体外头对头比较纤维和非纤维可推动线圈的流量减少情况

IF 1.2 Q4 CLINICAL NEUROLOGY
Neurointervention Pub Date : 2024-03-01 Epub Date: 2024-02-20 DOI:10.5469/neuroint.2024.00031
Jong-Tae Yoon, Boseong Kwon, Joon Ho Choi, Sun Moon Hwang, Mihyeon Kim, Sungbin Hwang, Yunsun Song, Deok Hee Lee
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引用次数: 0

摘要

目的:在体外台式实验中比较非纤维可推线圈与传统纤维可推线圈的栓塞效果:使用一个简化的血管模型,该模型有 4 个通道(1 个用于非纤维线圈,1 个用于纤维线圈,2 个用于连续电路流)。插入一个最长的线圈以评估单线圈栓塞的效果,连续插入 3 个线圈以评估多线圈栓塞的效果。栓塞后进行血管造影,通过时间密度曲线获得血流变量(达峰时间[TTP]、相对峰值强度[rPI]和血管造影血流减少评分[AFRS])。计算了两种线圈的堆积密度,并用 TTP 除以 rPI 得出了每个通道的 AFRS:结果:插入单个线圈时,传统纤维线圈能更好地减少血流,AFRS 较高(25.6 对 17.4,P=0.034)。不过,无纤维线圈的堆积密度明显更高(12.9 对 2.4,P=0.001)。多个线圈也观察到类似的趋势:结论:传统的纤维可推线圈具有更好的减流效率,而非纤维可推线圈具有更高的堆积密度,这可能是由于线圈环的灵活性。更好地了解不同可推动线圈的不同特性可提高各种血管栓塞的效果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
In Vitro Head-to-Head Comparison of Flow Reduction between Fibered and Non-Fibered Pushable Coils.

Purpose: To compare the embolization effects of a non-fibered pushable coil with a conventional fibered pushable coil in an in vitro bench-top experiment.

Materials and methods: A simplified vascular phantom with 4 channels (1 for the non-fibered coil, 1 for the fibered coil, and 2 for continuous circuit flow) was used. A single coil of the longest length was inserted to evaluate the effect of single-coil embolization, and 3 consecutive coils were inserted to assess the effect of multiple-coil embolization. Post-embolization angiography was performed to obtain flow variables (time to peak [TTP], relative peak intensity [rPI], and angiographic flow reduction score [AFRS]) from time density curves. The packing densities of the two coil types were calculated, and the AFRS of each channel was determined by dividing the TTP by the rPI.

Results: When inserting a single coil, the conventional fibered coil demonstrated better flow reduction, as indicated by a higher AFRS (25.6 vs. 17.4, P=0.034). However, the non-fibered coil exhibited a significantly higher packing density (12.9 vs. 2.4, P=0.001). Similar trends were observed with multiple coils.

Conclusion: The conventional fibered pushable coil showed better flow reduction efficiency, while the non-fibered pushable coil had a higher packing density, likely due to the flexibility of the coil loops. A better understanding of the distinct characteristics of different pushable coils can enhance the outcomes of various vascular embolization.

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来源期刊
CiteScore
1.80
自引率
0.00%
发文量
34
审稿时长
12 weeks
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