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|本期目录/Table of Contents|

右室梗塞的多普勒左右室射血力研究(PDF)

《心脏杂志》[ISSN:1009-7236/CN:61-1268/R]

期数:
1996年第1期
页码:
7-9
栏目:
论著
出版日期:
1996-01-01

文章信息/Info

Title:
Study of left and right ventricular ejection force by Doppler echocar-diography in right ventricular myocardial infarction
作者:
包映辉ⅹ 方 平 吴宗贵 张国元
第二军医大学附属长征医院心内科上海 200003
Author(s):
Bao Yinghui; Fang Ping; Wu Zonggui; Zhang Guoyuan
Changzheng Hospital，Second Military Medical University，Shanghai 200003
关键词:
心肌梗塞; 超声心动描记术; 多普勒; 心室功能; 射血力
Keywords:
myocardial infarction; echocardiography; Doppler; ventricular function; ejection
分类号:
-
DOI:
-
文献标识码:
-
摘要:
作者根据牛顿第二定律的质量加速度概念，引用Isaaz等提出的左室射血力(F)数学模型，即F=p×CSA×VTI×MA，测定右室射血力，并同时测定主、肺动脉瓣最大血流速度和平均加速度。研究对象为35例正常对照组和28例右室梗塞组。仪器为．Acuson-128xp10彩色多普勒声像仪。结果在对照组中右室射血力明显低于左室射血力，原因可能为支气管循环所致。右室梗塞组的右室射血力、肺动脉瓣最大血流速度和平均加速度明显低于对照组，表明右室射血力这一新指标能反映右室收缩功能的变化。右室梗塞组的左室射血力亦明显低于对照组，表明右室梗塞除能影响右室收缩功能外，尚影响左室收缩功能。
Abstract:
In order to reflect more accurately the right ventricular systolic function，we measured the right ventricular ejection force，the aortic and pulmonary peak blood velocity and at the same time the mean acceleration，utilizing the mathematical model of left ventricular ejection force．Thirty five normal control subjects and 2 8 patients with right ventricular myocardial infarction were tested．The results showed that the right ventricular ejection force was obviously lower than that of the left in the control group，these results could be attributed to the bronchial circulation．In the patient group the right ventricular ejection force，the pulmonary peak blood velocity and the mean acceleration were re-markably lower than in the control group．Thus，these findings suggest that the right ventricular ejec-tion force is a new index that can reflect the changes of the right ventricular systolic function．The left ventricular ejection force in the patient group was obviously lower than in the control group，indicating that the left as well as the right ventricular systolic function can be influenced by the right ventricular myoCardlal intarctmn．

参考文献/References

［1］Lopez-Sendon J，Coma-Canella I，Gamatlo C．Sensi-tivitv and gnedficitv of hemodvnamic criteria in the diagnosis of acutz fight ventricular infarction.cir-culation 1981;64:515.

[2]Isaaz K，Ethevenot G，Admant P，et al．A new Doppler method of assessing left ventricular eejection force in chronic congestive heart failure．Am J Cardid 1989；64：81.

［3］方 平，潘 真，张国元．用多普勒方法研究冠病左室射血力．中华物理医学杂志1993；15：13.

备注/Memo

备注/Memo:
Received 1995-01-11 ⅹ第二军医大学学员
更新日期/Last Update: 1996-01-01