catheter angiography
Negative catheter angiography after vascular contrast extravasations on computed tomography in blunt torso trauma: an experience review of a clinical dilemma
... negative catheter angiography after ...following angiography is very possible because CT scan only has76% sensitivity and 80% positive predictive value for detecting bleeding or vascular injury ...
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Idiopathic Ischemic Cerebral Infarction in Childhood: Depiction of Arterial Abnormalities by MR Angiography and Catheter Angiography
... MR angiography with that seen at DSA may be excessively rigorous and ig- nores the physiologic information about blood flow provided by MR ...MR angiography over DSA in this clinical set- ...
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Assessment of an Introductory Cervicocerebral Catheter Angiography Learning Program: A Pilot Study
... using angiography ma- terials and supplies as examples (eg, unused catheters and arterial access kits) and simple models to demonstrate anatomy and develop proper hand-positioning and catheter ...
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Should We Be Concerned? Comparison of Catheter and CT Angiogram for Arterial Distensibility at the Site of Carotid Stenosis during Catheter Angiography
... ventional angiography is expected to distend the vessel beyond what is expected under physiologic conditions secondary to the increase in pressure according to the Hagen-Poiseuille equation ( π ...
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First Pass Contrast Enhanced MR Angiography in Evaluation of Treated Spinal Arteriovenous Fistulas: Is Catheter Angiography Necessary?
... A dedicated biplanar neuroangiographic system (Artis; Siemens, Erlangen, Germany) was used for the spinal DSA examinations. A femoral approach was used under general or local anesthesia. Io- dinated contrast agent ...
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Diagnostic Yield of Catheter Angiography in Patients with Subarachnoid Hemorrhage and Negative Initial Noninvasive Neurovascular Examinations
... MATERIALS AND METHODS: We examined the yield of DSA for the detection of causative vascular lesions in a cohort of patients presenting to our institution with SAH and negative initial noninvasive neurovascular ...
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Catheter Angiography Is Still Necessary for the Measurement of Carotid Stenosis
... conventional angiography remains the single validated method for the identification of candidates for surgical carotid endarterectomy ...tional angiography as enrollment criteria ...by angiography ...
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Catheter Angiography, MR Angiography, and MR Perfusion in Posterior Reversible Encephalopathy Syndrome
... Fig 2. Patient 10 is a 27-year-old man with a history of drug and alcohol abuse with a necrotic pneumonia and empyema growing Pseudomonas and Klebsiella. He developed altered mentation and an asymmetric neurologic ...
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Multisection CT Angiography Compared with Catheter Angiography in Diagnosing Vertebral Artery Dissection
... CT angiography is expected to depict more lumens that are opacified than that by conventional angiog- raphy because two-dimensional CT images allow the detection of slight difference in contrast, and the contrast ...
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Characterization of Aneurysm Remnants after Endovascular Treatment: Contrast Enhanced MR Angiography versus Catheter Digital Subtraction Angiography
... cerebral catheter angiography, an invasive procedure with associated ...MR angiography (CE-MRA) with digital subtraction angiography (DSA) for depiction of aneurysmal remnants of coiled ...
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Evaluation of the Occlusion Status of Coiled Intracranial Aneurysms with MR Angiography at 3T: Is Contrast Enhancement Necessary?
... reopening of the aneurysm, which occurs in about 20% of coiled aneurysms. 2-5 Because patients with reopened aneu- rysms are at risk for hemorrhage, additional treatment is ad- vocated. Follow-up imaging is, therefore, ...
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Cerebral aneurysm exclusion by CT angiography based on subarachnoid hemorrhage pattern: a retrospective study
... adequate catheter angiography and CTA for a suspicion of a ruptured aneurysm at a tertiary referral center, from January 1st 1998 to December 31st ...
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Histologically confirmed case of cerebral vasculitis associated with Crohn’s disease –a case report
... lesion. Catheter angiography showed segmental multiple narrowing and occlusion in the distal part of the middle cerebral artery and anterior cerebral ...artery. Angiography also revealed multiple ...
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Accuracy of Doppler Ultrasonography in Assessment of Lower Extremity Peripheral Arterial Diseases
... diagnostic catheter angiography for the evaluation of the mesenteric ...resonance angiography (MRA) and computerized tomographic angiography (CTA) have been as imaging modalities in lower ...
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Isolated Blunt Lingual Artery Injury Secondary to a Road Traffic Accident: Diagnostic and Therapeutic Approach
... phase. Catheter angiography of the left external carotid artery revealed the injured artery to be a proximal branch of the left lingual artery (Figure ...Post-embolisation angiography showed ...
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Brain Arteriovenous Malformations: Assessment with Dynamic MR Digital Subtraction Angiography
... The prevalence of flow-related aneurysms shown in the present study is in keeping with that found in larger series (23, 24). The impact of partial or complete AVM obliteration on the natural history of such aneurysms ...
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Clinical Reasoning: A 59-year-old woman with acute paraplegia
... artery angiography needed to confirm the diagnosis of a spinal vascular malformation but often may not adequately differentiate between feeding arteries and draining ...by catheter angiography, which ...
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An experimental in-vivo canine model for adult shunt infection
... were conducted in accordance with the National Institutes of Health (NIH) and The Cleveland Clinic Foundation Animal Research Committee (ARC) guidelines for the use and care of laboratory animals. Each experiment began ...
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Rotational Angiography for 3D Roadmapping of Catheter Interventions in Congenital Heart Disease: Comparison of a Diagnostic and a Low Dose Program
... rotational angiography at our ...rotational angiography was performed in a range of locations, suiting the in- dividual ...biplane angiography system equipped with two 20 × 20 cm² flat panel ...
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Pilot study evaluating catheter-directed contrast-enhanced ultrasound compared to catheter-directed computed tomography arteriography as adjuncts to digital subtraction angiography to guide transarterial chemoembolization
... At the time of the procedure, DSA images were analysed by the interventional radiologist performing the procedure and a treatment plan was formulated. CCEUS images were then analysed to see whether CCEUS provided ...
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