Very long-term follow-up of strut apposition and tissue coverage with Biolimus A9 stents analyzed by optical coherence tomography
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- 作者：Rodolfo Staico (1)
Marco A. Costa (2)
Daniel Chamié (2)
Hiram Bezerra (2)
Luciana V. Armaganijan (1)
Ricardo A. Costa (1)
José Ribamar Costa (1)
Dimytri Siqueira (1)
Marinella Centemero (1)
áurea Chaves (1)
Luiz Fernando Tanajura (1)
Alexandre Abizaid (1)
Fausto Feres (1)
J. Eduardo M. R. Sousa (1)
Amanda G. M. R. Sousa (1) - 关键词：Coronary artery disease ; Drug ; eluting stents ; Biolimus A9 ; Optical coherence tomography ; Interventional ultrasound ; Coronary angiography
- 刊名：The International Journal of Cardiovascular Imaging (formerly Cardiac Imaging)
- 出版年：2013
- 出版时间：June 2013
- 年：2013
- 卷：29
- 期：5
- 页码：977-988
- 全文大小：481KB
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27. Capodanno D, Prati F, Pawlowsky T, Cera M, La Manna A, Albertucci M et al (2009) Comparison of optical coherence tomography and intravascular ultrasound for the assessment of in-stent tissue coverage after stent implantation. EuroIntervention 5(5):538-43 [Epub 2010/02/10] CrossRef - 作者单位：Rodolfo Staico (1)
Marco A. Costa (2)
Daniel Chamié (2)
Hiram Bezerra (2)
Luciana V. Armaganijan (1)
Ricardo A. Costa (1)
José Ribamar Costa (1)
Dimytri Siqueira (1)
Marinella Centemero (1)
áurea Chaves (1)
Luiz Fernando Tanajura (1)
Alexandre Abizaid (1)
Fausto Feres (1)
J. Eduardo M. R. Sousa (1)
Amanda G. M. R. Sousa (1)
1. Dante Pazzanese Institute of Cardiology, Av Dante Pazzanese, 500, Vila Mariana, S?o Paulo, 04012-180, Brazil
2. Case Western Reserve University, Cleveland, OH, USA
文摘
First generation drug-eluting stents (DES) are associated with reduced in-stent restenosis but significant increased risk of very late stent thrombosis (VLST). The absence of polymer in DES systems may reduce the occurrence of VLST. Optic coherence tomography (OCT) has been used for stent analysis as a surrogate safety endpoint. This study aimed to assess the long-term follow up of strut apposition and tissue coverage of BioMatrix?DES by OCT. 20 patients undergoing BioMatrix?DES (n?=?15) or S-Stent?BMS (n?=?5) implantation were followed for at least 5?years and evaluated by quantitative coronary angiography, intravascular ultrasound, and OCT. The difference between the stent types was evaluated by nonparametric Mann–Whitney U test while categorical variables were evaluated by Fisher exact test. Rates of in-stent late loss were similar between groups [0.40 (0.21;0.77) vs. 0.68 (0.66; 0.82)?mm, p?=?0.205, for BioMatrix?and S-Stent? respectively]. The vessel, stent and lumen volumes did not differ between groups. Patients treated with BioMatrix?had significantly less stent obstruction [5.6 (4.4;9.7) vs. 28.6 (24.7;29.0)?%, p?=?0.001]. OCT analysis of 12 stents (Biomatrix???9 and S-Stent???3) demonstrated 126 (8.7?%) uncovered struts in the BioMatrix?group compared to 23 (4.0?%) in the S-Stent?group (p?=?0.297), being the majority of them well apposed (117/126 and 21/23, respectively, p?=?0.292). Only 9 (0.6?%) struts in the DES and 2 (0.4?%) struts in the BMS groups were simultaneously uncovered and malapposed (p?=?0.924). BioMatrix?DES was associated with lower rates of in-stent obstruction, and similar percentage of neointimal coverage on struts and of complete strut apposition.