIR stent deployment in small and large coronary arteries in the same patient

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions
Peter N RuygrokSue Price

Abstract

Retrospective analyses of patient cohorts undergoing stent deployment have shown that small vessel diameter and long lesion length are two angiographic predictors of increased restenosis. We determined the effects of these factors in patients with lesions treated in both small- and large-diameter coronary arteries. This multicenter prospective quantitative angiographic study evaluated patients with de novo coronary disease undergoing intervention who had at least two lesions < or = 16 mm length, one in a vessel < or = 2.75 mm diameter (9 or 16 mm length seven-cell NIR stent) and the other in a vessel > or = 3.0 mm diameter (9 or 16 mm nine-cell NIR stent). Of 94 patients enrolled, 76% were male, mean age was 62 years (range, 40-85), 41% were hypertensive, 18% had diabetes, 15% were current smokers, and 64% had hypercholesterolemia. Additional lesions were treated in 23% of patients. The procedural success rate was 99%. Six months postprocedure, there were no deaths or late stent occlusions. One patient suffered a Q-wave myocardial infarction, one a non-Q-wave infarction, eight underwent percutaneous reintervention, two coronary artery bypass graft surgery operations, and five stenting of other nonstudy lesions. The mean referen...Continue Reading

References

Nov 3, 1998·Circulation·S EleziA Schömig
Jul 10, 1999·Journal of the American College of Cardiology·H SchunkertI F Palacios

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Citations

Jan 20, 2009·Revista española de cardiología·Iñigo LozanoMariano Valdés
Sep 19, 2008·Computational Biology and Chemistry·L DaviaM Grassi
Mar 4, 2006·European Journal of Vascular and Endovascular Surgery : the Official Journal of the European Society for Vascular Surgery·S SarkarA M Seifalian
Aug 12, 2016·Circulation. Cardiovascular Interventions·John A Ormiston, Mark W I Webster
Nov 19, 2005·Expert Review of Medical Devices·Matteo SantinGiuseppe Bruschi

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