破裂和未破裂的内动脉瘤的血液动力学特征:使用动脉瘤流工具进行前性队列研究
Dang Luu Vu1,2, Van Hoang Nguyen1, Huu An Nguyen3,4
1From the Radiology Center (D.L.V., V.H.N., H.A.N., Q.A.N, A.T.T., H.K.L., Tat T.N., Thu T.N., C.T., X.B.T., C.C.L.), Bach Mai Hospital, Hanoi, Vietnam.
AJNR. American journal of neuroradiology
|August 12, 2024
概括
内动脉瘤 (IA) 中复杂的血流模式与破裂风险有关. 圆顶和子囊中的较低平均动脉瘤流动幅度 (MAFA) 表明墙壁变化导致破裂. 高血压,分叉位置和不规则的形状也增加了IA破裂的风险.
科学领域:
- 脑血管疾病研究研究
- 医学成像和计算流体动力学
- 神经外科和干预性放射学.
背景情况:
- 内动脉瘤 (IAs) 具有重大风险,破裂导致严重后果.
- 目前的风险评估主要依赖于临床,解剖和形态因素.
- 血液动力学力量在IA的发展,进展和破裂中至关重要.
研究的目的:
- 为了研究破裂和未破裂IA之间的明显的血液动力学特征.
- 为了确定与IA破裂相关的特定血液动力学参数.
- 使用先进的计算工具来比较血液动力学概况.
主要方法:
- 从2021年7月到2022年7月,对127名破裂和未破裂IA患者进行前性队列研究.
- 利用数字减去血管学 (DSA) 和动脉瘤流工具进行血液动力学评估.
- 在IA组之间比较血液动力学,临床,解剖学和形态学参数.
主要成果:
- 复杂的流动模式 (类型3和4) 在破裂的IA中明显更频繁 (OR,5.57;P < .001).
- 平均动脉瘤流动幅度 (MAFA) 在破裂的IA中较低,特别是在圆顶/女儿囊中,表明潜在的壁病理.
- 高血压,分叉位置和不规则的形状独立地与破裂风险增加有关.
结论:
- 在IA的特定区域中,复杂的流动模式和减少的MAFA与断裂有关.
- 使用AneurysmFlow进行血液动力学评估为IA病理生理学提供了宝贵的见解.
- 临床因素如高血压和解剖特征如不规则的形状仍然是IA破裂的关键独立预测因素.
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