نتایج جستجو برای: substraction
تعداد نتایج: 120 فیلتر نتایج به سال:
AIM Although true posterior communicating artery (PCoA) aneurysms are rare, they are of vital importance. We reviewed 9 patients with this fatal disease, who were treated with endovascular embolization, and discussed the meaning of endovascular embolization for the treatment of true PCoA aneurysms. MATERIAL AND METHODS From September 2006 to May 2012, 9 patients with digital substraction angi...
In modern era of advanced computing and high end multimedia there is a need for low power reliable and portable electronic systems. Even though many techniques have been proposed to reduce power over the years, out of all, the best possible solution, so far has been to over scale the power supply. When a system is over scaled the power reduces drastically but this also increases the complexity ...
AIM The aim of this study was to report the outcome of microsurgical revascularization in patients with moyamoya disease in Southern Iran. MATERIAL AND METHODS This cross-sectional study was conducted in Southern Iran during a 7-year period from 2009 to 2016. All the patients with moyamoya disease (confirmed with digital substraction angiography) who underwent microsurgical revascularization ...
Gaussian or multivariate normal distributions are very popular and important probability models. Gaussian potentials [5] are multivariate normal density functions. Such a distribution is often given as a product of conditional Gaussian densities, which are more general than Gaussian potentials. These are related to Gaussian hints [11] and Gaussian belief functions [9, 10]. Gaussian potentials, ...
AIM Although an aneurysmal rupture typically presents on computed tomography (CT) imaging as only a subarachnoid hemorrhage (SAH), it may be associated with spontaneous (nontraumatic) subdural hemorrhage (sSDH). The purpose of this paper is to discuss the clinical and radiological characteristics, as well as a potentially dangerous situation in the diagnosis and the management of this life-thre...
A63-year-old woman was referred for evaluation of a transient ischemic attack with right arm and leg involvement. On examination, she had a right neck bruit. The head CT scan showed a small, old ischemic infarction in the periventricular area of the right frontal lobe. Digital substraction angiography revealed a total occlusion of both internal carotid arteries, a severe stenosis of the origin ...
Perturbative expansions of QCD observables in powers of αs are believed to be asymptotic and non-Borel summable due to the existence of singularities in the Borel plane (renormalons). This fact is connected with the factorization of scales (which is inherent to QCD and asymptotic freedom) and jeopardizes the convergence of the perturbative expansion and the accurate determination of power-suppr...
A 22-year-old female patient presented to the Emergency Department of a tertiary care hospital with symptoms of headache and nausea. She has been on a regular follow-up for the preceding three and a half years after being diagnosed as systemic lupus erythematosus (SLE). She had been treated earlier for SLE nephritis in the same institution, and had two relapses of nephrotic syndrome in the last...
The authors report on bilateral simultaneous knee arthroplasty in a 40-year-old male patient with haemophilia A, high inhibitor titre and an aneurysma spurium of the right popliteal artery. Both knees showed a fixed flexion deformity of 20 degrees. To build up haemostasis, treatment with activated prothrombin complex concentrate (APCC) and recombinant activated factor seven (rFVIIa) was initiat...
OBJECT Despite the application of current standard therapies, vasospasm continues to result in death or major disability in patients treated for ruptured aneurysms. The authors investigated the effectiveness of continous MgSO4 infusion for vasospasm prophylaxis. METHODS Seventy-six adults (mean age 54.6 years; 71% women; 92% Caucasian) were included in this comparative matched-cohort study of...
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