摘要
目的分析先天性双腔左心室(double-chambered left ventricle,DCLV)的多普勒超声心动图特征及超声心动图漏误诊的原因,旨在提高超声心动图技术对DCLV诊断的准确性。方法回顾性分析8例经心脏外科手术及心脏CT检查诊断为DCLV患者的超声心动图资料。结果DCLV声像图特征为左心室内异常肥厚的肌束或纤维条索,将左心室分隔为主、副两个腔,按照李军等的分型标准,本组A型6例,B型2例;单纯性DCLV 2例,合并其他心血管系统畸形6例,最常见的合并畸形有室间隔缺损3例、副腔收缩功能不全3例、二尖瓣关闭不全2例、二尖瓣狭窄1例。8例患儿中,超声诊断正确6例(占75.0%),漏误诊2例(占25.0%),其中1例漏诊,1例误诊为左心室憩室。结论多普勒超声心动图技术可以较为可靠地诊断DCLV,但容易漏误诊,需与左心室憩室、左心室室壁瘤、左心室心肌致密不全、室间隔缺损等进行鉴别。
Objective To review the imaging characteristics and evaluate the diagnostic value of echocardiography for congenital double-chambered left ventricle(DCLV) in children, and improve the diagnostic accuracy of initial echocardiography. Methods Doppler echocardiography was performed and these images were compared retrospectively with operative and computed tomography angiography findings in 8 children with DCLV. Results DCLV was characterized by the presence of a main left ventricular chamber and an auxiliary chamber seperated by abnormally hypertrophic muscle and/or fiber bundles. Six cases were diagnosed with type A, and 2 cases with type B by Li Jun′s classification. The associated malformations included ventricular septal defect (3 cases), mitral regurgitation (2 cases), mitral valve stenosis (1 case). Six of 8 cases(75.0%) were diagnosed correctly using Doppler echocardiography, in the remaining 2 cases (25.0%), 1 case was missed, 1 case misdiagnosed as left ventricular diverticulum. Conclusions DCLV could be correctedly diagnosed by Doppler echocardiography. This malformation should be differentiated from left ventricular diverticulum, left ventricular aneurysm, left ventricular non-compaction, and ventricular septal defect.
作者
吴力军
洪雯静
张玉奇
陈亚青
王谦
金启晨
Wu Lijun;Hong Wenjing;Zhang Yuqi;Chen Yaqing;Wang Qian;Jin Qichen(Department of Echocardiography,Xinhua Hospital,Shanghai Jiaotong University School of Medicine,Shanghai 200092,China;Department of Pediatric Cardiology,Shanghai Children's Medical Center,Shanghai Jiaotong University School of Medicine,Shanghai 200127,China;Department of Radiology,Shanghai Children's Medical Center,Shanghai Jiaotong University School of Medicine,Shanghai 200127,China)
出处
《中华超声影像学杂志》
CSCD
北大核心
2019年第8期651-655,共5页
Chinese Journal of Ultrasonography
关键词
超声心动描记术
多普勒
双腔左心室
Echocardiography, Doppler
Double-chambered left ventricle
