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心肌桥梁与非阻塞性心脏病的预后价值:长期随访研究
Zengfa Huang1, Beibei Cao2, Yang Yang3
1Department of Radiology, Tongji Medical College, The Central Hospital of Wuhan, Huazhong University of Science and Technology, 26 Shengli Avenue, Wuhan, 430014, Hubei, China. hzfz88@163.com.
Scientific reports
|August 2, 2025
概括
心肌桥架 (MB) 不能预测主要心血管不良事件 (MACE). 非阻塞性冠状动脉疾病 (CAD) 负担是没有阻塞性CAD的患者中MACE的主要风险因素.
科学领域:
- 心血管成像和诊断系统
- 干预心脏病学 干预心脏病学
- 临床风险分层的临床风险分层
背景情况:
- 心肌桥架 (MB) 是一种先天性异常,其中冠状动脉的片段穿过心肌.
- MB的临床意义,特别是其对长期心血管结果的预测价值,仍在争论中.
- 非阻塞性冠状动脉疾病 (CAD) 负担越来越被认为是不良事件的危险因素.
研究的目的:
- 调查心肌桥梁 (MB) 是否能提供超越与非阻塞性冠状动脉疾病 (CAD) 负担相关的长期心血管事件的预测价值.
- 评估MB和非阻塞性CAD负担对重大心血管不良事件 (MACE) 风险的独立贡献.
主要方法:
- 一项多中心研究涉及4176名疑似患有CAD的患者,这些患者接受了冠状动脉计算机断层扫描血管学 (CTA).
- 卡普兰-梅尔分析和考克斯回归模型被用于评估MB,非阻塞性CAD负担和MACE之间的关联,平均随访时间为6.04年.
- 调整为包括性别,年龄,吸烟,饮酒,高血压和糖尿病的共变量.
主要成果:
- 心肌桥架 (MB) 在44%的无CAD患者和40.5%的非阻塞性CAD患者中存在.
- 年化MACE率在患有和没有MB的患者之间是相似的 (1.07%对1.13%).
- 无论是MB深度还是长度都与MACE风险无关. 然而,在多变量调整后,2血管 (HR 1.53) 和3血管 (HR 1.93) 非阻塞性CAD显著预测了MACE.
结论:
- 非阻塞性冠状动脉疾病 (CAD) 的负担,而不是心肌桥梁 (MB) 的存在,是没有阻塞性CAD的患者未来主要不良心血管事件 (MACE) 的主要预测因素.
- 未来的研究应纳入生活质量测量和CT衍生分流储备 (CT-FFR) 以提高MB患者的风险分层.
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