实用医技杂志2023年4月第30卷第4期JournalofPracticalMedicalTechniques，April2023，Vol.30,No.4·285·T向量环与左心室舒张功能的关系尚中帅1龙佑玲21云南省弥勒第一医院心电科652399;²云南省昆明市中医医院电生理科通信作者：龙佑玲，Email:374940823@qq.com【摘要】目的探讨T环异常与左心室舒张功能降低的关系。方法选择心电图检查正常，心电向量图T环异常者129例,分左心室舒张降低组（异常组)和左心室舒张功能正常组（正常组），比较2组的性别、年龄、左心室射血分数及T环运行方向、T环振幅、T环长/宽比值、R-T比值、QRS-T夹角等T环观察指标以及T环异常项。结果2组之间在年龄、T环长/宽比值上差异具有统计学意义(P<0.05)。结论老年患者出现T环形态异常者，提示左心室舒张功能降低可能。【关键词】向量心电描记术；心室功能，左；T环D0I:10.19522/j.cnki.1671-5098.2023.04.014RelationshipbetweenT-vectorloopsandleftventriculardiastolicfunctionShangZhongShuai,LongYouling?'DepartmentofCardiology,FirstHospitalofMile,Yunnan652399,China;DepartmentofElectrophysiology,KunmingTraditionalChineseMedicineHospital,Yunnan650051,ChinaCorrespondingauthor:LongYouling,Email:374940823@qq.com[Abstract]ObjectiveToinvestigatetherelationshipbetweenTloopabnormalityandreductionofleftventriculardiastolicfunction.MethodsAtotalof129patientswithnormalElectrocardiographandabnormalTloopinvectorcardiogramwerecollectedanddividedintoreducedleftventriculardiastolicfunctiongroup(abnormalgroup)andnormalleftventriculardiastolicfunctiongroup(normalgroup),comparingthetwogroupsintermsofgender,age,leftventricularejectionfractionandT-loopdirection,T-loopamplitude,T-looplength/widthratio,R-Tratio,QRS-TangleandotherT-loopabnormalities.ResultsTherewasstatisticalsignificancebetweenthetwogroupsintermsofageandT-ringlength/widthratio(P<0.05).ConclusionTheabnormalityofTloopmorphologyinelderlypatientssuggestedthepossibilityofreducedleftventriculardiastolicfunction.[Keywords]Vectorcardiography;Ventricularfunction,left;TloopD0I:10.19522/j.cnki.1671-5098.2023.04.014650051左心室舒张功能降低是高血压心脏病、心肌病等多种器质性心脏病的早期表现，其改变常早于左心室射血分数等收缩功能...
