[1]张瑞芳)△,刘保平).心力衰竭患者左心功能与心肌非同步运动的关系[J].郑州大学学报(医学版),2009,(01):160-161.
 ZHANG Ruifang),LIU Baoping).Echocardiography study on the correlation between left ventricular asynchronicity and left heart function[J].JOURNAL OF ZHENGZHOU UNIVERSITY(MEDICAL SCIENCES),2009,(01):160-161.
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心力衰竭患者左心功能与心肌非同步运动的关系()
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《郑州大学学报(医学版)》[ISSN:1671-6825/CN:41-1340/R]

卷:
期数:
2009年01期
页码:
160-161
栏目:
论著
出版日期:
2009-01-01

文章信息/Info

Title:
Echocardiography study on the correlation between left ventricular asynchronicity and left heart function
作者:
张瑞芳1)刘保平2)
1)郑州大学第一附属医院超声科郑州4500522)郑州大学第一附属医院核医学科郑州450052
Author(s):
ZHANG Ruifang1) LIU Baoping2)
1)Department of Ultrasound,the First Affiliated Hospital,Zhengzhou University,Zhengzhou 450052 2)Department of Nuclear Medicine,the First Affiliated Hospital, Zhengzhou University, Zhengzhou 450052
关键词:
充血性心力衰竭心肌非同步运动左心功能
Keywords:
congestive heart failureasynchronicity left heart function
分类号:
R542.5
摘要:
探讨心力衰竭患者(CHF)左心功能与心肌非同步运动的关系。方法:应用超声心动图取标准心尖位左室长轴观、两腔观和四腔观,获得正常人和CHF患者各30例左心室18个节段的定量组织速度成像(QTVI)曲线,测量各节段自QRS波起始至心肌收缩期峰值速度和舒张早期峰值速度的时限Ts和Te,并计算反映左心室非同步运动程度的指标,即18个心肌节段Ts和Te的最大差值(Δtsmax和Δtemax);心功能指标包括左心室射血分数(LVEF)和Tei指数。结果:CHF组Δtsmax和Δtemax较正常组延长,差异有统计学意义(P<0.05);CHF组Δtsmax和Δtemax与LVEF呈负相关(r=-0.75与-0.63,P均<0.05),与Tei指数呈正相关(r=0.61和0.70,P均<0.05)。结论:CHF患者左心室存在非同步收缩与舒张,可对左心功能产生影响。
Abstract:
To study the correlation between left ventricular asynchronicity and left heart function in patients with congestive heart failure(CHF).Methods:Quantitative tissue velocity imaging curves of 18 segments were got in 30 cases of CHF and 30 health controls from standard longaxis, twochamber, and fourchamber view. Ts and Te of each segment (from QRS to the peak systolic flow velocity and early diastolic flow velocity) were measured. Indexes reflecting the degrees of left ventricular asynchronicity were calculated, which was the maximal differences of Ts and Te (Δtsmax and Δtemax) in 18 myocardial segments. LV ejection fraction (LVEF), and Tei index were obtained too.Results: Δtsmax and Δtemax were obviously prolonged in CHF group than those in controls (P<0.05). In CHF group,Δtsmax and Δtemax were negatively correlated with LVEF (r=-0.75 and -0.63,P<0.05)and positively correlated with Tei index(r=0.61 and 0.70,P<0.05).Conclusion: There is left ventricular systolic and diastolic asynchronicity in the patients with CHF. Asynchronicity is closely related with left heart function.

参考文献/References:

[1]Yu CM, Chau E, Sanderson JE, et al. Tissue Doppler echocardiographic evidence of reverse remodeling and improved synchronicity by simultaneously delaying regional contraction after biventricular pacing therapy in heart failure[J]. Circulation, 2002,105(4):438
[2]Yu CM, Lin H, Ho PC, et al. Assessment of left and right ventricular systolic and diastolic synchronicity in normal subjects by tissue Doppler echocardiography and the effects of age and heart rate[J]. Echocardiography, 2003, 20(1):19
[3]Reuter S, Garrigue S, Bordachar P, et al. Intermediate term results of biventricular pacing in heart failure: correlation between clinical and hemodynamic data[J]. Pacing Clin Electrophysiol, 2000, 23(11 Pt 2) : 1 713

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备注/Memo

备注/Memo:
△女,1975年生,博士研究生,主治医师,研究方向:心血管疾病的影像学诊断
更新日期/Last Update: 2010-05-18