Detection of pulmonary and coronary artery anomalies in tetralogy of ă Fallot using non-ECG-gated CT angiography

A. Hrusca, A. L. Rachisan, P. Gach, H. Pico, C. Sorensen, B. Bonello, Caroline Ovaert (), P. Petit (), V. Fouilloux, L. Mace and G. Gorincour ()
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G. Gorincour: Service d'Imagerie Médicale [CHU Rouen] - Hôpital Charles Nicolle [Rouen] - CHU Rouen - NU - Normandie Université - CHU Rouen - NU - Normandie Université - UNIROUEN - Université de Rouen Normandie - NU - Normandie Université

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Abstract: Objectives: To evaluate the use of non-ECG-gated computed tomography ă (CT) angiography to describe pulmonary and coronary defects in patients ă with tetralogy of Fallot (TOF). ă Patients and methods: This retrospective study was carried out on TOF ă patients having undergone pre-operative non-ECG-gated CT angiography ă between February 2007 and September 2012. The following clinical ă parameters were recorded: mean age at CT angiography, sex, the existence ă of genetic disease and the need to sedate the patient prior to CT ă angiography. CT data were analyzed retrospectively to determine the ă site(s) of pulmonary stenosis (infundibular, valvular or arterial), the ă size of pulmonary arteries and the presence of anomalous coronary artery ă courses. CT findings were then compared to the anatomy observed during ă surgery. ă Results: Thirty-five patients were included in the study. The mean age ă was 4.30 +/- 1.91 months (boys/girls = 17/18). Two patients had ă associated chromosome disorders (one 22q11 microdeletion and one CHARGE ă syndrome). Sixteen patients (45.71%) were sedated prior to CT. ă Pulmonary artery assessment revealed 24 patients (68.57%) with ă infundibular stenosis, 5 (17.5%) with infundibular and/or valvular ă stenosis, and 6 (21%) with anomalous pulmonary arteries. CT angiography ă also evidenced anomalous coronary arteries in 8 patients (22.85%). ă Conclusion: Due to its reduced scanning time and high spatial ă resolution, non-ECG-gated CT angiography is a non-invasive imaging ă modality that provides accurate information on pulmonary and coronary ă artery anatomy in patients with TOF. (C) 2016 Editions francaises de ă radiologie. Published by Elsevier Masson SAS. All rights reserved.

Keywords: Quality; of; Life (search for similar items in EconPapers)
Date: 2016-05
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Published in Diagnostic and Interventional Imaging, 2016, 97 (5), pp.543-548. ⟨10.1016/j.diii.2016.03.010⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-01482625

DOI: 10.1016/j.diii.2016.03.010

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