Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 10 of 10 for “"digital subtraction angiography"”.
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Feasibility of using Lodox to perform digital subtraction angiography
… and the origin of lesions or blockages. Digital subtraction angiography (DSA) is a tool used to improve the clarity of the vessels being imaged for better and easier decision making in diagnostics and planning. Lodox, a low dose x-ray system developed by Debex (Pty) Ltd, a subsidiary of …
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A retrospective study of CT angiography versus digital subtraction angiography in penetrating neck trauma
… data validating the use of Computed Tomography Angiography (CTA) in the evaluation of penetrating neck trauma. OBJECTIVES. To assess the sensitivity and specificity of CTA versus Digital Subtraction Angiography (DSA) in detecting arterial injury and secondarily evaluate the ability of CT to …
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Workflow Analysis, Modelling and Simulation for Improving Conventional and MRI-guided Vascular Interventions
… Resonance (MR) imaging in comparison with X-Ray Digital Subtraction Angiography (DSA). The methodological framework includes an assessment of commercial simulation software packages to evaluate their fitness to the specific requirements of this research. The novel methodology is applied to …
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Quantitative Cerebrovascular Reserve Measured by Acetazolamide-Challenged Dynamic CT Perfusion in Ischemic Adult Moyamoya Disease : Initial Experience with Angiographic Correlation
… underwent both ACZ-challenged CT perfusion and digital subtraction angiography. Normalized baseline hemodynamic parameters and their percent changes (PCs) were calculated in 56 hemispheres. We classified the degrees of distal carotid artery stenosis according to modified Suzuki stage and …
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Non-invasive diagnostic methods of intracranial arteries
… the agreement of different magnetic resonance angiography(MRA) techniques and digital subtraction angiography (DSA) in follow-up of intracranial aneurysms treated with coils in order to select the best MRA method, to evaluate the impact of increased iodine concentration in contrast medium and …
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Kepenų arterijų anatominės variacijos bei jų reikšmė radiologinėje diagnostikoje ir klinikinėje praktikoje /
… Keywords: hepatic arterial variations, digital subtraction angiography, computed tomography angiography, magnetic resonance angiography.
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Hemodynamic analysis of flow near cerebral aneurysms: Insight into aneurysm formation and effects of intervention
… obtained from human patients via clinical 3D digital subtraction angiography. We identified stable large-scale flow patterns in the aneurismal flows. This knowledge of flow patterns is applied towards better design of stents and other flow diverting devices. In addition, potential use of …
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Vergleich zweier MRT-Kontrastmittel mit unterschiedlicher T1-Relaxivität zur Gefäßdarstellung bei Patienten mit abdominellen Aortenaneurysmen
… compared with the current standard procedures in angiography, digital subtraction angiography (DSA) and computed tomography (CT). The findings have been diagnosed by 3 radiologists and have been compared regarding the quality of imaging and the validity of findings. In a total 54-patient group …
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Vergleich verschiedener endovaskulärer Platinspiral-Embolisationsverfahren zur Therapie zerebraler Aneurysmen : tierexperimentelle Untersuchungen
… coils. After the observation period of 6 month digital subtraction angiography (DSA) was performed. Thereafter the animals were euthanized. Angiography, histological examinations and scanning electron microscopy were used for evaluation. In the untreated group all five aneurysms remained patent …
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Molecular imaging of spatio-temporal distribution of angiogenesis in hindlimb ischemia model and diabetic milieu
… collateralization after occlusion of an artery, Digital Subtraction Angiography (DSA) was also used for the visualization of larger collaterals. During the first part of the study DM experimental protocol was investigated in order to find the appropriate protocol for the induction of long-term …