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用加多皮克伦醇减少剂量:对DSC输血成像的影响

Alexey Samsonov¹, Mohamed Shaif Yusufishaq¹, Seth Arntz¹

¹From the Departments of Radiology (A.S., M.S.Y., S.A., A.F.), Medical Physics (A.S.), University of Wisconsin School of Medicine and Public Health, Madison, WI.

AJNR. American journal of neuroradiology

|February 23, 2026

概括

与gadobenate dimeglumine (MultiHance) 相比,gadopiclenol (Vueway) 允许使用较低的剂量,但在DSC输液成像中显示较弱的信号短暂. 剂量正常化消除了这种差异,这表明剂量减少对DSC信号强度的影响.

科学领域:

放射学放射学是一门学科.
医疗成像医学成像
药理学药理学是指药理学的学科.

背景情况:

加多皮克伦醇 (Vueway) 的T1放松性比加多酸二甲 (MultiHance) 的T1放松性更高.
这允许在T1加权成像中减少50%的剂量,并检测非劣质病变.
减少Vueway的剂量可能会影响动态敏感性对比 (DSC) 输液成像.

研究的目的:

为了比较MultiHance和Vueway在包装插入剂量之间的DSC信号短暂.
评估减少加多剂量对DSC perfusion成像指标的影响.

主要方法:

对30名患者的回顾性分析.
使用MultiHance和Vueway在不同的场合使用DSC信号短暂的比较.
分析包括%的信号变化和对比度-时间曲线下的面积.

主要成果:

与MultiHance相比,Vueway显示了信号变化和曲线下面积的百分比显著减少.
当对加多剂量进行正常化时,这种差异被消除了.
在包装插入剂量时,视路产生较弱的DSC信号瞬态,与其减少的加多剂量成比例.

结论:

与MultiHance相比,Vueway的包装插件剂量导致较弱的DSC信号瞬态.
观察到的差异与降低的加多剂量直接相关.
需要进一步的研究来评估对 perfusion 度量,信号噪声比 (SNR) 和泄漏纠正的影响.

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