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Boccalini S, den Harder AM, Witsenburg M, Breur JPJM, Krestin GP, van Beynum IM, Attrach M, Stagnaro N, Marasini M, de Jong PA, Leiner T, Budde RPJ. Computed tomography image quality of aortic stents in patients with aortic coarctation: a multicentre evaluation. Eur Radiol Exp 2018; 2:17. [PMID: 33252748 PMCID: PMC6091724 DOI: 10.1186/s41747-018-0046-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 04/27/2018] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Stents are commonly used to treat aortic coarctation. The objective of this study was to evaluate the post-implantation computed tomography (CT) image quality of different stent types used to treat aortic coarctation. METHODS Adult and paediatric patients with stent-treated aortic coarctation who underwent contrast-enhanced CT were retrospectively included from three tertiary care centres. CT scans were subjectively scored for image quality using a 4-point scale (1 = unacceptable; 2 = poor; 3 = good; 4 = excellent). Furthermore, the amount of stent-induced blooming artefacts was measured as the percentage of the difference between outer and inner stent diameters over the outer stent diameter. RESULTS A total of 35 children and 34 adults implanted with 71 stents of six different types were included. The most commonly used stent type was the Cheatham Platinum stent (52 stents, 73%). The subjective image quality of the Cheatham Platinum stents was moderate with a score of 2.0±0.8 (mean ± standard deviation) in children and 2.3±0.6 in adults. The image quality in patients with Formula stents was 2.3±1.2. The Cheatham Platinum stents induced 34-48% blooming, the Formula stents 44-55%. The image quality in patients with the less commonly used Atrium Advanta V12, IntraStent, AndraStent and Palmaz stents was scored 3 (good) to 4 (excellent) with less blooming. The electrocardiographic gating and tube voltage (kVp) did not affect image quality. CONCLUSIONS There is a substantial variation in CT image quality and blooming artefacts for different stent types used to treat aortic coarctation.
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Affiliation(s)
- Sara Boccalini
- Department of Radiology, Erasmus Medical Center, PO Box 2040, 3000CA, Rotterdam, The Netherlands.
| | - Annemarie M den Harder
- Department of Radiology, University Medical Center Utrecht, PO Box 85500, 3508GA, Utrecht, The Netherlands
| | - Maarten Witsenburg
- Department of Cardiology, Erasmus Medical Center, PO Box 2040, 3000CA, Rotterdam, The Netherlands
| | - Johannes P J M Breur
- Department of Pediatric Cardiology, University Medical Center Utrecht, PO Box 85500, 3508GA, Utrecht, The Netherlands
| | - Gabriel P Krestin
- Department of Radiology, Erasmus Medical Center, PO Box 2040, 3000CA, Rotterdam, The Netherlands
| | - Ingrid M van Beynum
- Department of Pediatric Cardiology, Erasmus Medical Center, PO Box 2040, 3000CA, Rotterdam, The Netherlands
| | - Mohamed Attrach
- Department of Radiology, Erasmus Medical Center, PO Box 2040, 3000CA, Rotterdam, The Netherlands
| | - Nicola Stagnaro
- Department of Radiology, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147, Genoa, Italy
| | - Maurizio Marasini
- Department of Cardiology, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147, Genoa, Italy
| | - Pim A de Jong
- Department of Radiology, University Medical Center Utrecht, PO Box 85500, 3508GA, Utrecht, The Netherlands
| | - Tim Leiner
- Department of Radiology, University Medical Center Utrecht, PO Box 85500, 3508GA, Utrecht, The Netherlands
| | - Ricardo P J Budde
- Department of Radiology, Erasmus Medical Center, PO Box 2040, 3000CA, Rotterdam, The Netherlands
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