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01-06-2006 | Original Article

Imaging of aortopulmonary collateral arteries with high-resolution multidetector CT

Authors: Gerald F. Greil, Max Schoebinger, Axel Kuettner, Juergen F. Schaefer, Florian Dammann, Claus D. Claussen, Michael Hofbeck, Hans-Peter Meinzer, Ludger Sieverding

Published in: Pediatric Radiology | Issue 6/2006

Abstract

Background

Precise visualization of the pulmonary vasculature is mandatory for adequate treatment of patients with pulmonary atresia and ventricular septal defect (PA-VSD). Aortopulmonary collateral arteries (APCs) can be visualized by selective injections of contrast agent in the catheterization laboratory.

Objective

To evaluate multidetector CT (MDCT) and different image postprocessing methods for analysis of complex pulmonary blood supply in patients with PA-VSD.

Materials and methods

Eight patients (6 weeks to 27.8 years of age) with PA-VSD and APCs underwent MDCT and cardiac catheterization. Using multiplanar reformatting, volume rendering and semiautomatic segmentation algorithms, the aorta, pulmonary arteries and APCs were displayed. MDCT and cardiac catheterization were analyzed by two independent observers.

Results

MDCT accurately imaged central pulmonary arteries (n=8), aortopulmonary shunts (n=2), right ventricular to pulmonary artery conduits (n=2) and origin, course and intrapulmonary connections of APCs (n=25), compared to X-ray angiography. A high correlation was found between the MDCT vessel diameter measurements by two independent observers (n=70, r=0.96, P<0.01) and between MDCT and angiographic vessel diameter measurements (n=68, r=0.96, P<0.01).

Conclusions

Using three-dimensional imaging software, a complex pulmonary blood supply can be non-invasively and accurately imaged with high-resolution MDCT. This technique may help to reduce the number of cardiac catheterizations or guide interventional or surgical therapy.

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Title: Imaging of aortopulmonary collateral arteries with high-resolution multidetector CT
Authors: Gerald F. Greil
Max Schoebinger
Axel Kuettner
Juergen F. Schaefer
Florian Dammann
Claus D. Claussen
Michael Hofbeck
Hans-Peter Meinzer
Ludger Sieverding
Publication date: 01-06-2006
Publisher: Springer-Verlag
Published in: Pediatric Radiology / Issue 6/2006
Print ISSN: 0301-0449
Electronic ISSN: 1432-1998
DOI: https://doi.org/10.1007/s00247-006-0143-0

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Springer Medicine

Imaging of aortopulmonary collateral arteries with high-resolution multidetector CT

Abstract

Background

Objective

Materials and methods

Results

Conclusions

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Abstract

Background

Objective

Materials and methods

Results

Conclusions

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