Digital subtraction
Radiation Dose to Patients and Personnel during Intraoperative Digital Subtraction Angiography
... portable digital subtraction unit (OEC Diasonics, Salt Lake City, UT), consisting of a C-arm fluoroscope, a digital image processor, a storage unit, and a video monitor, was used in all ...
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Lateral Decubitus Digital Subtraction Myelography: Tips, Tricks, and Pitfalls
... DSM is a 2-day procedure due to dose constraints of intrathecal Omnipaque 300. The patient receives 11 mL of intrathecal Omnipaque on the first day for DSM of one side and typically returns the following day for an ...
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Brain Arteriovenous Malformations: Assessment with Dynamic MR Digital Subtraction Angiography
... CCA was conducted pretherapeutically under stereotactic conditions. A Leksell model G stereotactic coordinate frame (Elekta Instruments, Atlanta, GA) was secured to the patient’s head using a local anesthetic at the four ...
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Automatic detection on intracranial aneurysm from digital subtraction angiography with cascade convolutional neural networks
... invasive digital subtraction angi- ography (DSA) is taken as the gold standard of aneurysm detection instead of MRA and CTA for higher spatial resolution and sensitivity in the detection of small aneurysms ...
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Evaluation of cerebral hemispheric contrast transit with intravenous digital subtraction angiography
... Thirty-six patients with varying degrees of stenosis of one internal carotid artery were studied using intravenous digital subtraction angiography, assessing relative hemispheric washin [r] ...
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Digital Subtraction Cerebral Angiography by Intraarterial Injection: Comparison with Conventional Angiography
... Early work has suggested , however, that digital subtraction imaging of intraarteri al co ntrast injections can provide images of suffi cient di agnosti c quality to obviate conventional[r] ...
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Digital Subtraction Angiography in the Evaluation of Renal Vascular Hypertension in Children
... Digital Subtraction Angiography in the Evaluation of Renal Vascular Hypertension in. http://pediatrics.aappublications.org/content/81/1/150 the World Wide Web at:[r] ...
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Intraoperative digital subtraction angiography: a review of 112 consecutive examinations
... PURPOSE: To examine the effect of intraoperative angiography on neurosurgery and angiographic technical success, safety, and accuracy. METHODS: Angiographic studies, surgical reports, and hospital records were reviewed ...
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Digital Subtraction Phonocardiography (DSP) applied to the detection and characterization of heart murmurs
... as Digital Subtraction Phonocardiography (DSP), to develop a noninvasive means for the detection and characterization of heart murmurs, such as those resulting from heart valve lesions or other types of ...
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Intraarterial digital subtraction angiography of spinal arteriovenous malformations
... Intraarterial digital subtraction angiography OSA in two patients with spinal dural arteriovenous fistulas demonstrated the major feeding arteries and the venous drainage of the respecti[r] ...
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Stereoscopic digital subtraction angiography in neuroradiologic assessment
... Digital subtraction angiography DSA with stereoscopic imaging was performed in 40 patients for evaluation of a variety of cerebrospinal disorders_ It was facilitated by a C-arm mounted x[r] ...
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MR Digital Subtraction Angiography of Cerebral Arteriovenous Malformations
... We developed an MR digital subtraction angi- ography (DSA) technique by combining rapid 2D T1-weighted imaging with a bolus injection of con- trast material. Time-resolved contrast-enhanced 3D MR ...
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Parametric Color Coding of Digital Subtraction Angiography
... While the color-coded composite image contains no added information to that present in the standard DSA sequence, it is impossible for a human observer to visually detect and analyze, on[r] ...
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Comparison of 2D and 3D Digital Subtraction Angiography in Evaluation of Intracranial Aneurysms
... C, Rotational DSA image, which can be seen stereoscopically, clearly shows the relationship of the right anterior arrow and posterior communicating double arrows artery aneurysms to the [r] ...
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4D Digital Subtraction Angiography: Implementation and Demonstration of Feasibility
... For the purpose of generating signal curves that correspond exactly to the signal curves in the acquired projec- tions, it is possible to modify the basic reconstruction algorithm to include a binary version of the ...
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The application of i v digital subtraction angiography to cranial disease in children
... Of the various abnormalities studied, this imaging technique was particularly useful in diagnosing venous and dural sinus abnormalities; in screening for suspected large aneurysms, vascu[r] ...
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Intravenous Digital Subtraction Angiography of the Nearly Occluded Internal Carotid Artery
... In cooperative patients, the intravenous digital technique may be sufficiently reliable in the detection of the nearly occluded internal carotid artery to obviate conventional selective [r] ...
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Digital Subtraction Angiography with Intravenous Injection: Assessment of 1,000 Carotid Bifurcations
... Agreement of standard arteri ograms with diagnostic quality DSA examinations was noted in 97 of 98 common , 94 of 95 internal , and 79 of 91 external carotid artery segments.. All cases [r] ...
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Intraarterial digital subtraction angiography for definitive diagnosis of intracranial aneurysms
... IA-DSA showed a left ruptured internal carotid-posterior communicating artery IC-PC aneurysm and three unruptured aneurysms at bifurcation of the right middle cerebral artery, on the top[r] ...
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Intraoperative digital subtraction neuroangiography: a diagnostic and therapeutic tool
... In 17 cases, angiography was performed via direct surgical exposure and catheterization of a selected vessel , including the common carotid artery six, middle cerebral artery branches tw[r] ...
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