Evaluation of stent visibility by flat panel detector CT in patients treated for intracranial aneurysms.

Détails

ID Serval
serval:BIB_EB5C99B73200
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Titre
Evaluation of stent visibility by flat panel detector CT in patients treated for intracranial aneurysms.
Périodique
Neuroradiology
Auteur⸱e⸱s
Clarençon F., Piotin M., Pistocchi S., Babic D., Blanc R.
ISSN
1432-1920 (Electronic)
ISSN-L
0028-3940
Statut éditorial
Publié
Date de publication
10/2012
Peer-reviewed
Oui
Volume
54
Numéro
10
Pages
1121-1125
Langue
anglais
Notes
Publication types: Journal Article
Publication Status: ppublish
Résumé
This study aimed to evaluate the visibility of stents using high-resolution computed tomography (CT) acquisitions acquired with flat panel detector (XperCT, Allura series, Philips Healthcare, The Netherlands) for endovascular treatment of intracranial aneurysms.
On a 24-month period, 48 patients endovascularly treated by coiling and stenting (59 stents) for intracranial aneurysms were explored by flat panel detector CT technique. A sequence of 620 2D images was acquired over an angle of 240° using a 1,024 × 1,024 pixel matrix detector within a 48-cm field of view. The images were retrospectively analyzed independently by two neuroradiologists. Evaluation criteria were percentage of visualization of the stents and stent deployment (kinking or unsatisfactory deployment of the stent).
Evaluation of the stent was feasible for all the patients. Stent visibility by XperCT was overall estimated at 76% of the stent length. Difficulties to analyze the stents were related to coil artifacts but not to packing density or aneurysm location. Stent length visualization was higher when the acquisition was performed before additional coiling (P < 0.0001). Mild kinking/misdeployment was noticed in 22% of the cases.
XperCT technique provides multiplanar and 3D reconstructions that allows for a satisfying visualization of intracranial stents. This CT-like acquisition should be performed after the stent deployment and before coiling, in order to obtain better stent visualization.
Mots-clé
Adult, Aged, Blood Vessel Prosthesis, Cerebral Angiography/instrumentation, Equipment Design, Female, Humans, Intracranial Aneurysm/diagnostic imaging, Intracranial Aneurysm/surgery, Male, Middle Aged, Prognosis, Reproducibility of Results, Retrospective Studies, Sensitivity and Specificity, Stents, Tomography, X-Ray Computed/instrumentation, Treatment Outcome, X-Ray Intensifying Screens
Pubmed
Web of science
Création de la notice
23/02/2024 15:01
Dernière modification de la notice
24/02/2024 8:35
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