SPM技术在磁共振系统时间稳定性方面的应用探讨  

Discussion on the Time Stability about the Application of Statistical Parametric Mapping(SPM) in MRI Systems

作　　者：张一驰[1,2] 樊伟[3] 陈自谦[4] 倪萍[1] 

机构地区：[1]南京军区福州总医院医学工程科 [2]解放军73026部队52分队 [3]南京军区联勤部卫生部 [4]南京军区福州总医院医学影像科

出　　处：《中国医疗设备》2014年第11期19-21,52,共4页China Medical Devices

基　　金：军事医学计量专项课题(2011-JL2-014)

摘　　要：目的评价磁共振系统的时间稳定性,提高临床和科研工作结果的可靠性。方法结合已有的评价方法对磁共振系统进行时间稳定性评价,探讨SPM在评价时间稳定性方面的应用。结果得到了系统各轴向的具体偏移信息,分析评价该结果对时间稳定性的影响。结论本实验获取了各轴向的偏移量和旋转量,更为详细地显示系统的稳定性情况,可以用于指导临床和科研工作。Objective To evaluate the time stability of MRI systems and improve the reliability of clinical and research results.Methods Combined with the existing evaluation methods for assessment of MRI time stability, to discuss the application of SPM in evaluating time stability.Results Obtained the excursion information of each axis and roller, and analyzed the effects of the excursion on the time stability of MRI systems.Conclusion The result of the study shows the time stability of the system in detail, including translation and rotation, which can be used to guide the clinical and scientiifc research.

关 键 词：SPM 磁共振成像 头动校正 时间稳定性 

分 类 号：R197.39[医药卫生—卫生事业管理] TH789[医药卫生—公共卫生与预防医学]