ArticleNeuroradiology2013
Comparison of 3D computer-aided with manual cerebral aneurysm measurements in different imaging modalities.
Article in Neuroradiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Aneurysm Recurrence Volumetry Is More Sensitive than Visual Evaluation of Aneurysm Recurrences.Clinical neuroradiology · 2016Trial
- Inter-modality correlation across invasive and noninvasive angiography in the three-dimensional assessment of cerebral aneurysms.Surgical neurology international · 2025Article
- Computer-Assisted Adjuncts for Aneurysmal Morphologic Assessment: Toward More Precise and Accurate Approaches.Proceedings of SPIE--the International Society for Optical Engineering · 2017Article
- Feasibility of Quantification of Intracranial Aneurysm Pulsation with 4D CTA with Manual and Computer-Aided Post-Processing.PloS one · 2016Article
- Benefit of second catheter angiography in patients with nontraumatic subarachnoidal hemorrhage.Clinical neuroradiology · 2015Article
- Arterial distensibility in patients with ruptured and unruptured intracranial aneurysms: is it a predisposing factor for rupture risk?Medical science monitor : international medical journal of experimental and clinical research · 2013Article
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Authors and funding
6 authors.
Funding
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Abstract
introductionTo compare intra- and inter-observer reliability of aneurysm measurements obtained by a 3D computer-aided technique with standard manual aneurysm measurements in different imaging modalities.
methodsA total of 21 patients with 29 cerebral aneurysms were studied. All patients underwent digital subtraction angiography (DSA), contrast-enhanced (CE-MRA) and time-of-flight magnetic resonance angiography (TOF-MRA). Aneurysm neck and depth diameters were manually measured by two observers in each modality. Additionally, semi-automatic computer-aided diameter measurements were performed using 3D vessel surface models derived from CE- (CE-com) and TOF-MRA (TOF-com) datasets. Bland-Altman analysis (BA) and intra-class correlation coefficient (ICC) were used to evaluate intra- and inter-observer agreement.
resultsBA revealed the narrowest relative limits of intra- and inter-observer agreement for aneurysm neck and depth diameters obtained by TOF-com (ranging between ±5.3 % and ±28.3 %) and CE-com (ranging between ±23.3 % and ±38.1 %). Direct measurements in DSA, TOF-MRA and CE-MRA showed considerably wider limits of agreement. The highest ICCs were observed for TOF-com and CE-com (ICC values, 0.92 or higher for intra- as well as inter-observer reliability).
conclusionComputer-aided aneurysm measurement in 3D offers improved intra- and inter-observer reliability and a reproducible parameter extraction, which may be used in clinical routine and as objective surrogate end-points in clinical trials.
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