نتایج جستجو برای: digital subtraction angiography dsa

تعداد نتایج: 360515  

Journal: :AJNR. American journal of neuroradiology 2003
Toshinori Hirai Yukunori Korogi Kenji Suginohara Ken Ono Tomohiro Nishi Shozaburo Uemura Masayuki Yamura Yasuyuki Yamashita

BACKGROUND AND PURPOSE Three-dimensional digital subtraction angiography (DSA) is useful as a supplement to 2D DSA in the pretreatment evaluation of intracranial aneurysms. However, the clinical efficacy of 3D digital angiography (DA) that is generated from unsubtracted rotational images has not been established. The purpose of this study was to assess whether 3D DA provides additional useful i...

Journal: :Cerebrovascular diseases 2008
Mathieu van der Jagt H Zwenneke Flach Hervé L J Tanghe Stef L M Bakker M G Myriam Hunink Peter J Koudstaal Aad van der Lugt

BACKGROUND It is unclear whether 16-detector row CT angiography (CTA) can replace digital subtraction angiography (DSA) to assess the feasibility of endovascular treatment (EVT) in the acute phase after aneurysmal subarachnoid hemorrhage. METHODS We studied 80 consecutive patients with aneurysmal subarachnoid hemorrhage, who underwent both CTA and DSA. Two interventional neuroradiologists ind...

2013
Tzung-Chi Huang Chih-Kai Chang Chun-Han Liao Yung-Jen Ho

OBJECTIVE This study compared data on the blood flow velocity in the internal carotid artery, which was obtained using the optical flow method (OFM) with digital subtraction angiography (DSA) and the time-of-flight (TOF) technique using magnetic resonance angiography (MRA). MATERIALS AND METHODS Images were obtained from 12 cerebrovascular patients who underwent both brain DSA and MRA imaging...

Journal: :AJNR. American journal of neuroradiology 2008
W J van Rooij J P P Peluso M Sluzewski G N Beute

BACKGROUND AND PURPOSE In some patients with nonperimesencephalic nontraumatic subarachnoid hemorrhage (aneurysmal SAH), no aneurysm can be found on digital subtraction angiography (DSA), and repeat DSA is advocated. 3D rotational angiography (3DRA) is considered superior to DSA in the detection of small intracranial aneurysms. In this study, we assessed the additional diagnostic value of 3DRA ...

Journal: :The Journal of invasive cardiology 2015
Filippo Scalise Eugenio Novelli Carla Auguadro Valentina Casali Mariella Manfredi Romano Zannoli

INTRODUCTION Carbon dioxide (CO2) has been validated as a contrast agent in a large series of studies. A particular advantages of CO2 over iodinated contrast medium (ICM) is the absence of nephrotoxicity and allergic reactions. One of the limitations of CO2 angiography is the difficulty of CO2 manual injection due to its compressibility. The manual gas injection does not permit optimal control ...

Journal: :Genetics and molecular research : GMR 2014
M Zhao C S Liu X Y Xu Y P Xiao C Fang

Headache can be attributed to cranial or cervical vascular disorders including ischemic stroke or transient ischemic attack, non-traumatic intracranial hemorrhage, unruptured vascular malformation, arteritis, carotid-vertebral artery pain, and cerebral venous thrombosis. Here, we present a case report of unruptured saccular aneurysm with migraine. The patient was a previously healthy 32-year-ol...

2016
Junhui Chen Lei Chen Chunlei Zhang Jianqing He Peipei Li Jingxu Zhou Jun Zhu Yuhai Wang

Angiographically occult cerebrovascular malformation (AOVM) is a type of complex cerebrovascular malformation that is not visible on digital subtraction angiography (DSA). Vascular malformation coexisting with glioma is clinically rare, and glioma coexisting with AOVM is even more rare. To the best of our knowledge, the present study is the first to report glioma coexisting with AOVM in the lit...

2016
Qian Qian Ni Chun Xiang Tang Yan E Zhao Chang Sheng Zhou Guo Zhong Chen Guang Ming Lu Long Jiang Zhang

Aneurysmal subarachnoid hemorrhages have extremely high case fatality in clinic. Early and rapid identifications of ruptured intracranial aneurysms seem to be especially important. Here we evaluate clinical value of single phase contrast-enhanced dual-energy CT angiograph (DE-CTA) as a one-stop-shop tool in detecting aneurysmal subarachnoid hemorrhage. One hundred and five patients who underwen...

Journal: :Interdisciplinary Neurosurgery 2022

This is a case of 62-year-old patient presenting with tingling and numbness extending from the buttocks area towards lower extremities gait instability. Contrast Magnetic Resonance Imaging (MRI) time-resolved imaging contrast kinetics (TRICKS MRI) raised suspicion for possible dural arteriovenous fistula. Diagnostic Digital Subtraction Angiography (DSA) showed filum terminale arterio venous fis...

Journal: :AJNR. American journal of neuroradiology 1999
T S Chung J Y Joo S K Lee D Chien G Laub

BACKGROUND AND PURPOSE The objective was to evaluate the results of high-resolution, fast-speed, section-interpolation MR angiography and digital subtraction angiography (DSA), thereby examining the potential use of a primary noninvasive screening test for intracranial aneurysms. METHODS The images were obtained in 39 cerebral aneurysmal lesions from 30 patients with a time-of-flight MR angio...

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