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Diagnostic role of magnetic resonance imaging in identifying aortic arch anomalies.

Abstract：

PURPOSE:The aim of this article was to assess the role of MRI in the diagnosis and management of a variety of complex aortic arch anomalies. MATERIALS AND METHODS:Imaging was performed on a 1.5T Philips Gyroscan Intera. We retrospectively reviewed all cardiac MR scans performed from November 2003 to February 2007 at our institute to identify aortic arch anomalies. Magnetic resonance imaging included three-dimensional (3D) sagittal volume images, cine images, short axis ventricular volumes, phase contrast flow of great vessels, and 3D gadolinium magnetic resonance angiogram. RESULTS:Three major categories of anomalies were identified in 47 patients: double aortic arch (n = 9), right-sided aortic arch with mirror image branching (n = 28), and aberrant right subclavian artery (n = 10). In the double aortic arch group, six patients were symptomatic, and four of them underwent a surgical division. Magnetic resonance imaging was used to plan the surgical management. In the other two groups, no patient presented with symptoms of airway or esophageal compression, and the arch abnormalities were noticed during investigation for other associated cardiac disease. However, we noticed a strong correlation with well-defined subgroups of congenital heart disease. Right-sided aortic arch was seen in patients with pulmonary atresia with ventricular septal defect (46.4%), tetralogy of Fallot (32.1%), and double outlet right ventricle with right atrial isomerism (14.2%). Seventy percent of the patients with aberrant right subclavian artery had aortic coarctation, and another case presented a complete aortic arch interruption. CONCLUSION:Magnetic resonance imaging is an important diagnostic tool in identifying anomalies of the aortic arch and its branches and can be considered the imaging technique of choice when planning surgical management, especially when there are associated cardiac anomalies.

journal_name

Congenit Heart Dis

journal_title

Congenital heart disease

authors

Cantinotti M,Hegde S,Bell A,Razavi R

doi

10.1111/j.1747-0803.2008.00174.x

subject

Has Abstract

pub_date

2008-03-01 00:00:00

pages

117-23

issue

eissn

1747-079X

issn

1747-0803

pii

CHD174

journal_volume

pub_type

杂志文章

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Diagnostic role of magnetic resonance imaging in identifying aortic arch anomalies.