Impact of coexisting multivessel coronary artery disease on short-term outcomes and long-term survival of patients treated with carotid stenting

Josef Veselka, Miloslav Špaček, Martin Horváth, Cyril Štěchovský, Ingrid Homolová, Petra Zimolová, Petr Hájek, Josef Veselka, Miloslav Špaček, Martin Horváth, Cyril Štěchovský, Ingrid Homolová, Petra Zimolová, Petr Hájek

Abstract

Introduction: Systemic atherosclerosis can result in both coronary artery disease (CAD) and carotid artery disease. Recently it has been shown that patients with CAD have a higher incidence of microembolization during carotid artery stenting (CAS), and it has been hypothesized that they could be at higher risk in this intervention.

Material and methods: We retrospectively evaluated an institutional registry with 437 consecutive patients who underwent coronary angiography and CAS to evaluate their short-term outcomes and long-term survival with regard to the presence of coexisting multivessel coronary artery disease (MVD).

Results: We performed 220 CAS procedures in MVD patients and 318 CAS procedures in non-MVD patients. The incidence of in-hospital CAS-related adverse events was 2.7% and 2.5% in the MVD and non-MVD groups, respectively (p = 0.88). At 30 days, there was no significant difference between the groups in terms of the number of patients with adverse events (hierarchically death/stroke/myocardial infarction; 8.8% vs. 5.5%; p = 0.18). The median duration of follow-up was 4.23 years. Survival free of all-cause mortality at 1, 3 and 5 years was 90% (95% CI: 86-94%), 79% (95% CI: 73-85%) and 70% (95% CI: 64-77%), and 92% (95% CI: 89-95%), 85% (95% CI: 80-90%) and 76% (95% CI: 70-82%) for the MVD and non-MVD groups (p = 0.02), respectively.

Conclusions: These results suggest that patients with MVD combined with carotid artery disease are probably not at higher risk of early post-CAS adverse clinical events, but they have significantly worse long-term survival rates.

Keywords: carotid disease; stenting; survival.

Figures

Figure 1
Figure 1
Kaplan-Meier survival curves for all-cause mortality in patients after carotid stenting with and without multivessel coronary artery disease (MVD)

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