在急性A型大动脉剖析时,上升大动脉直径的性别差异
Catherine M Wagner1, Prabhvir S Marway2,3, Meganne N Ferrel1
1Cardiac Surgery, University of Michigan-Ann Arbor, Ann Arbor, Michigan, USA.
Heart (British Cardiac Society)
|October 13, 2025
概括
患有急性A型大动脉解剖 (ATAAD) 的女性的大动脉直径较小,但当考虑身体尺寸时,这种差异消失了. 在女性上升大动脉动脉瘤修复方面,指南可能需要考虑身体尺寸.
科学领域:
- 心血管外科心血管外科
- 大动脉疾病 大动脉疾病
- 医学指导方针 医学指导方针
背景情况:
- 目前关于上升大动脉动脉瘤的预防性修复的指导方针不包括基于性别的差异.
- 新出现的证据表明,与男性相比,女性可能会在较小的大动脉直径的急性A型大动脉解剖 (ATAAD) 发生.
研究的目的:
- 在被诊断患有ATAAD的患者中调查上升大动脉直径的潜在基于性别的差异.
- 为了确定女性在较小的绝对或身体大小指数大动脉直径时是否出现ATAAD.
主要方法:
- 在2011年至2023年期间,对413名接受自发ATAAD修复的成年患者进行了回顾性分析.
- 使用计算机断层扫描 (CT) 测量上升的大动脉直径,并以身高和身体表面积 (BSA) 进行索引.
- 使用多变量回归模型来评估女性性别与大动脉直径之间的关联,并根据年龄,并发病症和身体尺寸进行调整.
主要成果:
- 妇女占研究队列的35.4%,年龄较大,身高较小,BSA.
- 在剖析时,女性的绝对上升大动脉直径较小 (46.6毫米与48.5毫米).
- 然而,女性有较大的大动脉直径与高度 (28.7 mm/m vs 27.2 mm/m) 和BSA (25.7 mm/m2 vs 22.97 mm/m2) 相比.
- 女性性别与较小绝对大动脉直径之间的关联在调整身高和BSA后不再显著.
结论:
- 女性性别与ATAAD有关,ATAAD发生在较小的绝对大动脉直径.
- 这种关联是由于女性的体型较小而解释的,因为当大动脉直径与身高和BSA进行索引时,它会消失.
- 这些发现表明,对于上升大动脉动脉瘤修复的性别特定或身体大小调整的指导方针可能是必要的,以防止女性出现并发症.
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