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OBJECTIVES: INSPIRE-1 (Italian Nobori Stent ProspectIve REgistry-1) was designed and conducted to assess clinical performance of Nobori biolimus A9-eluting stent (BES) implantation in an unrestricted "real-world" cohort of patients. METHODS: Unrestricted consecutive high-risk patients treated with BES with biodegradable polymer (Nobori, Terumo, Tokyo, Japan) between February 2008 and July 2012 were prospectively enrolled in an independent multicenter registry and divided in two groups: complex and non complex lesions. RESULTS: 1066 patients (1589 lesions) treated with Nobori BES were analyzed. The majority of patients (57%) were treated for at least one complex lesion and presented a high-risk clinical profile (previous CABG 17.6%, diabetes mellitus 33.1%, chronic kidney disease 14.3%). Angiographic success rate was achieved in 96.2% cases. At 1 year, the primary endpoint, (composite of cardiac death, myocardial infarction, and clinically driven target vessel revascularization), occurred in 39 (4.0%) patients, and was higher in the complex lesions (5.2% vs. 2.5%, P = 0.032). Target lesion failure (TLF, secondary endpoint) occurred in 45 (4.6%) patients, and was more frequent in the complex lesions group (6.2% vs. 2.7%, P = 0.011), mainly due to a higher incidence of any target lesion revascularization (4.8% vs. 2.7%; P = 0.095). Definite and probable stent thrombosis (ST) rate was 0.6% and 0.5% respectively, with no difference between groups. CONCLUSIONS: In unrestricted daily practice, BESs were implanted predominantly in high risk patients with complex lesions. Despite this, the Nobori BES was associated with a relatively low rate of primary endpoint and TLF, with a higher risk in patients with complex lesions.

Original publication

DOI

10.1016/j.ijcard.2014.09.019

Type

Journal article

Journal

Int j cardiol

Publication Date

15/11/2014

Volume

177

Pages

11 - 16

Keywords

Biolimus A9-eluting stent, Complex lesions, High-risk patients, Stent thrombosis, Absorbable Implants, Aged, Cohort Studies, Drug-Eluting Stents, Female, Follow-Up Studies, Humans, Italy, Male, Middle Aged, Myocardial Infarction, Polymers, Prospective Studies, Registries, Sirolimus, Time Factors, Treatment Outcome