The influence of stent length on clinical and angiographic outcome in patients undergoing elective stenting for native coronary artery lesions - Final results of the Magic 5L Study

被引:36
作者
Foley, DP [1 ]
Pieper, M [1 ]
Wijns, W [1 ]
Suryapranata, H [1 ]
Grollier, G [1 ]
Legrand, V [1 ]
de Scheerder, I [1 ]
Hanet, C [1 ]
Puel, J [1 ]
Mudra, H [1 ]
Bonnier, HJRM [1 ]
Colombo, A [1 ]
Thomas, M [1 ]
Probst, P [1 ]
Morice, MC [1 ]
Kleijne, J [1 ]
Serruys, PW [1 ]
机构
[1] Acad Hosp Rotterdam, Thoraxctr, NL-3015 GD Rotterdam, Netherlands
关键词
long lesions; Magic Wallstent; restenosis; quantitative coronary angiography; multicentre trial;
D O I
10.1053/euhj.2001.2752
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Aims To prospectively evaluate the influence of stent length on 6 month clinical and angiographic outcome, in patients with native coronary lesions up to 45 mm in length, undergoing elective Magic Wallstent implantation, Methods and Results On the basis of pre-procedural angiography, 276 patients (aged 61.3 +/- 10.2 years; 78.6% male; 41.7% unstable angina) with a total of 302 lesions were prospectively assigned to one of five different length categories of Magic Wallstent. Angiography in multiple matched projections before and after implantation and at 6 months follow-up was analysed at the core laboratory. Primary end-points for the efficacy analysis were cumulative incidence of major adverse cardiac events and quantitative coronary angiography analysis 6 months after stent implantation. Magic Wallstent implantation was successful in 301 of 302 lesions and in 98.6%. a residual stenosis <20% by online quantitative coronary angiography was achieved. At 30 days, 6.2%. (1.8% subacute occlusion) of patients had experienced major adverse cardiac events, 27.5%, at 6 months and 30.4% at 9 months. Angiographic restenosis occurred in 37%, Restenosis rates for the mini, extra-short, short, medium and long Wallstent groups were 25.9%, 25%, 22.6%, 36.2% and 67.5%, respectively. Multivariate analysis revealed stent length to be independently associated with greater angiographic restenosis and major adverse cardiac events. Conclusions While shorter Magic Wallstents provided late outcomes comparable with short balloon-expandable stents, excessive restenosis with longer Wallstents should obviate their use in elective percutaneous intervention. Long coronary lesions provide a challenging substrate for emerging antirestenosis therapies, such as stent coatings and brachytherapy. (Eur Heart J 2001; 22: 1585-1593, doi:10.1053/euhj.2001. 2752) (C) 2001 The European Society of Cardiology.
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页码:1585 / 1593
页数:9
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