CT Angiography
Prospective Evaluation of Suspected Stenoocclusive Disease of the Intracranial Artery: Combined MR Angiography and CT Angiography Compared with Digital Subtraction Angiography
... during CT angiogra- phy certainly is greater than that of conventional CT, but it is substantially less than that of DSA ...and CT angio- grams per person may be generally longer than that of ...
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CT angiography in the evaluation of acute stroke
... the CT angio- graphic technique in that direction of flow can- not be ...of CT angiographic findings, thrombolysis of the intracranial steno- sis might be attempted without success owing to lack of arterial ...
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Clinical applications of cardiac CT angiography
... multislice CT technology with ECG-gating along with innovations in x-ray tube and CT detector technology have resulted in revolutionary progress in cardiac ...ECG-gated CT angiography with 64+ ...
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Spiral CT angiography and selective digital subtraction angiography of internal carotid artery stenosis
... The NASCET and the European Carotid Sur- gery Trial have shown that symptomatic pa- tients with severe stenosis can benefit from ca- rotid endarterectomy (8, 9). Therefore, preoperative diagnosis requires a technique ...
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Potential of CT angiography in acute ischemic stroke
... of CT angiography to show intracranial arterial occlusion and collateral blood flow in patients with acute ...conventional CT, CT angiography, and digital subtraction ...of CT ...
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Diagnostic Accuracy of CT Angiography and CT Perfusion for Cerebral Vasospasm: A Meta Analysis
... ⫽ CT angiography; CTP ⫽ CT perfusion; DCI ⫽ delayed cerebral ischemia; DOR ⫽ diagnostic OR; DSA ⫽ digital subtraction angiography; ICA ⫽ internal carotid artery; LR ⫽ likelihood ratio; LR ⫺ ⫽ ...
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Multisection CT Angiography Compared with Catheter Angiography in Diagnosing Vertebral Artery Dissection
... CT angiography was performed with a four-section scanner (LightSpeed, Qxi; GE Medical Systems, Milwaukee, ...conventional angiography and the patient’s clinical information independently reformat- ...
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Multi Detector Row CT Angiography in the Assessment of Carotid Artery Disease in Symptomatic Patients: Comparison with Rotational Angiography and Digital Subtraction Angiography
... of CT angio- graphic measurements and for the intertechnique ...of CT angiography, sen- sitivity, specificity, and overall accuracy values were calculated by using 50% diameter stenosis as the cutoff ...
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Multi Section CT Angiography for Detection of Cerebral Aneurysms
... multi-section CT angiography (true ...CT angiography. The primary reason for missing aneurysms on multi-section CT angio- grams (seven total) seems to be the close proximity to bone in ...
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The roles of MR angiography, CT angiography, and sonography in vascular imaging of the head and neck
... MR angiography and CT angiog- raphy for detection of carotid artery and vertebral artery dissection have been performed in small series (57–59), but these tests are likely to be insensitive to the subtle ...
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Effects of Radiation Exposure on the Cost Effectiveness of CT Angiography and Perfusion Imaging in Aneurysmal Subarachnoid Hemorrhage
... MATERIALS AND METHODS: The risks of radiation-induced brain cancer and cataracts were incorporated into our established decision model comparing the cost-effectiveness of CT angiography and CT ...
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Evaluation of the circle of Willis with three dimensional CT angiography in patients with suspected intracranial aneurysms
... of CT angiography over MR an- giography in the acute setting include de- creased time to ...the CT angiography examination and recon- struction was less than 30 minutes in all cases and less ...
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Clinical Utility of 64 row Multislice CT Angiography in the Detection of Cerebral Aneurysms in Acute Subarachnoid Haemorrhage
... CT angiography (CTA) is a fast examination performed with a time-optimised contrast injection to enhance the cerebral arteries. Being a new imaging modality in our hospital, evaluation of the effectiveness ...
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Evaluation of number of renal arteries in live related renal donors by CT Angiography and Conventional Angiography
... renal angiography in the preoperative examination of living related donors is well ...Renal angiography has some potential risks, although the complications are markedly reduced with the use of small ...
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CT angiography versus Digital Subtraction angiography for intracranial vascular pathology in a clinical setting
... Only the original reports were reviewed for the purpose of this study and addendums were not considered. In addition, all the originally available source images, as well as reformatted images, including maximum intensity ...
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Accuracy of the Alberta Stroke Program Early CT Score during the First 3 Hours of Middle Cerebral Artery Stroke: Comparison of Noncontrast CT, CT Angiography Source Images, and CT Perfusion
... noncontrast CT within the first 3 hours of stroke symptom ...of CT perfusion CBV maps, CTA source images, and then noncontrast ...favoring CT perfusion CBV maps, the technique we hypothe- sized to be ...
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CT Angiography and Perfusion CT in Cerebral Vasospasm after Subarachnoid Hemorrhage
... left ACA, PCT results were normal, constituting the only false- negative result of PCT in the case of severe vasospasm. In this case, the parenchymal perfusion abnormalities were probably located outside the spatial ...
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Intracranial Vascular Stenosis and Occlusive Disease: Evaluation with CT Angiography, MR Angiography, and Digital Subtraction Angiography
... C, Lateral projection, left ICA injection, middle arterial phase DSA image shows minimal retrograde filling of the distal basilar artery arrow through the posterior communicating artery [r] ...
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CT Angiography and MR Angiography in the Evaluation of Carotid Cavernous Sinus Fistula Prior to Embolization: A Comparison of Techniques
... The diagnosis of traumatic CCF is made primarily from the findings of conventional angiography. Trau- matic CCFs, however, are all direct high-flow shunts of Barrow et al type A (13). Because rapid flow can fill ...
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Dynamic 3D CT Angiography
... catheter angiography (CCA) is the only technique currently available for assessing their hemody- namic status, patients with intracranial lesions routinely un- dergo CCA ...bral angiography, 12,13 and there ...
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