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IVUS-Guided vs Angiography-Guided PCI in Patients With Diabetes With Acute Coronary Syndromes: The IVUS-ACS Trial.
JACC: Cardiovascular Interventions ( IF 11.7 ) Pub Date : 2024-10-19 , DOI: 10.1016/j.jcin.2024.09.061
Xiaofei Gao,Jing Kan,Zhiming Wu,Mohammad Anjun,Xiang Chen,Jing Chen,Imad Sheiban,Gary S Mintz,Jun-Jie Zhang,Gregg W Stone,Shao-Liang Chen,

BACKGROUND Intravascular ultrasound (IVUS)-guided percutaneous coronary intervention (PCI) reduces the risk for clinical events in patients with acute coronary syndromes (ACS), compared with angiographic guidance. However, the benefits of IVUS guidance in high-risk patients with diabetes with ACS is uncertain. OBJECTIVES The aim of this prespecified stratified subgroup analysis from the IVUS-ACS randomized trial was to determine the effectiveness of IVUS-guided PCI vs angiography-guided PCI in patients with diabetes with ACS. METHODS From August 20, 2019, to October 27, 2022, 1,105 patients with diabetes with ACS were randomized, including 554 patients in the IVUS-guided group and 551 in the angiography-guided group. The primary endpoint was the rate of target vessel failure (TVF) at 1 year, defined as the composite of cardiac death, target vessel myocardial infarction, or clinically driven target vessel revascularization. RESULTS At 1-year follow-up, TVF occurred in 20 patients in the IVUS guidance group and in 46 patients in the angiographic guidance group (Kaplan-Meier rates 3.6% vs 8.3%; HR: 0.46; 95% CI: 0.27-0.81; P = 0.007), driven by a reduction in clinically driven target vessel revascularization (0.9% vs 3.8%; P = 0.003). IVUS-guided PCI also reduced the risk for TVF without procedural myocardial infarction (2.0% vs 6.7%; HR: 0.29; 95% CI: 0.15-0.57; P < 0.001) and all-cause mortality (HR: 0.30; 95% CI: 0.10-0.93; P = 0.037). There were no significant differences in the rates of stent thrombosis or major bleeding between the groups. CONCLUSIONS In the large-scale IVUS-ACS trial, IVUS-guided PCI improved 1-year clinical outcomes in high-risk patients with diabetes with ACS. (1-Month vs 12-Month DAPT for ACS Patients Who Underwent PCI Stratified by IVUS: IVUS-ACS and ULTIMATE-DAPT Trials; NCT03971500).

中文翻译:


IVUS 引导与血管造影引导的 PCI 治疗糖尿病伴急性冠脉综合征患者:IVUS-ACS 试验。



背景 与血管造影引导下相比,血管内超声 (IVUS) 引导下的经皮冠状动脉介入治疗 (PCI) 可降低急性冠状动脉综合征 (ACS) 患者发生临床事件的风险。然而,IVUS 指导对 ACS 高危糖尿病患者的益处尚不确定。目的 来自 IVUS-ACS 随机试验的这项预先指定的分层亚组分析的目的是确定 IVUS 引导的 PCI 与血管造影引导的 PCI 对糖尿病合并 ACS 患者的有效性。方法 2019年8月20日至2022年10月27日,随机纳入1,105例糖尿病合并ACS患者,其中IVUS引导组554例,血管造影引导组551例。主要终点是 1 年靶血管衰竭 (TVF) 的发生率,定义为心源性死亡、靶血管心肌梗死或临床驱动的靶血管血运重建的复合。结果 在 1 年随访中,IVUS 引导组 20 例患者和血管造影引导组 46 例患者发生 TVF (Kaplan-Meier 率 3.6% vs 8.3%;心率:0.46;95% CI:0.27-0.81;P = 0.007),这是由于临床驱动的靶血管血运重建减少 (0.9% vs 3.8%;P = 0.003)。IVUS 引导下的 PCI 还降低了无手术性心肌梗死的 TVF 风险 (2.0% vs 6.7%;心率:0.29;95% CI:0.15-0.57;P < 0.001) 和全因死亡率 (HR: 0.30;95% CI: 0.10-0.93;P = 0.037)。两组之间支架内血栓形成或大出血的发生率无显著差异。结论 在大规模 IVUS-ACS 试验中,IVUS 引导的 PCI 改善了高危糖尿病合并 ACS 患者的 1 年临床结局。 (接受 IV 分层 PCI 的 ACS 患者的 1 个月与 12 个月 DAPT:IVUS-ACS 和 ULTIMATE-DAPT 试验;NCT03971500)。
更新日期:2024-10-19
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