CT angiography, MR angiography and rotational digital subtraction angiography for volumetric assessment of intracranial aneurysms.

An experimental study

M. Piotin, P. Gailloud, L. Bidaut, S. Mandai, M. Muster, J. Moret, D.A. Rüfenacht

    Research output: Contribution to journalArticle

    76 Citations (Scopus)

    Abstract

    The purpose of our experimental study was to assess the accuracy and precision of CT angiography (CTA), MR angiography (MRA) and rotational digital subtraction angiography (DSA) for measuring the volume of an in vitro aneurysm model. A rigid model of the anterior cerebral circulation harbouring an anterior communicating aneurysm was connected to a pulsatile circuit. It was studied using unenhanced 3D time-of-flight MRA, contrast-enhanced CTA and rotational DSA angiography. The source images were then postprocessed on dedicated workstations to calculate the volume of the aneurysm. CTA was more accurate than MRA (P = 0.0019). Rotational DSA was more accurate than CTA, although the difference did not reach statistical significance (P = 0.1605), and significantly more accurate than MRA (P <0.00001). CTA was more precise than MRA (P = 0.12), although this did not reach statistical significance. Rotational DSA can be part of the diagnosis, treatment planning and support endovascular treatment of intracranial aneurysms. The emerging endovascular treatment techniques which consist of using liquid polymers as implants to exclude aneurysms from arterial circulation would certainly benefit from this precise measurement of the volume of aneurysms.
    Original languageEnglish
    Pages (from-to)404-409
    Number of pages6
    JournalNeuroradiology
    Volume45
    Issue number6
    DOIs
    Publication statusPublished - 1 Jun 2003

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    Digital Subtraction Angiography
    Intracranial Aneurysm
    Angiography
    Aneurysm
    Cerebrovascular Circulation
    Endovascular Procedures
    Computed Tomography Angiography
    Polymers

    Cite this

    Piotin, M. ; Gailloud, P. ; Bidaut, L. ; Mandai, S. ; Muster, M. ; Moret, J. ; Rüfenacht, D.A. / CT angiography, MR angiography and rotational digital subtraction angiography for volumetric assessment of intracranial aneurysms. An experimental study. In: Neuroradiology. 2003 ; Vol. 45, No. 6. pp. 404-409.
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    CT angiography, MR angiography and rotational digital subtraction angiography for volumetric assessment of intracranial aneurysms. An experimental study. / Piotin, M.; Gailloud, P.; Bidaut, L.; Mandai, S.; Muster, M.; Moret, J.; Rüfenacht, D.A.

    In: Neuroradiology, Vol. 45, No. 6, 01.06.2003, p. 404-409.

    Research output: Contribution to journalArticle

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