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01.12.2011 | Cardiac

The value of flat-detector computed tomography during catheterisation of congenital heart disease

verfasst von: Martin Glöckler, Andreas Koch, Verena Greim, Amira Shabaiek, Andrè Rüffer, Robert Cesnjevar, Stephan Achenbach, Sven Dittrich

Erschienen in: European Radiology | Ausgabe 12/2011

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Abstract

Objectives

To analyse the diagnostic utility of flat-detector computed tomography imaging (FD-CT) in patients with congenital heart disease, including the value of image fusion to overlay three-dimensional (3D) reconstructions on fluoroscopic images during catheter-based interventions.

Methods

We retrospectively analysed 62 consecutive paediatric patients in whom FD-CT was used during catheterisation of congenital heart disease. Expert operators rated the clinical value of FD-CT over conventional fluoroscopic imaging. Added radiation exposure and contrast medium volume were evaluated.

Results

During a 12-month period, FD-CT was performed in 62 out of 303 cardiac catheterisations. Median patient age was 3.5 years. In 32/62 cases, FD-CT was used for diagnostic purposes, in 30/62 cases it was used in the context of interventions. Diagnostic utility was never rated as “misleading”. It was classified as “not useful” in six cases (9.7%), “useful” in 18 cases (29.0%), “very useful” in 37 cases (59.7%) and “essential” in one case (1.6%). The median added dose-area product was 111.0 μGym², the required additional quantity of contrast medium was 1.6 ml/kg.

Conclusion

FD-CT provides useful diagnostic information in most of the patients investigated for congenital heart disease. The added radiation exposure and contrast medium volume are reasonable.

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Titel: The value of flat-detector computed tomography during catheterisation of congenital heart disease
verfasst von: Martin Glöckler
Andreas Koch
Verena Greim
Amira Shabaiek
Andrè Rüffer
Robert Cesnjevar
Stephan Achenbach
Sven Dittrich
Publikationsdatum: 01.12.2011
Verlag: Springer-Verlag
Erschienen in: European Radiology / Ausgabe 12/2011
Print ISSN: 0938-7994
Elektronische ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-011-2214-3

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The value of flat-detector computed tomography during catheterisation of congenital heart disease