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甲型大动脉剖析中的先天性缺陷大动脉:其频率和后果
Kyle A McCullough1, John B Eisenga1, J Michael DiMaio2
1Department of Cardiovascular Research, Baylor Scott & White Research Institute, Plano, Texas.
The American journal of cardiology
|November 23, 2024
概括
先天性异形的大动脉,如单 (UAV) 和双 (BAV) 大动脉,在经历急性A型大动脉剖析的患者中明显更常见. 这些患者经常出现大动脉根动脉瘤和近道入口撕裂.
科学领域:
- 心血管外科心血管外科
- 心脏病理学心脏病理学
- 医学遗传学 医学遗传学
背景情况:
- 先天性大动脉缺陷,包括单 (UAV) 和双 (BAV) 大动脉,影响大约1%的人口.
- 这些门异常被认为是大动脉剖析的潜在危险因素.
- 了解大动脉形态与大动脉剖析之间的关联对于风险分层和风险管理至关重要.
研究的目的:
- 研究自发性,急性A型大动脉剖析患者先天性大动脉缺陷的患病率和临床影响.
- 为了比较正常与异常的大动脉门患者的大动脉剖析的特征和结果.
主要方法:
- 在134名急性A型大动脉剖析患者的临床和手术发现的回顾性分析.
- 大动脉形态的分类 (正常,BAV,UAV).
- 人口统计数据的比较,perfusion分类,大动脉根尺寸,入口撕裂位置和组之间的组织学发现.
主要成果:
- 异常的大动脉 (BAV或UAV) 存在于A型大动脉剖析患者的8%,与普通人群相比增加了8倍.
- 患有UAV/BAV的患者患上大动脉根动脉瘤的发病率更高 (64%vs18%) 和大动脉根径更大.
- 在UAV/BAV组中,入口撕裂更频繁地位于近位区域0 (91%对62%).
- 系统性高血压在UAV/BAV组中较少发生.
结论:
- 先天性大动脉缺陷与急性A型大动脉剖析有显著的关联.
- 大动脉根动脉瘤和近道入口撕裂位置在UAV/BAV和大动脉剖析患者中更为常见.
- 这些发现强调了评估大动脉形态在患有大动脉剖析的患者的重要性.
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