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The value of dual-energy CTA for control of surgically clipped aneurysms.

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Title: The value of dual-energy CTA for control of surgically clipped aneurysms.
Authors: Fahrendorf DM (AUTHOR), Goericke SL (AUTHOR), Oezkan N (AUTHOR), Breyer T (AUTHOR), Hussain S (AUTHOR), Sandalcioglu EI (AUTHOR), Sure U (AUTHOR), Forsting M (AUTHOR), Gizewski ER (AUTHOR), Fahrendorf, Delia M1 (AUTHOR), Goericke, Sophia L (AUTHOR), Oezkan, Neriman (AUTHOR), Breyer, Tobias (AUTHOR), Hussain, Sajid (AUTHOR), Sandalcioglu, Erol I (AUTHOR), Sure, Ulrich (AUTHOR), Forsting, Michael (AUTHOR), Gizewski, Elke R (AUTHOR)
Source: European Radiology. Oct2011, Vol. 21 Issue 10, p2193-2201. 9p.
Abstract: Objective: Comparison of image quality in DE-CTA with and without automatic head bone removal (BR) versus CTA with 16-detectors as a tool in postoperative evaluation of patients after neurosurgical clipping.Methods: In this study 30 aneurysms that had undergone neurosurgical clipping were included: 18 with DE-CTA and 12 with conventional CTA. The images were further processed using the volume rendering technique (VRT) and BR. Two experienced neuroradiologists reviewed the images regarding the severity of artefacts surrounding the clip, visibility of the vessels and remnant necks. The results were compared with DSA images, if performed.Results: Significantly fewer disturbances by artefacts were observed in DE-CTA versus CTA in a 16-row system. Visibility of the surrounding vessels was satisfying in both techniques and there were comparable results with DSA with only one exception. All images produced with 140 kV provided fewer artefacts than those with 80 kV.Conclusion: DE-CTA provides better image quality with fewer disturbances by clip artefact, a satisfying evaluation of remnant aneurysm necks and the surrounding vessels. As this method is easily performed and readily accessible with fast image post-processing using BR it provides an opportunity to avoid invasive DSA in the evaluation of suspected aneurysm rests. [ABSTRACT FROM AUTHOR]
Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: The value of dual-energy CTA for control of surgically clipped aneurysms.
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  Data: <searchLink fieldCode="AR" term="%22Fahrendorf+DM%22">Fahrendorf DM</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Goericke+SL%22">Goericke SL</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Oezkan+N%22">Oezkan N</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Breyer+T%22">Breyer T</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hussain+S%22">Hussain S</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sandalcioglu+EI%22">Sandalcioglu EI</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sure+U%22">Sure U</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Forsting+M%22">Forsting M</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gizewski+ER%22">Gizewski ER</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fahrendorf%2C+Delia+M%22">Fahrendorf, Delia M</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Goericke%2C+Sophia+L%22">Goericke, Sophia L</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Oezkan%2C+Neriman%22">Oezkan, Neriman</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Breyer%2C+Tobias%22">Breyer, Tobias</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hussain%2C+Sajid%22">Hussain, Sajid</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sandalcioglu%2C+Erol+I%22">Sandalcioglu, Erol I</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sure%2C+Ulrich%22">Sure, Ulrich</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Forsting%2C+Michael%22">Forsting, Michael</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gizewski%2C+Elke+R%22">Gizewski, Elke R</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Radiology%22">European Radiology</searchLink>. Oct2011, Vol. 21 Issue 10, p2193-2201. 9p.
– Name: Abstract
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  Data: <bold>Objective: </bold>Comparison of image quality in DE-CTA with and without automatic head bone removal (BR) versus CTA with 16-detectors as a tool in postoperative evaluation of patients after neurosurgical clipping.<bold>Methods: </bold>In this study 30 aneurysms that had undergone neurosurgical clipping were included: 18 with DE-CTA and 12 with conventional CTA. The images were further processed using the volume rendering technique (VRT) and BR. Two experienced neuroradiologists reviewed the images regarding the severity of artefacts surrounding the clip, visibility of the vessels and remnant necks. The results were compared with DSA images, if performed.<bold>Results: </bold>Significantly fewer disturbances by artefacts were observed in DE-CTA versus CTA in a 16-row system. Visibility of the surrounding vessels was satisfying in both techniques and there were comparable results with DSA with only one exception. All images produced with 140 kV provided fewer artefacts than those with 80 kV.<bold>Conclusion: </bold>DE-CTA provides better image quality with fewer disturbances by clip artefact, a satisfying evaluation of remnant aneurysm necks and the surrounding vessels. As this method is easily performed and readily accessible with fast image post-processing using BR it provides an opportunity to avoid invasive DSA in the evaluation of suspected aneurysm rests. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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