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时间:2020-05-19
《平板运动试验时QT间期离散度对冠心病的诊断价值.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、第35卷第2期赣南医学院学报lf.35/VD.22015年4月JOURNALOFGANNANMEDICALUNIVERSITYAPR.2015平板运动试验时QT间期离散度对冠心病的诊断价值林永霞,姚锦容,黎文婷(广东省中山市人民医院心电生理室,广东中山528403)摘要:目的:探讨平板运动试验时QT间期离散度对冠心病的诊断价值。方法:选取90例疑诊为冠心病的患者,平板运动试验后1月内行冠状动脉造影术,根据其结果分为冠心病组63例和非冠心病组27例,测量两组患者平板运动试验前、中、后12导联心电图的QT间期,将QT间期离散度i>50ms作为冠
2、心病的诊断标准。结果:冠心病组QT问期离散度平板运动试验前、后与平板运动试验中比较,差异有统计学意义(P<0.05),平板运动试验前与平板运动试验后比较,差异无统计学意义(P>0.05);非冠心病组平板运动试验前、中、后QT间期离散度差异无统计学意义(P>0.05)。QT间期离散度>150ms诊断冠心病的灵敏度为88:89%,特异度为92.59%。结论:平板运动试验时QT间期离散度I>50ms作为冠心病的诊断标准具有重要的临床价值。关键词:平板运动试验;QT间期离散度;冠心病中图分类号:R541.4文献标志码:A文章编号:1001—5779
3、(2015)02—0273—03DoI:10.3969/j.issn.100I一5779.2015.02.031ThevalueofQTintervaldispersionintreadn~exercisetestinthediofcoronaryheartdiseaIseLINl‘9一xia,YAOJin—rong,LIWen—ting(ECGPsychologicalRoom,People'sHospitalofZhongshanCity,Zhongshan,Guangdong528403)Abstract:0bjective:Toin
4、vestigatethevalueofQTintervaldispersionintreadmillexercisetestinthediagnosisofcoro—naryheartdisease.Methods:90caseswithsuspectedcoronaryheartdiseasefromOctober,2012toSeptember,2014inourhospitalwereselected,coronaryangiographywascarriedoutafteronemonthtreadmillexercisetest,
5、accordingtotheresults,thepatientsweredividedintocoronaryheartdiseasegroup(63cases)andnon—coronaryheartdiseasegroup(27cases),the12一leadECGQTintervalwasmeasuredbefore,duringandafterthetreadmillexercisetest,andtheQTinter-valdispersion≥50mswasasthediagnosticcriterionforcoronar
6、yheartdisease.Results:Incoronaryheartdiseasegroup,theQTintervaldispersionbeforeandaftertreadmillexercisetestcomparedwithtreadmillexercisetest,thediffer—encewasstatisticallysignificant(P<0.05),beforetreadmillexercisetestcomparedwithaftertreadmillexercisetest,thedifferencewa
7、snotstatisticallysignificant(P>0.05);Innon—coronaryheartdiseasegroup,theQTintervaldisper-sionbefore。duringandafterthetreadmillexercisetesthadnosignificantdifference(P>0.05).ThesensitivityofQTintervaldispersion≥50msinthediagnosisofcoronaryheartdiseasewas88.89%.andthespecifi
8、citywas92.59%.Conclusion:Asthediagnosticcriterionforcoronaryheartdisease,theQTintervaldis
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