双体和三体严重大动脉狭窄症之间的严重程度和预后差异
Taiji Okada1, Takeshi Kitai2, Takeshi Morimoto3
1Department of Cardiovascular Medicine, Kobe City Medical Center General Hospital, Kobe, Japan.
JACC. Advances
|November 1, 2025
概括
与三主动脉 (TAV) 患者相比,双主动脉 (BAV) 患者表现出明显的血液动力学特征,死亡率较低. 针对BAV进行量身定制的评估可以改善预后和治疗策略.
科学领域:
- 心脏病学 心脏病学
- 心脏外科手术 心脏外科手术
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
背景情况:
- 双主动脉 (BAV) 是一种常见的先天性心脏缺陷,导致主动脉狭窄 (AS).
- 目前的AS管理策略不区分BAV和三主动脉 (TAV) 的病因.
- 这一区别至关重要,因为BAV可能具有独特的血液动力学特征和长期结果.
研究的目的:
- 调查BAV和TAV之间的AS严重程度评估中的心声学差异.
- 为了比较BAV和TAV患者之间的长期临床结果,包括全因死亡率.
主要方法:
- 从CURRENT AS注册表中对3815名严重AS患者进行了后期分析.
- 在BAV和TAV组之间比较心声学参数和临床结果.
- 敏感性分析包括倾向性得分匹配和BAV与TAV的危险比率估计.
主要成果:
- 与TAV患者相比,BAV患者的最大大动脉喷流速度和平均压力梯度较高,但大动脉膜面积相似.
- 不一致的AS严重程度分级在BAV中较少发生.
- 在BAV患者 (6.5%) 与TAV患者 (45.9%) 中,五年全因死亡率显著降低,在匹配的队列中证实了生存益处 (HR:0.46).
结论:
- 与三主动脉患者相比,双主动脉患者具有独特的血液动力学特征.
- 目前的心声回声评估可能低估了BAV的AS严重程度.
- 制定针对BAV的定制评估标准对于优化预后和治疗策略至关重要.
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