نتایج جستجو برای: computed tomographic angiography

تعداد نتایج: 250921  

2015
Henghui Yin Yang Zhao Mian Wang Shenming Wang Guangqi Chang

PURPOSE Here, we report two cases of early-onset post-nephrectomy renal arteriovenous fistula who were successfully managed by implantation of patent ductus arteriosus occluders. CASE REPORT Both patients were female, aged 38 and 36 years. They received left renal nephrectomy 9 and 6 months, respectively, with a complaint of chest congestion and dyspnea before admitting to our center. Compute...

Journal: :Turkish neurosurgery 2017
Feng Ye Chuanyuan Tao Shenghua Xiong Chao You

Idiopathic distal anterior choroidal artery (AChoA) aneurysms are particularly rare. Their diagnosis and treatment are difficult because of the particular characteristic of pathological anatomy. Our case mainly presented with intraventricular hemorrhage. His idiopathic aneurysm was located in the trigone of the undilated ventricle. Computed tomographic angiography demonstrated both the precise ...

2015
Rohollah Moosavi Tayebi Rahmita Wirza Puteri S B Sulaiman Mohd Zamrin Dimon Fatimah Khalid Aqeel Al-Surmi Samaneh Mazaheri

BACKGROUND Computerized tomographic angiography (3D data representing the coronary arteries) and X-ray angiography (2D X-ray image sequences providing information about coronary arteries and their stenosis) are standard and popular assessment tools utilized for medical diagnosis of coronary artery diseases. At present, the results of both modalities are individually analyzed by specialists and ...

Journal: :Journal of Cardiovascular Computed Tomography 2021

Introduction: Anomalous origin of the right coronary artery from opposite sinus (right-ACAOS) with interarterial course (IAC) has been associated increased risk sudden cardiac death (SCD). Widespread use computed tomographic angiography (CCTA) led to increasing recognition this condition, even among healthy individuals. Our study sought examine prevalence, anatomical characteristics and outcome...

Journal: :Journal of computer assisted tomography 2006
Donghui Lu Erwei Bai Jie Liu Hengyong Yu Yuchuan Wei Zhijun Cai Melhem J Sharafuddin Jafar Golzarian Alan Stolpen Osama Saba Michael Vannier Ge Wang

Computed tomographic (CT) angiography is important for imaging studies on cardiovascular structures, peripheral vessels, and solid organs. In practice, a CT angiography scan is triggered by the bolus arrival at a prespecified anatomical location, which is determined using CT fluoroscopy. In this article, we propose a projection-based method adapted from the Grangeat formula to detect the bolus ...

2016
Jung-Hsing Yen Yen-Wei Chen Wen-Hsien Chen

1. Liao CC, Hsu YP, Chen CT, et al. Transarterial embolization for intractable oronasal hemorrhage associated with craniofacial trauma: evaluation of prognostic factors. J Trauma Injury Infection Crit Care. 2007;63:827–830 2. Cogbil TH, Cotheran CC, Aheran MK, et al. Management of maxillofacial injuries with severe oronasal hemorrhage: a multicenter perspective. J trauma Injury Infection Crit C...

Journal: :Postgraduate medical journal 1993
J K Chin P A McCormick A J Hilson A K Burroughs N McIntyre

Splenic infarction is rare in cirrhotic patients. The diagnosis of the condition is based on clinical findings and splenic imaging. In recent years, ultrasonography and computed tomographic scan have gained popularity over the more classical scintigraphy as the preferred investigations for the diagnosis of splenic infarction. We report three cases of splenic infarction in patients with cirrhosi...

Journal: :Turkish neurosurgery 2009
Yavuz Erdem Ali Yilmaz Elif Ergün Uğur Koşar Mete Karatay Mehmet Akif Bayar

We present a case with bilateral internal carotid artery hypoplasia and multiple posterior circulation aneurysms who was diagnosed following a subarachnoid hemorrhage. The patient was admitted to our clinic with a history of sudden and severe headache with short-term loss of consciousness and being unable to open the right eyelid five days ago. Nuchal rigidity and right partial ophthalmoplegia ...

Journal: :Circulation. Cardiovascular imaging 2015
Veit Sandfort Joao A C Lima David A Bluemke

The process of coronary artery disease progression is infrequently visualized. Intravascular ultrasound has been used to gain important insights but is invasive and therefore limited to high-risk patients. For low-to-moderate risk patients, noninvasive methods may be useful to quantitatively monitor plaque progression or regression and to understand and personalize atherosclerosis therapy. This...

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