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目的探讨多排螺旋CT(MSCT)诊断完全性大动脉转位(complete transposition of the great arteries,CTGA)的临床价值。资料与方法回顾性分析2006年1月至2010年7月46例接受CT血管造影(CTA)检查的完全性大动脉转位(TGA)患者的影像资料。均行MSCT扫描,其中对于<6岁、不能合作或心功能不全的患儿,检查前由麻醉师进行麻醉。结果 MSCT诊断TGA S,D,A型30例,S,D,D型12例,S,D,L型3例,I,L,A型1例,合并肺动脉瓣及瓣下流出道狭窄28例,室间隔完整7例。左侧三房心1例,永存左上腔静脉4例,下腔静脉肝段缺如1例。房间隔缺损(ASD)12例,动脉导管未闭(PDA)10例,卵圆孔未闭(FO)2例,主动脉右弓右降3例。室间隔增厚1例。左侧并列心耳3例,右主支气管重度狭窄2例。28例行手术矫治。结论 MSCT可准确诊断TGA心内及心外异常结构,为外科手术提供直观信息,为手术方式的选择提供依据。
Objective To investigate the clinical value of multi-slice spiral CT (MSCT) in the diagnosis of complete transposition of the great arteries (CTGA). Materials and Methods The data of 46 patients with complete aortic transposition (TGA) who underwent CT angiography (CTA) from January 2006 to July 2010 were retrospectively analyzed. All underwent MSCT scans, of which pediatric anesthetists were anesthetized before the test for children <6 years of age who failed to cooperate or who had cardiac insufficiency. Results MSCT diagnosis of TGA S, D, A type in 30 cases, S, D, D type in 12 cases, S, D, L type in 3 cases, I, L, A type in 1 case, pulmonary valve and lobular stenosis in 28 cases , Complete ventricular septum in 7 cases. Left heart three cases of a heart, 4 cases of permanent left upper vena cava, inferior hepatic venous missing 1 case. There were 12 cases of atrial septal defect (ASD), 10 cases of patent ductus arteriosus (PDA), 2 cases of patent foramen ovale (FO) and right aortic arch in 3 cases. Ventricular septal thickening in 1 case. 3 cases of left atrial appendage, right main bronchial stenosis in 2 cases. 28 cases of surgical correction. Conclusion MSCT can accurately diagnose intracardiac and extracardiac abnormalities in TGA, providing visual information for surgery and providing the basis for the selection of surgical methods.