Stabilization of the Abdominal Aorta During the Cardiac Cycle with the Sac-Anchoring Nellix Device.

Stabilization of the Abdominal Aorta During the Cardiac Cycle with the Sac-Anchoring Nellix Device.
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DOI:
10.1016/j.avsg.2018.02.039
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发表时间:
2018-10
影响因子:
1.5
通讯作者:
Cheng CP
Cheng CP
中科院分区:
医学4区
文献类型:
--
作者:
Itoga NK;Suh GY;Cheng CP

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Nellix器械使用聚合物填充的内镜袋来稳定腹主动脉瘤(AAA)囊,称为血管内动脉瘤密封(EVAS)。我们分析了四名患者的EVAS修复AAA的心脏门控CTA扫描,以评价几何形状和心脏脉动性诱导的变形。在心动周期期间,发现移植物平移和主动脉曲率变化极小。在心动周期内,肾-主动脉角的平均±SD变化(1.0±0.9°)小于SMA-主动脉角的变化(4.0±2.1°)(P<0.01),表明更靠近器械的内脏分支更稳定。这些发现证实了腹主动脉在使用EVAS的心动周期期间的稳定性。
The Nellix device utilizes polymer filled endobags to stabilize the abdominal aortic aneurysm (AAA) sac described as endovascular aneurysm sealing (EVAS). We analyzed cardiac gated CTA scans of repaired AAA with EVAS in four patients to evaluate geometry and cardiac pulsatility-induced deformation. Graft translation and aortic curvature changes were found to be minimal during the cardiac cycle. The mean±SD changes in renal-aorta angles (1.0±0.9°) were less than the changes in the SMA-aorta angle (4.0±2.1°) (P<0.01), during the cardiac cycle, demonstrating greater stabilization of the visceral branches closer to the device. These findings confirm stabilization of the abdominal aorta during the cardiac cycle using EVAS.
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