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Utility of dual source CT with ECG-triggered high-pitch spiral acquisition (Flash Spiral Cardio mode) to evaluate morphological features of ventricles in children with complex congenital heart defects

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Abstract

Purpose

We evaluated the ability of dual source CT (DSCT) with ECG-triggered high-pitch spiral acquisition (Flash Spiral Cardio mode) to depict the morphological features of ventricles in pediatric patients with congenital heart defects (CHD).

Materials and methods

Between July 2013 and April 2015, 78 pediatric patients with CHD (median age 4 months) were examined using DSCT with the Flash Spiral Cardio mode. The types of ventricular abnormalities were ventricular septal defect (VSD) in 42 (the malaligned type in 11, perimembranous type in 23, supracristal type in 2, atrioventricular type in 2, and muscular type in 4), single ventricle (SV) in 11, and congenital corrected transposition of the great arteries (ccTGA) in 4. We evaluated the accuracy of the diagnosis of the VSD type. In cases of SV and ccTGA, we assessed the detectability of the anatomical features of both ventricles for a diagnosis of ventricular situs.

Results

DSCT confirmed the diagnoses for all VSDs. The type of defect was precisely diagnosed for all patients. The anatomical features of both ventricles were also depicted and ventricular situs of SV and ccTGA was correctly diagnosed.

Conclusion

The results suggest that DSCT has the ability to clearly depict the configuration of ventricles.

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Acknowledgement

M. Nakagawa received a research grant from JSPS KAKENHI, grant number 26861012.

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Authors and Affiliations

  1. Department of Radiology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan

    Motoo Nakagawa, Yoshiyuki Ozawa, Keita Sakurai, Masashi Shimohira, Masaki Ogawa & Yuta Shibamoto

  2. Department of Cardiovascular Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan

    Norikazu Nomura

  3. Department of Pediatrics and Neonatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan

    Sachiko Inukai

  4. Division of Central Radiology, Nagoya City University Hospital, Nagoya, Japan

    Satoshi Tsubokura

Authors
  1. Motoo Nakagawa
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  2. Yoshiyuki Ozawa
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  3. Norikazu Nomura
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  4. Sachiko Inukai
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  5. Satoshi Tsubokura
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  6. Keita Sakurai
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  7. Masashi Shimohira
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  8. Masaki Ogawa
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  9. Yuta Shibamoto
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Corresponding author

Correspondence to Motoo Nakagawa.

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The other authors declare that they have no conflict of interest.

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Nakagawa, M., Ozawa, Y., Nomura, N. et al. Utility of dual source CT with ECG-triggered high-pitch spiral acquisition (Flash Spiral Cardio mode) to evaluate morphological features of ventricles in children with complex congenital heart defects. Jpn J Radiol 34, 284–291 (2016). https://doi.org/10.1007/s11604-016-0522-x

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  • DOI: https://doi.org/10.1007/s11604-016-0522-x

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