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ID:15213670
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时间:2018-08-02
《左室假腱索与心电图异常的相关性探讨》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、左室假腱索与心电图异常的相关性探讨【摘要】目的:探讨左心室假腱索与室性期前收缩(PVS)、左心室高电压、T波倒置的关系。方法:选择心电图异常患者115例,随机法选择健康人97例(对照组),应用超声心动图分别检测其是否存在左室假腱索,并对左室假腱索的发生率,数目构成比,左室假腱索的长度、宽度及位置分型(横型与纵型)进行统计学分析。结果:PVS组与对照组相比,左室假腱索发生率的差异有统计学意义(P<0.05),而左心室高电压组、T波倒置组与对照组相比,左室假腱索的发生率差异无统计学意义(P>
2、0.05)。各组左室假腱索的数目病例数构成比差异均无统计学意义(P>0.05)。PVS组、T波倒置组与对照组相比,长度、宽度差异均无统计学意义(P>0.05),高电压组与对照组相比,长度差异无统计学意义(P>0.05),但宽度差异具有统计学意义(P<0.05);各心电图异常组与对照组相比,左室假腱索的位置分型构成比差异有统计学意义(P<0.05),横型左室假腱索者在心电图异常组中所占比例约60%,对照组仅35%。结论:左室假腱索与心电图异常相关。左室假腱索是健康人PVS
3、的独立危险因素,假腱索位置及与室间隔的夹角是导致上述几种心电图异常的主要因素。除位置分型外,左室高电压的发生还受假腱索宽度影响。【关键词】超声心动图;左室假腱索;心电图异常 [Abstract]Objective:Toinvestigatetherelationship12betweenleftventricularfalsetendons(LVFT)andprematureventricularsystolic(PVS),leftventricularhighvoltageandTwaveinv
4、ersion.Methods:All115casesofabnormalECGandrandomized97casesofhealthypeople(controlgroup)werestudiedbyEchocadiography.TheincidenceofLVFTandthefactorsofLVFTprobablyaffectingECGincludingnumber,length,widthandpositiontypes(verticaltypeandhorizontaltype)wer
5、estatisticallyanalyzedbetweenhealthypeopleandabnormalECGpatients.Results:TherewasasignificantdifferencebetweenPVSgroupandcontrolgroup(P<0.05)inrelevanceratioofLVFT,butnosignificantdifferencebetweenleftventricularhighvoltagegroup,Twaveinversiongroupa
6、ndcontrolgroup.ThenumberofLVFThasnosignificantdifferencebetweenECGgroupsandcontrolgroup.TherewasnosignificantdifferenceinlengthsandwidthsbetweenPVSgroup,highvoltagegroupandcontrolgroup(P>0.05).ThelengthsbetweenLVFTgroupandcontrolgrouphadnostatistica
7、lsignificance(P>0.05),butwidthdifferencebetweenthesetwogroupswassignificant(P<0.05).PositiontypesplayedanimportantroleindistinguishabnormalECGgroupfromcontrolgroup(P<0.05).Conclusion:LVFTwasassociatedwithabnormalECG.LVFTwasanindependentriskfac
8、torforPVS,andthepositiontypeofLVFT12wasamajorfactorforECGabnormalities.Besidesthepositiontype,thewidthofLVFTalsoaffectedthepresenceofhighvoltage. [Keywords]echocardiography;leftventricularfalsetendons(LVFT);abnormalECG 左室假腱索(leftventr
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