| 生理性与非生理性起搏时心室激动顺序、收缩同步性和心室功能的变化 |
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| 引用本文： | 傅向华,杨新毅,何瑞荣,王方正,汪绍全,朱克平.生理性与非生理性起搏时心室激动顺序、收缩同步性和心室功能的变化[J].中华物理医学杂志,1996(1). |
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| 作者姓名： | 傅向华 杨新毅 何瑞荣 王方正 汪绍全 朱克平 |
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| 作者单位： | 河北医科大学，北京阜外医院 |
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| 摘 要： | 应用计算机－核素心室造影对２０例病态窦房结综合征（ＳＳＳ）患者分别于植入生理性ＡＡＩ和非生理性ＶＶＩ起搏器前后进行了时相分析（ＰＡ）、等相位电影、心功能参数的测定和对比研究。结果表明：ＡＡＩ起搏不仅保持正常的心室激动顺序（ＶＡＳ）、而且增加心室收缩的同步性（ＶＳＳ），从而左室收缩功能（ＬＶＳＦ）和舒张功能（ＬＶＤＦ）亦有相应提高；ＶＶＩ起搏后ＶＡＳ异常，ＶＳＳ和ＬＶＳＦ降低，但ＬＶＤＦ有代偿性增加。提示：ＶＡＳ和ＶＳＳ是影响ＬＶＳＦ和ＬＶＤＦ的重要因素，决定着ＡＡＩ和ＶＶＩ两种起搏方式的血流动力学效应
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| 关 键 词： | 心脏起搏 心脏功能 时相分析 收缩协调性 核素心室造影 |
ChangesofVentricularActivationSequence,VentricularSystolicSynchronyandVentricularPerfomanceDuringPhysiologicandNonphysiologicPacing |
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| FuXianghua,YangXinyi,HeRuirong,et al..ChangesofVentricularActivationSequence,VentricularSystolicSynchronyandVentricularPerfomanceDuringPhysiologicandNonphysiologicPacing[J].Chinese Journal of Physical Medicine and Rehabilitation,1996(1). |
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| Authors: | FuXianghua YangXinyi HeRuirong |
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| Institution: | FuXianghua,YangXinyi,HeRuirong,etal.DepartmentofCardiovascularPhysiology,HebeiMedicalUniversity,Shijiazhuang,050017 |
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| Abstract: | Thephaseanalysis(PA),iso-phasecineandtheventricularperfomancein20patientswithsicksinussyndrom(SSS)beforeandafterimplantationofphysiologic-AAIandnonphysiologic-VVIpacemak-erswerecomparativelystudiedbycomputerizedequilibriumradionuclideangiography(ERNA).Theresultsshowedthatphysiologic-AAIpacingnotonlymaintainedthenormalventricularactivationsequence(VAS),butalsostrengthenedtheventricularsystolicsynchrony(VSS)associatedwitharelativeincreaseinleftven-tricularsystolicfunction(LVSF)andleftventricuardiastolicfunction(LVDF).NonphysiologicVVIpacinginducedanabnormalVASandthedecreasesinVSSandLVSF,butLVDFrelativelyincreased.TheresultsindicatethatVASandVSSasimportantfactorsefectingLVSFandLVDF,maysignificantlydeterminethehemodynamicinsultofVVIandAAIpacing. |
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| Keywords: | cardiacpacing cardiacperfomance phaseanalysis synehrony radionuclideangiography |
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