Evaluation of left pulmonary artery sling, associated cardiovascular anomalies, and surgical outcomes using cardiovascular computed tomography angiography

Jiajun Xie, Yu Hsiang Juan, Qiushi Wang, Jimei Chen, Jian Zhuang, Zhaofeng Xie, Changhong Liang, Yulei Zhu, Zhuliang Yu, Jinglei Li, Sachin S. Saboo, Hui Liu

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Abstract

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.

Original languageEnglish (US)
Article number40042
JournalScientific Reports
Volume7
DOIs
StatePublished - Jan 5 2017

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Pulmonary Artery
Heart Diseases
Superior Vena Cava
Patent Ductus Arteriosus
Atrial Heart Septal Defects
Computed Tomography Angiography
Ventricular Heart Septal Defects
Echocardiography
Magnetic Resonance Imaging
Databases

ASJC Scopus subject areas

  • General

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Evaluation of left pulmonary artery sling, associated cardiovascular anomalies, and surgical outcomes using cardiovascular computed tomography angiography. / Xie, Jiajun; Juan, Yu Hsiang; Wang, Qiushi; Chen, Jimei; Zhuang, Jian; Xie, Zhaofeng; Liang, Changhong; Zhu, Yulei; Yu, Zhuliang; Li, Jinglei; Saboo, Sachin S.; Liu, Hui.

In: Scientific Reports, Vol. 7, 40042, 05.01.2017.

Research output: Contribution to journalArticle

Xie, Jiajun ; Juan, Yu Hsiang ; Wang, Qiushi ; Chen, Jimei ; Zhuang, Jian ; Xie, Zhaofeng ; Liang, Changhong ; Zhu, Yulei ; Yu, Zhuliang ; Li, Jinglei ; Saboo, Sachin S. ; Liu, Hui. / Evaluation of left pulmonary artery sling, associated cardiovascular anomalies, and surgical outcomes using cardiovascular computed tomography angiography. In: Scientific Reports. 2017 ; Vol. 7.
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abstract = "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.",
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