Department of Radiology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, China; Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of South China Structural Heart Disease, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, China.
Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Linkou and Chang Gung University, Taoyuan, Taiwan.
Sci Rep. 2017 Jan 5;7:40042. doi: 10.1038/srep40042.
We evaluated the prevalence, image appearance, associated cardiovascular anomalies, and surgical outcomes of left pulmonary artery sling (LPAS) using cardiovascular computed tomography angiography (CCTA). A retrospective search of patients from our database between October 2007 and December 2014 identified 52,200 patients with congenital heart diseases (CHD) referred for CCTA, echocardiography, or magnetic resonance imaging. Clinical information, CCTA findings, associated cardiovascular anomalies, and surgical outcomes were analyzed. We showed a hospital-based prevalence of 71 patients with LPAS (0.14%, 71/52,200) among CHD patients. Of these, 47 patients with CCTA examinations were assessed further. Most patients (40/47, 85%) had associated cardiovascular anomalies, of which ventricular septal defects (22/47, 47%), atrial septal defects (20/47, 43%), patent ductus arteriosus (16/47, 34%), persistent left superior vena cava (14/47, 30%), and abnormal branching of the right pulmonary artery (ABRPA) (14/47, 30%) were most commonly identified. In total, 28 patients underwent LPA reanastomosis and/or tracheoplasty in our center, and 5 died. LPAS had a hospital-based prevalence of 0.14% among CHD patients. ABRPA is not uncommon and must be recognized. CCTA is a feasible method for demonstrating LPAS and its associated cardiovascular anomalies for an optimal pre-operative assessment of LPAS.
我们使用心血管计算机断层血管造影（CCTA）评估了左肺动脉吊带（LPAS）的患病率、图像表现、相关心血管异常和手术结果。对 2007 年 10 月至 2014 年 12 月期间我们数据库中因 CCTA、超声心动图或磁共振成像而转诊的 52200 例先天性心脏病（CHD）患者进行了回顾性搜索。分析了临床信息、CCTA 结果、相关心血管异常和手术结果。我们显示了 CHD 患者中 LPAS 的基于医院的患病率为 71 例（0.14%，71/52200）。其中，47 例患者接受了 CCTA 检查。大多数患者（40/47，85%）有相关心血管异常，其中室间隔缺损（22/47，47%）、房间隔缺损（20/47，43%）、动脉导管未闭（16/47，34%）、永存左上腔静脉（14/47，30%）和右肺动脉异常分支（ABRPA）（14/47，30%）最常见。共有 28 例患者在我院行 LPA 再吻合术和/或气管成形术，其中 5 例死亡。LPAS 在 CHD 患者中的基于医院的患病率为 0.14%。ABRPA 并不少见，必须予以识别。CCTA 是一种可行的方法，可用于显示 LPAS 及其相关心血管异常，从而对 LPAS 进行最佳的术前评估。
