通过近红外光谱检测和血管内超声波成像检测识别患者和易受未来冠状动脉事件影响的斑块:前性队列研究
Ron Waksman1, Carlo Di Mario2, Rebecca Torguson1
1MedStar Washington Hospital Center, Washington, DC, USA.
Lancet (London, England)
|October 2, 2019
概括
近红外光谱 (NIRS) 血管内超声波成像可以识别与未来冠状动脉事件相关的脂质丰富斑块 (LRPs). 这项技术有助于检测易受伤害的患者和斑块,改善心血管风险评估.
科学领域:
- 心脏病学
- 医学成像
- 生物医学工程
背景情况:
- 通过NIRS血管内超声成像检测到的富含脂质斑块 (LRPs) 与急性冠状动脉综合征有关.
- 这些事件可能导致重血管或心脏死亡.
- 识别LRP对于预测未来的冠状动脉事件至关重要.
研究的目的:
- 通过NIRS- 血管内超声成像检测到的LRP和随后的冠状动脉事件之间的关系.
- 评估最大4毫米脂质核负荷指数 (maxLCBI4mm) 的预测价值,以确定非主因重大心血管不良事件 (NC-MACE).
- 评估NIRS血管内超声成像在识别高风险患者和斑块段中的安全性和实用性.
主要方法:
- 一项前性队列研究,涉及来自多个国家的44个医疗中心的1563名患者.
- 怀疑冠状动脉疾病的患者接受了非罪祸首部分的NIRS静脉内超声波成像.
- 在24个月的随访期内分析了maxLCBI4mm和NC-MACE之间的关联.
主要成果:
- 两年累计发生的NC-MACE为9% (n=103).
- 较高的maxLCBI4mm值与患者和斑块水平的NC- MACE风险增加有显著的关联.
- 患者maxLCBI4mm> 400显示NC- MACE的风险明显更高.
结论:
- 通过NIRS静脉超声成像,可以安全有效地识别患有随后NC-MACE风险较高的患者和细分群.
- 这种成像模式在临床实践中为检测易受伤害的患者和斑块提供了宝贵的工具.
- 血管内超声波成像增强了心血管风险分层的武器.
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