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儿童冷加压试验时心脏舒张早期功能与后负荷的关系(PDF)

《心脏杂志》[ISSN:1009-7236/CN:61-1268/R]

期数:
1996年第1期
页码:
4-6
栏目:
论著
出版日期:
1996-01-01

文章信息/Info

Title:
The relationship between early-diastolic heart function and after-load during echocardiographic cold pressor test in children
作者:
孟洪弟1 徐文林2 张孝芳1 王玉玲1 张绍华1
大连医科大学 1附二院儿科 2附一院超声科 大连 116023
Author(s):
Meng Hongdi1; Xu Wenlin2; Zhang Xiaofang1; Wang Yuling1; Zhang Shaohua1
1Department of Pediatrics，The Second Affiliated Hospital，Dalian Medical University，Dalian 116023 2Department of Ultrasonic Diagnosis，The First Affiliated Hospital，Dalian Medical University
关键词:
心室功能; 舒张; 冷加压试验; 儿童
Keywords:
ventricular function; diastole; cold pressor test; children
分类号:
-
DOI:
-
文献标识码:
-
摘要:
37例正常儿童超声心动图冷加压试验(CPT)时心脏舒张早期功能的主要变化是快充盈期左室后壁运动幅度减低，运动速度减慢，标准化快充盈期充盈率下降。标准化快充盈期充盈速率的下降率与平均动脉压和平均室壁应力的升高率呈正相关；进一步分析，发现与舒张压和收缩末期室壁应力的升高率有正相关，与收缩压和舒张末期室壁应办的升高率无显著相关。故cPr时舒张早期功能的下降可能主要是由于CPT时血压升高，心室壁应力增大所致。舒张功能的变化是可逆的。
Abstract:
The main changes of early-diastolic function during echocardiographic cold pressor test (CPT)in 37normal children include a significant decrease in posterior wall excursion and posterior wall velocity during rand filling period(RFR／Vs)．There is a significant positive relation between the decreasing rate of RFR／Vs and the increasing rate of mean blood．ressure，and mean wall stress．Fur-ther analysis reveal．s positive relationship between the decreasing rate of RFR／Vs and the increasing rate of diastolic blood pressure and end—systolic wall stress，There is no significant relation between the decreasing rate of RFR／Vs and the increasing rate of systollic blood pressure，and end—diastolic wall stress．So the temporary decrease of ear ly-diastolic functions during CPT may be main ly due to the in-crease of blood pressure and wall stress during CPT．The changes of diastolic function duririg CPT are recoverable。

参考文献/References

［1］孟洪弟，徐文林，王玉玲，等．健康儿童超声心动图冷加压试验(附6例心肌炎对照)．大连医学院学报1991；1 3(3)：22.

［2］孟洪弟、徐文林、王玉玲，等．儿童超声心动图冷加压试验心功能指标的评价．大连医学院学报1993；15(4)：284.

［3］朱丽南，张崇德，李隆贵，等．高血压心脏舒张功能的超声观察．中华内科杂志1983；22(12)：740.

［4］立川弘孝，杉原洋树，古川启三，他．Cold Pressor Testにょゐ 健常人すょひ高血压患者にすけゐ左室扩张机能动态の检讨．核医学1988；25(5)：405 .

［5］唐胜才，刘俊良，朱 琦．超声心动图评价小儿心肌疾病左心功能．实用儿科临床杂志1987；2(2)：68.

备注/Memo

备注/Memo:
Received 1994-l1-02；revised 1995-07-25
更新日期/Last Update: 1996-01-01