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在0.23 T便携式磁共振成像过程中,Codman Hakim可编程门压力设置的稳定性:一项前性观察研究

Long Zeng¹, Minghan Xie¹, Hongwei Zhu¹

¹Neurosurgery Center, Department of Functional Neurosurgery, The National Key Clinical Specialty, The Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou, China.

Quantitative imaging in medicine and surgery

|February 11, 2026

概括

低场便携式MRI (pMRI) 是安全的,用于监测水脑病患者的可编程分路器. 这种成像方法对门压力设置的影响最小,并为临床使用提供良好的图像质量.

科学领域:

医疗成像医学成像
神经外科神经外科
放射学放射学是一门学科.

背景情况:

水脑病患者需要频繁的头骨成像术后腹腔皮质突变 (VPS) 手术.
传统的MRI可以干扰可编程门设置;CT涉及辐射暴露.
低场便携式MRI (pMRI) 为VPS监控提供了一个潜在的更安全的替代方案.

研究的目的:

在0.23 T pMRI期间评估Codman Hakim可编程门压力设置的稳定性.
评估pMRI的诊断图像质量在脑水患者.

主要方法:

对20名带有Codman Hakim可编程门的脑水症患者进行前性观察性研究.
在0.23 T pMRI使用X射线之前和之后验证了门压力设置.
图像质量通过比较pMRI和CT的埃文斯指数 (EI) 来评估,使用ICC和Bland-Altman分析.

主要成果:

在75%的临床pMRI疗程中,没有显著的门压力变化发生;剩余25%的偏差不超过20 mmH2O.
在pMRI前后的门压力设置之间没有发现统计学上显著的差异 (P=0.5552).
pMRI显示出与CT对埃文斯指数评估的良好一致 (ICC=0.981),表明图像质量很高.

结论:

0.23 T pMRI对Codman Hakim可编程的压力设置的影响最小.
pMRI是一种安全和方便的成像方式,用于对VPS水脑病患者的随访监测.

关键词:

科德曼·哈基姆可编程门低电场强度强度的低场强度强度.头部液压 (Hydrocephalus) 是一种磁共振成像 (MRI) 的使用.

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