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血管迷走性晕厥儿童心室晚电位变化 被引量:5

Changes of ventricular late potential in the children with vasovagal syncope
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摘要 目的探讨血管迷走性晕厥(VVS)儿童心室晚电位(VLP)的变化。方法直立倾斜试验(HUTT)阳性的VVS儿童45例(研究组),用广东中山SR-1000A心电综合自动分析仪通过体表叠加方法检测VLP。匹配健康儿童45例(对照组)。结果与对照组比较,研究组高频低幅时限(LAS40)明显延长(P<0·05),心率、总QRS时间(TQRS)、均方根值(RMS40)差异无统计学意义(P>0·05)。结论VVS儿童心肌电活动异常,存在心脏事件发生的危险性。 Objective To explore the ventrieular late potential (VLP) in the children with vasovagal syncope (VVS). Methods The VLP was analyzed in children ( n = 45 ) who had a positive head - up tilt table test (HUTT) result and the diagnosis of VVS. The VLP was reeorded by the method of superposition on body surface. Healthy children were matched as controls ( n = 45 ). SPSS11.0 software was used for the statistical analysis of these data. Result LAS40 in study group was prolonged, eompared with control group (P 〈 0.05). No statistical differences were found in HR, the total time of the QRS (TQRS) and root mean square value ( RMS40 ) between two groups ( P 〉 0.05 ) . Conclusion There are abnormal eleetrieal aetivities in myoeardium and the eardiae aeeidents in the ehildren with VVS.
出处 《中国急救医学》 CAS CSCD 北大核心 2007年第8期688-690,共3页 Chinese Journal of Critical Care Medicine
基金 "十五"国家科技攻关计划项目(No.2004BA720A10) 湖南省科技厅资助项目(No.06SK3036)
关键词 心室晚电位 血管迷走性晕厥 儿童 Ventrieular late potential (VLP) Vasovagal syncope (VVS) Children
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参考文献15

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二级参考文献33

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