MR Angiographic Follow-Up of Intracranial Aneurysms Treated with Detachable Coils: Evaluation of a Blood-Pool Contrast Medium

Kau, Thomas; Gasser, Johann; Celedin, Stefan; Rabitsch, Egon; Eicher, Wolfgang; E, Uhl; Hausegger, K

doi:10.3174/ajnr.a1622

Cited by 15 publications

(4 citation statements)

References 39 publications

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“…[30][31][32][33][34][35] However, further increases in spatial resolution, intended to provide a detailed evaluation, lead to a decreased signal-to-noise ratio and increased scan time. In addition, the increased scan time might impair image quality as a result of subject motion.…”

Section: Discussionmentioning

confidence: 99%

Time-of-Flight Magnetic Resonance Angiography With Sparse Undersampling and Iterative Reconstruction

Yamamoto

Fujimoto

Okada

et al. 2016

Investigative Radiology

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Section: Discussionmentioning

confidence: 99%

Time-of-Flight Magnetic Resonance Angiography With Sparse Undersampling and Iterative Reconstruction

Yamamoto

Fujimoto

Okada

et al. 2016

Investigative Radiology

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“…In previous studies, the diagnostic value of MRA has been determined versus various DSA techniques. Reference methods included 2D acquisitions in standard or working projections [10, 11], 3D-DSA [13, 14], or undefined combination of 2D and 3D-DSA [12, 23]. Despite numerous false results of 2D-DSA in the follow-up of embolized aneurysms presented by several authors [13–19], the method was not prospectively validated to our knowledge.…”

Section: Discussionmentioning

confidence: 99%

Follow-up after embolization of ruptured intracranial aneurysms: A prospective comparison of two-dimensional digital subtraction angiography, three-dimensional digital subtraction angiography, and time-of-flight magnetic resonance angiography

et al. 2012

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IntroductionTo prospectively compare of the diagnostic value of digital subtraction angiography (DSA) and time-of-flight magnetic resonance angiography (TOF-MRA) in the follow-up of intracranial aneurysms after endovascular treatment.MethodsSeventy-two consecutive patients were examined 3 months after the embolization. The index tests included: two-dimensional DSA (2D-DSA), three-dimensional DSA (3D-DSA), and TOF-MRA. The reference test was a retrospective consensus between 2D-DSA images, 3D-DSA images, and source rotational DSA images. The evaluation included: detection of the residual flow, quantification of the flow, and validity of the decision regarding retreatment. Intraobserver agreement and interobserver agreement were determined.ResultsThe sensitivity and specificity of residual flow detection ranged from 84.6 % (2D-DSA and TOF-MRA) to 92.3 % (3D-DSA) and from 91.3 % (TOF-MRA) to 97.8 % (3D-DSA), respectively. The accuracy of occlusion degree evaluation ranged from 0.78 (2D-DSA) to 0.92 (3D-DSA, Cohen’s kappa). The 2D-DSA method presented lower performance in the decision on retreatment than 3D-DSA (P < 0.05, ROC analysis). The intraobserver agreement was very good for all techniques (κ = 0.80–0.97). The interobserver agreement was moderate for TOF-MRA and very good for 2D-DSA and 3D-DSA (κ = 0.72–0.94).ConclusionConsidering the invasiveness of DSA and the minor difference in the diagnostic performance between 3D-DSA and TOF-MRA, the latter method should be the first-line modality for follow-up after aneurysm embolization.

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“…CE-MRA showed a tendency toward higher accuracy for the detection of aneurysm remnants [13], and CE-MRA at 3T is superior to TOF-MRA for visualization of residual patency and is associated with fewer artifacts [14]. And the use of contrast agent did not significantly increase the accuracy of follow-up MRA [15].…”

Section: The Application Of Mr Imaging In Intracranial Aneurysms Diag...mentioning

confidence: 84%

MRI and MRA Diagnosis of Intracranial Aneurysms

Wei

Tian³

2011

AMM

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With the development of modern medical imaging technology, computer tomography (CT), magnetic resonance imaging (MRI), magnetic resonance angiography (MRA), digital subtraction angiography (DSA) and other ways widely used, more and more intracranial aneurysms were diagnosed. In the imaging methods described above, MRI is a non-invasive diagnostic method for intracranial aneurysm which shows in detail the aneurysm and its relationship to the brain, and it has become first-line imaging techniques in assessment of the patient with suspected intracranial aneurysm. MRA can show the arteries and veins of the brain as well as the aneurysm. Nowadays, MRI and MRA are extensively used in the diagnosis of intracranial aneurysms, intracranial aneurysms after treatment and intracranial aneurysms inflammation. This review describes the advantages of MRI and MRA for diagnosis and describes diagnostic pitfalls.

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MR Angiographic Follow-Up of Intracranial Aneurysms Treated with Detachable Coils: Evaluation of a Blood-Pool Contrast Medium

Cited by 15 publications

References 39 publications

Time-of-Flight Magnetic Resonance Angiography With Sparse Undersampling and Iterative Reconstruction

Time-of-Flight Magnetic Resonance Angiography With Sparse Undersampling and Iterative Reconstruction

Follow-up after embolization of ruptured intracranial aneurysms: A prospective comparison of two-dimensional digital subtraction angiography, three-dimensional digital subtraction angiography, and time-of-flight magnetic resonance angiography

MRI and MRA Diagnosis of Intracranial Aneurysms

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