二叶式主动脉瓣的多层螺旋CT诊断

发布时间：2018-01-24 01:18

本文关键词： 先天性主动脉瓣畸形体层摄影术 X线计算机　出处：《临床放射学杂志》2015年06期 　论文类型：期刊论文

【摘要】：目的采用心电门控CTA检查研究二叶式主动脉瓣畸形(BAV)患者主动脉瓣及胸主动脉的形态学特征,并对比分析其与常见主动脉瓣疾病鉴别要点。方法回顾性分析14例经心电门控CTA检查的BAV患者,分析其影像学表现,并与风湿性心脏病主动脉瓣病变患者及单纯主动脉瓣钙化患者的瓣膜情况、主动脉直径及左心房情况进行对比,进行统计学分析。结果心电门控CTA检查配合合适的后处理手段能良好显示BAV二叶主动脉瓣及双冠窦等解剖特征,并能对主动脉瓣增厚及钙化进行显示;BAV患者的瓣膜增厚及钙化情况与风湿性心脏病患者类似,升主动脉及降主动脉管径及两者之比大于风湿性心脏病和单纯主动脉瓣钙化患者。结论心电门控CTA检查对BAV的诊断有重要价值,在胸部CT检查中存在主动脉瓣钙化、升主动脉扩张及升/降主动脉比值增大的患者要警惕BAV存在,通过多种后处理手段能提高BAV的检出率。
[Abstract]:Objective to study the morphological features of aortic valve and thoracic aorta in patients with two-lobe aortic valve malformation by electrocardiographic gated CTA. Methods the imaging findings of 14 patients with BAV examined by ECG gated CTA were analyzed retrospectively. The aortic valve, aortic diameter and left atrium in patients with rheumatic heart disease and simple aortic valve calcification were compared. Results ECG gated CTA combined with appropriate post-processing methods could well display the anatomical features of BAV two-lobe aortic valve and double coronary sinus, and could display aortic valve thickening and calcification. Valve thickening and calcification in patients with BAV are similar to those in patients with rheumatic heart disease. The diameter and ratio of ascending aorta and descending aorta were larger than those of patients with rheumatic heart disease and simple aortic valve calcification. Conclusion ECG gated CTA is of great value in the diagnosis of BAV. Patients with aortic valve calcification and ascending aorta dilatation and ascending / descending aorta ratio increase in chest CT examination should be on guard against the presence of BAV. The detection rate of BAV can be improved by various post-processing methods.
【作者单位】：贵州省遵义市第一人民医院影像科;贵州省遵义市第一人民医院心内科;贵州省肿瘤医院介入科;
【分类号】：R542.5;R816.2
【正文快照】： 二叶式主动脉瓣畸形(bicuspid arotic valve,BAV)是主动脉瓣发育畸形中的一种常见类型,常并发主动脉瓣狭窄、主动脉返流及感染性心内膜炎等疾病。一直以来,BAV的诊断常依赖于超声心动图,而随着多层螺旋CT的普及,CT血管造影检查在心血管疾病的诊断中应用越来越广泛,笔者搜集14

【参考文献】