Evaluation of left atrial ejection function in patients of noncompaction cardiomyopathy by real-time three-dimensional echocardiography

doi:10.3877/cma.j.issn.1672-6448.2018.06.009

Chinese Journal of Medical Ultrasound (Electronic Edition) ›› 2018, Vol. 15 ›› Issue (06): 440-444. doi: 10.3877/cma.j.issn.1672-6448.2018.06.009

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• Cardiovascular Ultrasound • Previous Articles Next Articles

Evaluation of left atrial ejection function in patients of noncompaction cardiomyopathy by real-time three-dimensional echocardiography

Fangfang Li¹, Weidong Ren¹^,^†(), Guang Song¹, Dan Wu¹, Kaiwei Liu¹

^1. Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang 111004, China

Received:2017-09-15 Online:2018-06-01 Published:2018-06-01
Contact: Weidong Ren
About author:
Corresponding author: Ren Weidong, Email:renwdcmu@163.com

Abstract

Abstract:

Objective

To assess left atrial ejection function by left atrium ejection fraction (LAEF) in left ventricular noncompaction (LVNC) patients by real-time three-dimensional echocardiography (RT3DE) and discuss its value in LVNC diagnosis.

Methods

The study comprised 20 patients with the diagnosis of LVNC including 3 cases in the group of 3-16 years old, 8 cases in the group of 17-35 years old, and 9 cases in the group of 36-55 years old. Twenty healthy age-matched people were chosen as controls. All patients underwent conventional two-dimensional echocardiography and RT3DE with full-volume image.

Results

The measures of interventricular septum thickness, left ventricularend-diastolic diameters and left ventricular ejection force in the two-dimensional echcardiography showed no differences. The average LAEF of LVNC grroup was higher than that of the control group (t=5.3, P<0.01). The average LAEF of LVNC group was (62.57±7.36)% while that of the control group was (50.12±7.00)%.

Conclusions

The result showed obvious difference. It showed that the left atrial ejection function had increased significantly even though the left ventricular systolic function was normal. RT3DE can assess the heart function of LVNC patients.

Key words: Left ventricular noncompaction, Echocardiography, three-dimensional, Left atrial ejection fraction

Fangfang Li, Weidong Ren, Guang Song, Dan Wu, Kaiwei Liu. Evaluation of left atrial ejection function in patients of noncompaction cardiomyopathy by real-time three-dimensional echocardiography[J]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2018, 15(06): 440-444.

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Figures/Tables 5

References 17

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组别	例数	年龄（岁）	IVS（mm）	LVEDD（mm）	LVEF（%）	E/A
LVNC组	20	32.8±15.6	6.35±1.45	44.6±6.6	62.8±5.2	1.46±0.30
健康对照组	20	31.8±13.7	6.33±1.11	45.1±4.7	65.2±5.2	1.47±0.32
t值	?	0.63	0.04	1.46	0.27	0.04
P值	?	>0.05	>0.05	>0.05	>0.05	>0.05

组别	例数	年龄（岁）	IVS（mm）	LVEDD（mm）	LVEF（%）	E/A
LVNC组	20	32.8±15.6	6.35±1.45	44.6±6.6	62.8±5.2	1.46±0.30
健康对照组	20	31.8±13.7	6.33±1.11	45.1±4.7	65.2±5.2	1.47±0.32
t值	?	0.63	0.04	1.46	0.27	0.04
P值	?	>0.05	>0.05	>0.05	>0.05	>0.05

组别	例数	LAEF（%）	LAV_max/体表面积（ml/m²）
LVNC组	20	62.57±7.36	22.80±8.52
健康对照组	20	50.12±7.00	18.00±4.99
t值	?	5.3	2.1
P值	?	<0.01	<0.05

组别	例数	LAEF（%）	LAV_max/体表面积（ml/m²）
LVNC组	20	62.57±7.36	22.80±8.52
健康对照组	20	50.12±7.00	18.00±4.99
t值	?	5.3	2.1
P值	?	<0.01	<0.05

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