Key result
In patients with chronic total coronary occlusions, the overall rate of drug-eluting stent thrombosis at 12 months was 1.4%, with minimal luminal diameter being the only independent predictor.
Why the study?
What is the incidence and what are the predictors of drug-eluting stent thrombosis in patients with chronic total coronary occlusions?
RCT (n=207)
What is the incidence and what are the predictors of drug-eluting stent thrombosis in patients with chronic total coronary occlusions?
The rate of drug-eluting stent thrombosis in patients with chronic total coronary occlusions is low (1.4%) and is independently predicted by a smaller minimal luminal diameter post-procedure.
Supports low DES thrombosis risk after CTO PCI; leaves open whether optimizing post-procedural MLD reduces events.
The aim of this study was to analyze the incidence of drug-eluting stent thrombosis (sirolimus or everolimus) in patients with chronic total coronary occlusions (CTO) and to determine its clinical implications and related factors. Data from the 12-month follow-up of the 207 patients included in the CIBELES trial with CTO were analyzed. Stent thrombosis occurred in three patients, two definite and one probable (overall thrombosis rate: 1.4%). However, there were no cases of death or Q-wave myocardial infarction. In univariate analysis, patients with a higher incidence of stent thrombosis were those in whom the target vessel was the left anterior descending, who had single-vessel disease, were assigned to treatment with sirolimus-eluting stents, and those with smaller minimum luminal diameter immediately after the procedure. In multivariate analysis, the only independent predictor of stent thrombosis was minimal luminal diameter immediately after the procedure. The rate of drug-eluting stent thrombosis in patients with CTO is relatively low (1.4%). The only independent predictor of stent thrombosis in this context was minimal luminal diameter after the procedure and the clinical presentation was in all cases relatively benign. o objetivo do nosso estudo foi analisar a incidência de trombose de stent com eluição de fármaco (sirolimus ou everolimus) em pacientes com oclusões coronárias crónicas e identificar as suas implicações clínicas e fatores relacionados. 12 meses de acompanhamento dos 207 pacientes incluídos no ensaio Cibeles com oclusão total coronária crónica. a trombose de stent ocorreu em três doentes: duas definitivas e uma provável (taxa global de trombose 1,4%). No entanto, não surgiu nenhum caso de morte ou enfarte do miocárdio com onda Q. Na análise univariada, os doentes com maior incidência de trombose de stent foram aqueles em que o vaso-alvo foi a descendente anterior, os que tinham a doença de um vaso, os que foram considerados para tratamento com stent com sirolimus, e aqueles com diâmetro luminal mínimo menor imediatamente após o procedimento. Na análise multivariada, o único preditor independente de trombose do stent foi o diâmetro luminal mínimo imediatamente após o procedimento. a taxa de trombose de stent farmacológico em pacientes com oclusão coronária crónica foi relativamente baixa (1,4%). O único preditor independente de trombose de stent neste contexto foi o diâmetro luminal mínimo após o procedimento, tendo a apresentação clínica em todos os casos sido relativamente benigna.
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Arroyo et al. (2015) conducted an RCT in Chronic total coronary occlusions (CTO) (n=207). Drug-eluting stents (sirolimus or everolimus) was evaluated on Stent thrombosis. In patients with chronic total coronary occlusions, the overall rate of drug-eluting stent thrombosis at 12 months was 1.4%, with minimal luminal diameter being the only independent predictor.
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