大动脉延长 - - 衰老和腹腔大动脉动脉瘤的影响
Shiba Younus1, Chiara Trenti2, Magnus Ziegler2
1Department of Cardiology in Linköping, Linköping, Sweden; Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden.
Annals of vascular surgery
|November 16, 2025
概括
腹腔大动脉瘤 (AAA) 与下大动脉的病理延长有关,增加了大动脉的总长度. 这种延长可能会导致破裂风险超过动脉瘤直径.
科学领域:
- 心血管研究研究心血管研究
- 医疗成像医学成像
- 主动脉疾病 主动脉疾病
背景情况:
- 高大的大动脉直径和长度增加胸前大动脉动脉瘤破裂的风险.
- 腹腔大动脉动脉瘤 (AAA) 对下大动脉延长和破裂风险的影响尚不清楚.
- 衰老有助于大动脉延长,但细分贡献不清楚.
研究的目的:
- 为了研究AAA和衰老对细分和总大动脉长度的影响.
- 为了确定AAA患者的大动脉长度增加是否与更高的破裂风险相关.
主要方法:
- 在22名AAA患者和45名对照组 (23名老年人,23名年轻人) 进行了全大动脉对比增强磁共振血管造影 (CE-MRA).
- 六个地标被注释为计算大动脉总长度和七个子段.
- 用年龄和性别匹配的对照进行了比较.
主要成果:
- 大动脉的总长度在AAA患者中明显大 (57.9厘米) 比老年人对照 (55.1厘米) (P=0.035).
- 下细分是AAA患者延长的主要原因 (14.7厘米对照组11.9厘米,P<0.001).
- 与年轻对照组 (47.8厘米) 相比,老年对照组显示大动脉总长度增加 (55.1厘米),上升大动脉和大动脉门的显著增加.
结论:
- AAA与病理性下大动脉延长有关,导致与老年人对照相比,大动脉总长度增加.
- 需要进一步的研究来确定这种延长是否会增加AAA破裂风险超过动脉瘤直径.
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