二维斑点追踪技术评价室性早搏对心功能影响

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1、AssessmentofCardiacFunctionbySpeckleTrackingImaginginPatientswithPrematureVentricularContractionAbstractObjectiveToevaluatecardiacfunctionbyspeckletrackingh：naging(STI)inpatients、砘廿lprematureventricularcontractiong,vcs)．MethodsTherewere60patientsingroupPVCswhichi

2、ncluding20fromri#tventricularOUtflOWtract．20fromtricuspidannulus，andother20fromaorticroot(Wardo’Sonon)．30bealthypeoplewereascontr01．AnalysedLS，RS，CS，andGRotbySTIin2groups。AnalysedLVIDd，LVISd，LAd，LVEF，FS，PA，PASPbyconventionalultrasoundtechnology．ResultsLS，RS，CS，an

3、dGRotshowednostastisticallydifferencebetweensinusrhythmofgroupPVCsandcontr01．Thestrainsofeachsectiondecreasedinventricularrhythmcomparing嘶thsinusrhythm．AndtheLS，RS，CSofthePVCsgroupfromaorticrootwerelowerthantheother2PVCsgroupsinanteriorinterventricularseptum，post

4、eriorinterventricularseptumandleftventricularwall．GRotofventricularrhythinWaslowerthansinusrhythmingroupPVCs．AndthereWasinsignificantdifferencebetween3PVCsgroupsinventricularrhythm．ConclusionCardiacfunctionissignificantlyinfluencedbyPVCsanddifferentoriginshasdiff

5、erentinfluence．PVCswhicharefromaorticrootdepresscardiacfunctionmorcthantheother2origins．STIisaquantitativeandaccuratemethodforassessingcardiacfunctioninpatientswithPVCs．Postgraduatestudent：SongXiaoxia(Ultrasonicmedicine)DirectedbyProf．JiangZhirongK呵Words：Specklet

6、rackingimaging；Prematureventricularcontractions；Cardiacfunction哪4㈣8㈣6㈣8m3㈣3㈣2眦Y引言目录第一章资料与方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯21．1研究对象⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯21．2仪器⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯”21．3研究方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯21．4统计学处理⋯⋯⋯⋯⋯⋯⋯⋯

7、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯3第二章结果⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯··42．1室性早搏各组与对照组一般临床资料比较⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯·42．2常规超声心动图测量结果比较⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯·42．3二维斑点追踪技术测量结果比较⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯”4第三章讨论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯·53．1室性早搏的起源部位⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯·53．2室性早搏引起心功

8、能受损的机制⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯·53．3研究室性早搏对心功能影响的意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯·63．4评价心功能的超声心动图技术⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯”63．5二维斑点追踪技术评价室性早搏患者心脏功能⋯⋯．．．⋯⋯⋯⋯⋯⋯⋯⋯⋯”93．6研究的局限与展望⋯⋯⋯⋯⋯⋯⋯⋯⋯