Efficacy and safety of the TAIS coronary stent implantation: nine monthmuticenter study

Abstract

Aim. Assessment of clinical and angiographic results of a balloon-expandable steel matrix stent TAIS
in patients with atherosclerosis of the coronary arteries with no history of previous interventions in the
course of an open non-randomized multicenter trial.
Material and methods. The TAIS stent was implanted in 187patients into 199 stenoses. 47% patients
had clinical manifestations of unstable angina pectoris. 29% cases were complicated. The length of the
stenoses reached 11.3 ± 5.4 mm, 22% stenoses were prolonged.
Results. This coronary stenting was effective in 100% cases, neither acute nor subacute thromboses
were seen. Myocardial infarction without occlusion of the stent developed in 3 patients. The incidence
of cardial complications (death, angina, restenosis, repeated revascularization) in 6 month follow-up
was 11.8%. An angiographic control in 6 months was made in 184 patients (194 stenoses). The vascular
diameter loss index was 0.40 ± 0.21, a restenosis level - 10.7%. A logistic regression analysis has
revealed significant correlations between the length of the stent and a target vascular diameter with
subsequent restenosis. Repeated revascularization was performed in all the patients with stent restenosis.
After control angiography cardiac complications developed in 13.9% patients. Nine month follow-up
registered cardiac complications in 17.6% cases.
Conclusion. The TAIS stent was found effective in prevention of thrombosis and restenosis in patients
with a relatively high risk of intervention

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Copyright (c) 2021 Samko A.N., Belenkov Y.N., Batyraliev T.A., Pershukov I.V., Niyazova-Karben Z.A., Sercelik A., Calenici O., Karaus A., Guler N., Eryonucu В., Kadayifci S., Temamogullari A., Ozgul S., Akgul F., Levitsky I.V., Besnili F., Sozykin A.V., Arful F., Jamgyrchiev S.Т., Tiryaki В., Daniyarov B.S., Demirbas O., Sengul H.

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