Timing of Complete Multivessel Revascularization in Acute Coronary Syndrome: 2-Year Results of the BIOVASC Study
- PMID: 39722269
- DOI: 10.1016/j.jcin.2024.09.058
Timing of Complete Multivessel Revascularization in Acute Coronary Syndrome: 2-Year Results of the BIOVASC Study
Abstract
Background: In patients with acute coronary syndromes (ACS) and multivessel coronary disease, immediate complete revascularization was noninferior to staged complete revascularization for the primary composite outcome at 1 year. The authors report clinical outcomes at 2 years of follow-up.
Methods: Patients with ACS and multivessel coronary disease were randomly assigned to immediate complete revascularization or to staged complete revascularization at 29 sites in Europe. The primary outcome was the composite of all-cause mortality, myocardial infarction, any unplanned ischemia-driven revascularization, and cerebrovascular event.
Results: In total, 764 patients were enrolled and randomly allocated to the immediate complete revascularization arm and 761 to the staged complete revascularization arm. Two-year follow-up was complete for 97.6% of patients. At 2 years, the primary outcome had occurred in 12.5% of patients in the immediate complete revascularization group and 12.4% of patients in the staged complete revascularization group (HR: 0.98; 95% CI: 0.73-1.30; P = 0.88). Myocardial infarction occurred more frequently in the staged complete revascularization group (6.2% vs 3.8%; HR: 0.60; 95% CI: 0.37-0.96; P = 0.032). In the immediate complete revascularization and staged complete revascularization groups, the rates of all-cause mortality (3.3% vs 2.0%; HR: 1.67; 95% CI: 0.88-3.16; P = 0.12), any unplanned ischemia-driven revascularization (7.0% vs 7.9%; HR: 0.87; 95% CI: 0.60-1.26; P = 0.57), and cerebrovascular event (2.5% vs 1.7%; HR: 1.39; 95% CI: 0.68-2.83; P = 0.37) were not significantly different.
Conclusions: In patients with ACS and multivessel disease, there was no significant difference between immediate complete revascularization and staged complete revascularization with respect to the composite outcome of all-cause mortality, myocardial infarction, any unplanned ischemia-driven revascularization, and cerebrovascular event at 2 years. Immediate complete revascularization was associated with a significant reduction in myocardial infarction, mainly due to fewer early events. (Direct Complete Versus Staged Complete Revascularization in Patients Presenting With Acute Coronary Syndromes and Multivessel Disease [BioVasc]; NCT03621501).
Keywords: acute coronary syndrome(s); immediate complete revascularization; multivessel disease; staged complete revascularization.
Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.
Conflict of interest statement
Funding Support and Author Disclosures Biotronik provided an unrestricted research grant. Dr Diletti has received institutional research grants from Biotronik, Medtronic, ACIST Medical Systems, and Boston Scientific. Dr den Dekker has received institutional research grants from Biotronik. Dr Van Mieghem has received institutional research grants from Biotronik, Abbott, Medtronic, Edwards Lifesciences, PulseCath, Abiomed, and Daiichi-Sankyo; has received speaker fees from Abiomed and Amgen; and has received a travel grant from JenaValve. Dr Bennett has received institutional grants from Biotronik, Abbott Vascular, and Shockwave Medical. All other authors have reported that they have no relationships relevant to the contents of this paper to disclose.
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