CAJ | 학술논문

目的探讨超声心动图诊断主动脉缩窄合并主动脉弓发育不良的准确性.方法分析7例主动脉缩窄合并主动脉弓发育不良患儿的二维超声图像,并与心血管造影,心脏CT及手术结果对比分析,总结其诊断要点.结果除主动脉缩窄的超声表现外,超声特异表现为:胸骨上凹主动脉弓长轴切面可见主动脉横弓部及弓降部明显变窄.发育不良的范围可自无名动脉起始后或左颈总动脉起始后;发育不良主动脉弓的内径/膈肌处降主动脉胸段的内径<0.5;多普勒测定主动脉缩窄处血流速度均在正常范围.超声诊断均与心血管造影、心脏CT及手术结果相符.结论超声心动图诊断丰动脉缩窄合并主动脉弓发育不良具有较高的准确性,在主动脉缩窄的诊断中.应提高对合并主动脉弓发育不良的认识.
목적 탐토초성심동도진단주동맥축착합병주동맥궁발육불량적준학성.방법 분석7례주동맥축착합병주동맥궁발육불량환인적이유초성도상,병여심혈관조영,심장CT급수술결과대비분석,총결기진단요점.결과 제주동맥축착적초성표현외,초성특이표현위:흉골상요주동맥궁장축절면가견주동맥횡궁부급궁강부명현변착.발육불량적범위가자무명동맥기시후혹좌경총동맥기시후;발육불량주동맥궁적내경/격기처강주동맥흉단적내경<0.5;다보륵측정주동맥축착처혈류속도균재정상범위.초성진단균여심혈관조영、심장CT급수술결과상부.결론 초성심동도진단봉동맥축착합병주동맥궁발육불량구유교고적준학성,재주동맥축착적진단중.응제고대합병주동맥궁발육불량적인식.
Objective To study the diagnosis accuracy and features of echocardiography on aortic coarctation combined with hypoplastic aortic arch. Methods The echocardiographic characteristics of seven patients who were diagnosed as aortic coarctation combined with hypoplastic aortic arch were analyzed and compared with results of cardiac catheterization, CT scan and operation. The diagnostic features of echocardiography were summarized. Results Besides the echocardiographic characteristics of aortic coarctation,other specific echocardiographic characteristics of hypoplastic aortic arch were:distinct stenoses of transverse and decsending part of aortic arch were visualized in supra-sternal long-axis view; the range of hypoplastic part started from innominate artery beginning or left common carotid artery beginning; the ratio of diameter of hypoplastic aortic arch over that of descending aorta at diaphragm was less than 0. 5; the blood flow speed detected by Doppler at the site of aortic coarctation was in the normal range. The echocardiographic characteristics of the aortic coarctation combined with hypoplastic aortic arch were correspondent to the results of cardiac catheterization, CT scan and operation results. Conclusions There is high accuracy of echocardiography in diagnosis of aortic coarctation combined with hypoplastic aortic arch. Hypoplastic aortic arch should be paid more attention in diagnosis of aortic coarctation.