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时间:2017-12-07
《超声二维斑点追踪成像技术评价缩窄性心包炎患者心脏功能的改变》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、第43卷第1期第9O页华中科技大学学报(医学版)Vo1.43No.1P.902014年2月ActaMedUnivSciTechnolHuazhongFeb.2014超声二维斑点追踪成像技术评价缩窄性心包炎患者心脏功能的改变*刘琨,邓又斌,孙杰。,王玉波。,毕小军。,杨好意,王俊力,汤乔颖。湖北民族学院附属民大医院超声影像科,恩施445000华中科技大学同济医学院附属同济医院超声影像科,武汉430030。湖北省妇幼保健院超声影像科,武汉430070摘要:目的应用二维斑点追踪技术定量评价缩窄性心包炎
2、患者左心室功能的改变情况。方法选取正常对照组41例及已确诊为缩窄性心包炎的患者40例,行超声常规检查并存储患者足够帧频二维图像,其中左室长轴图像包括心尖位左室长轴观,二腔心观、四腔心观,短轴图像包括二尖瓣环水平、乳头肌水平及心尖水平左室短轴观,应用二维斑点追踪技术定量分析并记录各个切面观总体纵向峰值应变、径向峰值应变、圆周峰值应变;其中总体纵向峰值应变为软件自动测量得出,二尖瓣环水平、乳头肌水平及心尖水平左室短轴观的总体圆周应变及径向应变为每个切面6个节段的峰值应变的平均值。结果①常规超声心动图
3、检查:缩窄性心包炎患者左房、右房较正常对照组扩大,左室缩小,EF值减低,舒张早期二尖瓣口血流速度E峰减低,差异均具有统计学意义(P4、明显减低,左心室短轴各水平平均圆周应变及平均径向应变明显低于正常对照组,表明缩窄性心包炎患者左心室壁运动功能减低,心肌存在一定的损伤;二维斑点追踪技术可以较射血分数更早地检测出心肌损伤,为缩窄性心包炎患者心功能的评估提供了一种更精确的方法。关键词:二维斑点追踪技术;缩窄性心包炎;心脏功能;左心室;纵向应变;圆周应变;径向应变中图分类号:R542.1DOI:10.3870/j.issn.1672—0741.2014.01.020EvaluationofCardiacFunctioninPatien5、twithConstrictivePericarditisbyTwo—dimensionalSpeckleTrackingEchocardiographyLiuKun.DengYoubin。△.SunJie。etalDepartmentofMedicalUltrasound,MindaHospitalofHubeiNationalityCollege,Enshi445000,ChinaDepartmentofMedicalUltrasound,TongjiHospital,TongjiMedic6、alCollege,HuazhongUniversityofScienceandTechnology,Wuhan430030,ChinaAbstractObjectiveToevaluatethecardiacfunctionofpatientwithconstrictivepericarditisbytwo—dimensionalspeckletrackingimaging.MethodsAtota1of40patientswithconstrictivepericarditis(CP)and7、41healthycontrolsunderwentechocar—diographytocollecttheimagingclipsoftwocavity,fourcavity,longaxisatapex,shortaxisatmitra1valve,papillarymuscleandapexlevels.Thegloballongitudinalstrain,circumferentialstrainandradia1strainofeachimagingclipweremeasured8、bytwo—di—mensionalspeckletrackingsoftware.Thegloba1circumferentialandradialstrainoftheshortaxisatdifferentlevelswasdefinedastheaveragepeakstrainofsixsegmentsofeachleve1.Results①Standardu1trasonography:theleftandrightatriawereen—largedandthediameterof
4、明显减低,左心室短轴各水平平均圆周应变及平均径向应变明显低于正常对照组,表明缩窄性心包炎患者左心室壁运动功能减低,心肌存在一定的损伤;二维斑点追踪技术可以较射血分数更早地检测出心肌损伤,为缩窄性心包炎患者心功能的评估提供了一种更精确的方法。关键词:二维斑点追踪技术;缩窄性心包炎;心脏功能;左心室;纵向应变;圆周应变;径向应变中图分类号:R542.1DOI:10.3870/j.issn.1672—0741.2014.01.020EvaluationofCardiacFunctioninPatien
5、twithConstrictivePericarditisbyTwo—dimensionalSpeckleTrackingEchocardiographyLiuKun.DengYoubin。△.SunJie。etalDepartmentofMedicalUltrasound,MindaHospitalofHubeiNationalityCollege,Enshi445000,ChinaDepartmentofMedicalUltrasound,TongjiHospital,TongjiMedic
6、alCollege,HuazhongUniversityofScienceandTechnology,Wuhan430030,ChinaAbstractObjectiveToevaluatethecardiacfunctionofpatientwithconstrictivepericarditisbytwo—dimensionalspeckletrackingimaging.MethodsAtota1of40patientswithconstrictivepericarditis(CP)and
7、41healthycontrolsunderwentechocar—diographytocollecttheimagingclipsoftwocavity,fourcavity,longaxisatapex,shortaxisatmitra1valve,papillarymuscleandapexlevels.Thegloballongitudinalstrain,circumferentialstrainandradia1strainofeachimagingclipweremeasured
8、bytwo—di—mensionalspeckletrackingsoftware.Thegloba1circumferentialandradialstrainoftheshortaxisatdifferentlevelswasdefinedastheaveragepeakstrainofsixsegmentsofeachleve1.Results①Standardu1trasonography:theleftandrightatriawereen—largedandthediameterof
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