Short- and long-term outcomes after implantation of coronary stent "EPHESOS" in patients with stable or unstable angina


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Abstract

Aim. An open non-randomized trial was initiated to assess clinical and angiographic results of using the coronary stent "Ephesos" in 457patients with stable or unstable angina pectoris and native coronary affections.
Material and methods. 268 stents have been implanted in 231 patients with stable angina (SA) and 271 stents - in 226 patients with unstable angina (UA). 46% lesions were complicated. The length of stenosis was 12.9 ± 6.7 mm in the group SA and 14.1 ± 7.4 mm in the group UA, 30%? stenoses were long.
Results. Successful stenting was stated in 99%, without cases of acute thrombosis. Non-fatal myocardial infarction took place in hospital in 1.3% of SA patients and in 2.6% of UA patients. Incidence of cardiac complications (death, recurrent angina pectoris, myocardial infarction, restenosis, repeated revascularization) for 6-month follow-up was 15.6% in SA group and 18.1% in UA group. At angiographic control, the index of vascular diameter loss made up 0.22 ±0.2 in SA group and 0.3 ± 0.27 in UA group. Incidence of restenosis was 12 and 14%, respectively. 18-month follow-up found no differences in frequency of complications: 21.6 and 22.6%, in groups SA and UA, respectively. Conclusion. Implantation of the stent "Ephesos" is effective in prevention of thrombosis and restenosis in patients with stable or unstable angina pectoris at high risk of intervention.

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