Direction, location, and size of shunt flow in congenital heart disease evaluated by ECG-gated multislice computed tomography.

Abstract:

OBJECTIVE:To demonstrate the utility of multislice computed tomography (MSCT) in the evaluation of direction, location, and size of shunt flow in congenital heart disease. BACKGROUND:Transthoracic and transesophageal echocardiography, magnetic resonance imaging, and conventional angiography has been used to evaluate congenital heart disease; however, some are invasive and some do not provide accurate information about the spatial relationship to other organs. METHODS:Three patients with typical presentation of ventricular septal defect, atrial septal defect, and patent ductus arteriosus were recruited. Enhanced MSCT (Light Speed Ultra 16, General Electric) was performed with a 1.25-mm slice thickness, helical pitch 3.25. Following intravenous injection of 100 ml of iodinated contrast material (350 mg I/ml) at a rate of 3 ml/s, CT scanning was performed with retrospective ECG-gated reconstruction at 5 s and 30 s after injection. RESULTS:In all cases the information of direction, location, and size of shunt flow including left-to-right and right-to-left shunt with spatial relationship to other organs could be obtained non-invasively. CONCLUSION:ECG-gated MSCT is a useful tool to evaluate congenital heart diseases with shunts.

journal_name

Int J Cardiol

authors

Funabashi N,Asano M,Sekine T,Nakayama T,Komuro I

doi

10.1016/j.ijcard.2005.07.078

subject

Has Abstract

pub_date

2006-10-10 00:00:00

pages

399-404

issue

3

eissn

0167-5273

issn

1874-1754

pii

S0167-5273(05)01136-8

journal_volume

112

pub_type

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