نتایج جستجو برای: angiographic
تعداد نتایج: 12239 فیلتر نتایج به سال:
In the last 20 years, 3D angiographic imaging has proven its usefulness in the context of various clinical applications. However, angiographic images are generally difficult to analyse due to their size and the complexity of the data that they represent, as well as the fact that useful information is easily corrupted by noise and artifacts. Therefore, there is an ongoing necessity to provide to...
We present a case of an incidentally discovered holohemispheric developmental venous anomaly (DVA) in a 12 year old, conclusively characterized by 3D T2* multi-echo sequence susceptibility weighted angiographic imaging (SWAN). For the evaluation of head trauma, abnormal right intraparenchymal and periventricular vascularity was identified by a non contrast head CT scan. Conventional MRI sequenc...
The clinical and angiographic findings in 5 consecutive patients with congestive cardiac failure are presented to illustrate the pitfalls in the clinical diagnosis of endomyocardial fibrosis. In one patient the clinical diagnosis was confirmed at angiography while another patient who had angiographic evidence of early right ventricular endomyocardial fibrosis was diagnosed clinically as mitral ...
BACKGROUND There are limited data regarding the prognostic impact of angiographic complete revascularization (CR) in patients with chronic kidney disease (CKD). We sought to investigate the differential prognostic impact of angiographic CR over incomplete revascularization (IR), according to the presence of CKD in the drug-eluting stent era. METHODS AND RESULTS Between 2003 and 2011 at Samsun...
BACKGROUND AND PURPOSE The long-standing concept that delayed cerebral infarction after aneurysmal subarachnoid hemorrhage results exclusively from large artery vasospasm recently has been challenged. We used data from the CONSCIOUS-1 trial to determine the relationship between angiographic vasospasm and cerebral infarction after subarachnoid hemorrhage. METHODS We performed a post hoc explor...
BACKGROUND AND PURPOSE Independent evaluation of angiographic images is becoming widely applied in the assessment of treatment outcomes of cerebral aneurysms. In the current study, we assessed the agreement between an independent core laboratory and the operators regarding angiographic appearance in a recent randomized, controlled trial. MATERIALS AND METHODS Data were derived from the Cerecy...
We assessed the role of fibrinogen levels on angiographic progression and long-term survival among 111 patients with coronary disease enrolled in the Armed Forces Regression Study (AFREGS). Baseline fibrinogen levels and quantitative coronary angiography were performed initially and at 30 months. Progression or nonregression of coronary disease was more prevalent in patients with high fibrinoge...
Background. The renarrowing process after successful percutaneous transluminal coronary angioplasty (PTCA) is now believed to be caused by a response-to-injury vessel wall reaction. The magnitude of this process can be assessed by the change in minimal lumen diameter (MLD) at follow-up angiography. The aim of the present study was to find independent patient-related, lesion-related, and procedu...
The angiographic appearance of the proximal end of internal carotid artery occlusion is reported in 41 patients with acute stroke in the areas of the brain supplied by the carotid artery. All patients had angiography within 6 days of stroke onset, the majority within 24--48 hours. Three angiographic configurations of internal carotid occlusion were found, in descending order of frequency: a sha...
Conventional methods of stenting require predilatation, which potentially increase vessel wall injury and cost of the procedure. In this study, the safety and efficacy of direct AVE-S7 (Medtronic-USA) stent placement were evaluated in 100 patients. Quantitative coronary angiography was performed at the baseline and post-stent. Clinical follow-up was done up to 9 months. In 100 patients (76 male...
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