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Thoracic endovascular aortic repair migration and aortic elongation differentiated using dual reference point analysis

机译:使用双参考点分析来分化胸内血管性主动脉修复迁移和主动脉伸长率

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Objective: We evaluated images of patients undergoing a thoracic endovascular aortic repair procedure using two reference points as a means for differentiating stent graft migration from aortic elongation. Conventional standards define migration of a stent graft as an absolute change in the distance from the distal graft ring to a distal landmark $ 10 mm compared with a baseline measurement. Aortic elongation occurs over time in both healthy individuals and patients with aortic disease. Aortic elongation in patients with stent grafts may result in increased distal thoracic aortic lengths over time. False-positive stent graft migration would be defined when these patients meet the standard definition for migration, even if the stent has not moved in relation to the elongating aorta.
机译:目的:我们评估了使用两个参考点作为分化主动脉伸长率的支架移植物迁移的手段的胸腔血管内主动脉修复程序的图像。 传统标准限定支架移植物的迁移,因为与基线测量相比远端移植环到远端地标的远端地标的距离的绝对变化。 在健康个体和主动脉疾病患者中随着时间的推移发生主动脉伸长率。 支架移植患者的主动脉伸长率可能导致远端胸主动脉长度随时间增加。 如果这些患者符合迁移的标准定义,则将定义假正支架移植迁移,即使支架没有与伸长的主动脉相对于伸长的主动脉均匀。

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