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Investigation of ultrasonic chronic total occlusion system on a rabbit model

机译:兔模型超声慢性总闭塞系统研究

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Background/Aim: Advanced treatment options are needed in chronic total occlusion (CTO), which is a special subgroup of peripheral artery disease. Endothelial damage remains a problem in the endovascular treatment of peripheral artery CTO. In our study, this subgroup was examined with an ultrasonic total occlusion system for vascular endothelial damage on an animal model. Methods: We used twenty-four rabbits divided equally into three groups, created chronic total occlusion in the common iliac artery by applying a bioabsorbable polymer sponge, and waited four weeks for CTO formation. After four weeks, the samples obtained from the groups were examined histologically. Results: Significantly less endothelial damage was detected in the ultrasonic total occlusion system group compared to the directional atherectomy group (P0.05). Conclusion: Ultrasonic atherectomy minimizes thrombus load and causes minimal endothelial damage. These findings show that the ultrasonic atherectomy method can be successfully used in CTO treatment.
机译:背景/目的:在慢性总闭塞(CTO)中需要先进的治疗选择,这是外周动脉疾病的特殊亚组。内皮损伤仍然是外周动脉CTO血管内治疗的问题。在我们的研究中,通过超声波总闭塞系统检查该亚组,用于动物模型对血管内皮损伤。方法:我们使用二十四只兔子分为三组,通过施加生物可吸收的聚合物海绵,在普通髂动脉中产生慢性总闭塞,并为CTO形成等了四周。四周后,从组中获得的样品在组织学上检查。结果:与定向粥样格切除术(P <0.05)相比,超声波总闭塞系统组中检测到内皮损伤明显较小。结论:超声波粥切除术最小化血栓载荷,导致最小的内皮损伤。这些发现表明,超声波粥样化切除术方法可在CTO处理中成功使用。

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