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[Results of coronary stenting in relation to the length of an implanted stent].

The paper considers the impact of the length of an implanted stent on the early and late outcomes of intracoronary stenting. The study included 177 patients on a retrospective basis. They all underwent intracoronary stenting of 215 stenoses. All the patients were divided into three groups in relation to the length of an implanted segment (under 20 mm, 20-30 mm, and under 30 mm). In 16 (9.04%) of the 177 patients, for complete stenosis correction, several, but not one, stents were inserted, i.e. multiple stenting of a coronary stenting was performed. The stents were implanted by the conventional procedure. There was no significant difference in clinical and angiographic success rates between the patients of all three groups. There were no complications, such as transmural myocardial infarction and deaths in any groups. Acute stent thrombosis was noted only in 1 (1.8%). There was no significant difference in the incidence of subacute stent thrombosis between Groups 2 and 3 patients. No case of subacute thrombosis of implanted stents was noted in Group 1 patients. Thus, acute and subacute stent thromboses were observed in 4 (2.3%) patients, they being all from Groups 2 and 3. There was no significant difference in the development of restenosis between Groups 1 and 2 and Groups 2 and 3. At the same time, restenosis significantly more frequently developed in patients from Group 3 than in those from Group 1. Thus, the findings indicate that the length of a stented segment is an important factor that influence both early and late outcomes of intracoronary stenting.