Double Bolus Application in TWIST-MR-Angiography of the Cervical Arteries
Purpose. The aim of the present work was to test the feasibility of the time-resolved MR-angiography (TWIST-MRA) of cervical arteries using double bolus injection. Material and Methods. TWIST-MRA with a temporal resolution of 8.4 seconds for each frame and a spatial resolution with a voxel size of...
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| Format: | Article |
| Language: | English |
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Wiley
2012-01-01
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| Series: | Radiology Research and Practice |
| Online Access: | http://dx.doi.org/10.1155/2012/203538 |
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| _version_ | 1832550318260355072 |
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| author | Andreas Korn Michael Fenchel Till-Karsten Hauser Sotirios Bisdas Thomas Nägele Ulrike Ernemann Uwe Klose Benjamin Bender |
| author_facet | Andreas Korn Michael Fenchel Till-Karsten Hauser Sotirios Bisdas Thomas Nägele Ulrike Ernemann Uwe Klose Benjamin Bender |
| author_sort | Andreas Korn |
| collection | DOAJ |
| description | Purpose.
The aim of the present work was to test the feasibility of the time-resolved MR-angiography (TWIST-MRA) of cervical arteries using double bolus injection. Material and Methods. TWIST-MRA with a temporal resolution of 8.4 seconds for each frame and a spatial resolution with a voxel size of
was performed in 24 patients. A biphasic bolus injection protocol was used with the second injection being started 21 seconds after the first contrast dye bolus. Diagnostic image quality was rated according to a 4-point scale. Results. In 12 patients (50%) no clear separation between the cervical venous and arterial vessels was evident after the first bolus injection. Using TWIST-MRA data acquired after the second bolus a sufficient diagnostic image quality (rating , mean 3.5) could be obtained in 22 of 24 patients (92%). Discussion. The double bolus injection protocol using TWIST-MRA allows for very good separation of the cervical arteries. |
| format | Article |
| id | doaj-art-f795baf79e92473d9404f9069238f2d2 |
| institution | Kabale University |
| issn | 2090-1941 2090-195X |
| language | English |
| publishDate | 2012-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Radiology Research and Practice |
| spelling | doaj-art-f795baf79e92473d9404f9069238f2d22025-02-03T06:07:10ZengWileyRadiology Research and Practice2090-19412090-195X2012-01-01201210.1155/2012/203538203538Double Bolus Application in TWIST-MR-Angiography of the Cervical ArteriesAndreas Korn0Michael Fenchel1Till-Karsten Hauser2Sotirios Bisdas3Thomas Nägele4Ulrike Ernemann5Uwe Klose6Benjamin Bender7Department of Diagnostic and Interventional Neuroradiology, University of Tübingen, Hoppe-Seyler Street 3, 72076 Tübingen, GermanyDepartment of Diagnostic and Interventional Neuroradiology, University of Tübingen, Hoppe-Seyler Street 3, 72076 Tübingen, GermanyDepartment of Diagnostic and Interventional Neuroradiology, University of Tübingen, Hoppe-Seyler Street 3, 72076 Tübingen, GermanyDepartment of Diagnostic and Interventional Neuroradiology, University of Tübingen, Hoppe-Seyler Street 3, 72076 Tübingen, GermanyDepartment of Diagnostic and Interventional Neuroradiology, University of Tübingen, Hoppe-Seyler Street 3, 72076 Tübingen, GermanyDepartment of Diagnostic and Interventional Neuroradiology, University of Tübingen, Hoppe-Seyler Street 3, 72076 Tübingen, GermanyDepartment of Diagnostic and Interventional Neuroradiology, University of Tübingen, Hoppe-Seyler Street 3, 72076 Tübingen, GermanyDepartment of Diagnostic and Interventional Neuroradiology, University of Tübingen, Hoppe-Seyler Street 3, 72076 Tübingen, GermanyPurpose. The aim of the present work was to test the feasibility of the time-resolved MR-angiography (TWIST-MRA) of cervical arteries using double bolus injection. Material and Methods. TWIST-MRA with a temporal resolution of 8.4 seconds for each frame and a spatial resolution with a voxel size of was performed in 24 patients. A biphasic bolus injection protocol was used with the second injection being started 21 seconds after the first contrast dye bolus. Diagnostic image quality was rated according to a 4-point scale. Results. In 12 patients (50%) no clear separation between the cervical venous and arterial vessels was evident after the first bolus injection. Using TWIST-MRA data acquired after the second bolus a sufficient diagnostic image quality (rating , mean 3.5) could be obtained in 22 of 24 patients (92%). Discussion. The double bolus injection protocol using TWIST-MRA allows for very good separation of the cervical arteries.http://dx.doi.org/10.1155/2012/203538 |
| spellingShingle | Andreas Korn Michael Fenchel Till-Karsten Hauser Sotirios Bisdas Thomas Nägele Ulrike Ernemann Uwe Klose Benjamin Bender Double Bolus Application in TWIST-MR-Angiography of the Cervical Arteries Radiology Research and Practice |
| title | Double Bolus Application in TWIST-MR-Angiography of the Cervical Arteries |
| title_full | Double Bolus Application in TWIST-MR-Angiography of the Cervical Arteries |
| title_fullStr | Double Bolus Application in TWIST-MR-Angiography of the Cervical Arteries |
| title_full_unstemmed | Double Bolus Application in TWIST-MR-Angiography of the Cervical Arteries |
| title_short | Double Bolus Application in TWIST-MR-Angiography of the Cervical Arteries |
| title_sort | double bolus application in twist mr angiography of the cervical arteries |
| url | http://dx.doi.org/10.1155/2012/203538 |
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