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时间:2020-04-16
《图雷特综合征患者双侧壳核的磁共振氢质子波谱特点-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、·392·中华神经科杂志2012年6月第45卷第6期ChinJNeurol。June2012,Vo1.45.No.6.临床研究.图雷特综合征患者双侧壳核的磁共振氢质子波谱特点杨波黎桂平张金山孔祥泉徐海波马林叶慧义蔡幼诠高元桂【摘要】目的利用磁共振波谱(MRS)研究图雷特综合征(Tourette’ssyndrome,TS)患者双侧壳核的代谢改变,初步探讨其在中枢神经系统的潜在病因。方法收集22例Ts患者及22名年龄性别相匹配的健康志愿者,常规行矢状位T。WI,轴位TwI、TWI扫描,另行横轴位3D三维扰像梯度回波序列扫描,对双侧壳核进行单体素氢质子MRS(H—MRS)采
2、集,所测代谢物包括N一乙酰天冬氨酸(NAA)、胆碱(Cho)、肌酸(cr)以及肌醇(MI)。以cr峰值作为参考值,根据峰下面积的大小分别计算NAA/Cr、Cho/Cr、MI/Cr的比值。结果与对照组(左侧:1.504-0.08,右侧:1.524-0.11)相比,TS患者双侧壳核NAA/Cr(左侧:1.29±0.13,T:1.962,P<0.05;右侧:1.344-0.15,T=1.865,P<0.05)明显减低,两者差异有统计学意义。两组资料相同解剖位置的组内及组间组内交互作用的NAA/Cr、Cho/Cr、MI/Cr比值差异均无统计学意义。结论双壳核神经元结构和(或)
3、功能异常可能是TS的潜在的病因和病理生理基础之一。【关键词】多动秽语综合征;豆状核壳;磁共振波谱学H-magneticresonancespectrumofputamanofTourette’ssyndromeYANGBo,LIGui-ping,ZHANGJin—shan,KONGXiang—quart,XUHai—bo,MALin,YEHui—yi,CAIYou—quan,GAOYuan—gui.DepartmentofRadiology,AffiliatedUnionHospital,ToagjiMedicalCollege,HuazhongUniversityo
4、fScienceandTechnology,Wuhan430022,China【Abstract】0bjectiveTostudythechangesoftheputamenmetaboliteswithmagneticresonancespectrum(MRS),andtoexplorepossibleunderlyingunrecongnisedaetiologicalfactorandpathophysiologymechanisminthecentralnervoussystemofthepatientswithTourette’ssyndrome.Metho
5、dsTwenty—twocasesofTourette’ssyndrome,andtwenty—twogenderandage—matchedsubjects(thecontrolsubjects)wereperformedonaclinical3.0TMRIsystem.Protonprob—voxelspectroscopyimaging(H—MRS)wasobtainedfromtwosidesoftheputamen.ThemetabolitesincludedN—acetylaspartate(NAA),creatineandphosphocreatine(
6、Cr),choline—containingcompounds(Cho),andmyoinositol(MI).ThevalueoftheNAA,Cr,Cho,andM1werecalculatedbyintegrationoftheirpeaks.TheratiosofNAA/Cr,Cho/Cr,MI/Crwerecalculatedrespectively.Repeatedmeasuresanalysisofvariance(ANOVA)wasusedtotestboththevalueofNAA/Cr,Cho/Cr,MI/Croftheputamenforgro
7、updifference,withgroupasbetween—subjectsfactorandsideaswithin—subjectsfactor.ResultsTheNAA/Crratioinpatients(1eft:1.294-0.13;right:1.34±0.15)wassignificantlylowerthanthatinthecontrolsubjects(1eft:1.50±0.08,T=1.962,P<0.05;right:1.524-0.11,T=1.865,P<0.05).Therewasnosignificantdif
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