Magnetic Particle Imaging: Visualization of Instruments for Cardiovascular Intervention
Magnetic Particle Imaging: Visualization of Instruments for Cardiovascular Intervention
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DOI：
10.1148/radiol.12120424
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发表时间：
2012-12-01
期刊：
影响因子：
19.7
通讯作者：
Vogt, Florian M.
中科院分区：
文献类型：
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作者：
Haegele, Julian;Rahmer, Juergen;Vogt, Florian M.
用途：目的：探讨磁粒子成像（MPI）引导下不同仪器可视化方法在心血管介入治疗中的可行性。材料与方法：采用两种球囊导管（经皮腔内血管成形术）。用稀释的超顺磁性氧化铁（SPIO）ferucarbotran（每升25 mmol铁）或氯化钠填充球囊。将两种导管插入血管体模中，该血管体模用氯化钠或稀释的SPIO（25 mmol铁/L）填充球囊内容物。此外，记录了1.4 mL纯SPIO（500 mmol铁/L）推注，然后通过SPIO标记的球囊导管向氯化钠填充的血管体模中注入5 mL氯化钠。使用临床前MPI演示仪记录图像。所有图像均使用3.6 × 3.6 × 2.0 cm的视野采集。结果：通过使用MPI，两种球囊导管均可以高时间（每幅图像21.54 msec）和足够的空间（
Purpose: To evaluate the feasibility of different approaches of instrument visualization for cardiovascular interventions guided by using magnetic particle imaging (MPI).Materials and Methods: Two balloon (percutaneous transluminal angioplasty) catheters were used. The balloon was filled either with diluted superparamagnetic iron oxide (SPIO) ferucarbotran (25 mmol of iron per liter) or with sodium chloride. Both catheters were inserted into a vessel phantom that was filled oppositional to the balloon content with sodium chloride or diluted SPIO (25 mmol of iron per liter). In addition, the administration of a 1.4-mL bolus of pure SPIO (500 mmol of iron per liter) followed by 5 mL of sodium chloride through a SPIO-labeled balloon catheter into the sodium chloride-filled vessel phantom was recorded. Images were recorded by using a preclinical MPI demonstrator. All images were acquired by using a field of view of 3.6 x 3.6 x 2.0 cm.Results: By using MPI, both balloon catheters could be visualized with high temporal (21.54 msec per image) and sufficient spatial (