نتایج جستجو برای: split cvt

تعداد نتایج: 49799  

Journal: :AJNR. American journal of neuroradiology 2005
Catherine Oppenheim Valérie Domigo Jean-Yves Gauvrit Catherine Lamy Marie-Anne Mackowiak-Cordoliani Jean-Pierre Pruvo Jean-François Méder

Cerebral venous thrombosis (CVT) can be difficult to diagnose because of its wide spectrum of clinical manifestations. Its diagnosis may be further complicated when patients initially present with acute subarachnoid hemorrhage (SAH). We report on four patients with SAH revealing a CVT and discuss the role of imaging for diagnostic and pretherapeutic workup. In three women and one man presenting...

2017
Florian Schuchardt Anja Hennemuth Michael Markl Thomas Wehrum Andreas Harloff

Cerebral venous thrombosis (CVT) affects particularly young adults with an incidence of 1.3 per 100 000 personyears in the general population and is more frequent in young women. Diagnosis and treatment of CVT is challenging as clinical signs and symptoms (eg, headache, impaired vision, focal deficit, and seizures) are unspecific. CVT can be complicated by brain infarction and intracranial hemo...

Journal: :Clinical medicine & research 2015
José Carlos Arévalo-Lorido Juana Carretero-Gómez

Cerebral venous thrombosis (CVT) presenting as subarachnoid hemorrhage (SAH) is infrequent. We present the case of a man with CVT of the right transverse sinus who presented with a SAH in the right parietal sinus. In this case, we describe a hyper-homocysteinemia in a heterozygous patient for the methylenetetrahydrofolate reductase C667T mutation. Our report highlights the value of an early dia...

2006
Suleiman Kojan Mohammed Al-Jumah

The incidence of cerebral venous thrombosis (CVT) has dropped dramatically in recent years. In the past, before the introduction of antibiotics, infection was the main cause of CVT. But this is no longer true. Recently, the occurance of septic CVT is rare, which leads to an increased chance of misdiagnosis and treatment delay. Early suspicion and recognition is very crucial to improve mortality...

2013
Jasem Yousef Al-Hashel Samar Farouk Ahmed K. J. Alexnader Walaa Ahmed

Background. The association between cerebral venous thrombosis (CVT) and multiple sclerosis (MS) has already been reported in patients with clinically definite MS in relation to intravenous methylprednisolone (IVMP) or previously performed lumbar puncture (LP). Case Summery. We report a 29-year-old Indian female who presented with a clinically isolated spinal cord syndrome according to the revi...

Journal: :JPMA. The Journal of the Pakistan Medical Association 2006
Saad Shafqat Ayeesha K Kamal Mohammad Wasay

Cerebral venous thrombosis (CVT) is a potentially life-threatening condition requiring rapid diagnosis and urgent treatment. Heparin anticoagulation is the time-honoured treatment, and is advocated in all cases of CVT, irrespective of etiology or presence of haemorrhage. The supportive evidence is largely observational; data from randomized placebo-controlled trials shows a nonsignificant trend...

2006
Mi Jung Kim A-Hyun Cho Young-Joo No Hee-Young Kim Jong S. Kim

Cerebral venous thrombosis (CVT) rarely recurs, and the factors associated with a recurrence remain unclear. Recently, however, elevated plasma coagulation factor VIII has been considered a factor related to recurrent venous thromboembolism. Here we report a patient who had recurrent CVT associated with significantly elevated levels of factor VIII despite the chronic use of an antiplatelet agen...

2009
András Hajdu Péter Veres Ioannis Pitas

This paper summarizes the theoretical background that is used in several applications listed in the sibling conference paper [1]. We investigate object simplification methods based on Centroidal Voronoi Tesselation (CVT) that share the possibility of great speed-ups in various scenarios. We propose Constrained CVT to sample points from the object boundary and the Region-based CVT to be able to ...

2011
Leon Zhou Zuomin Dong

Among HEV configurations, the electronic-continuously variable transmission (e-CVT) architecture can optimally blend power from an engine and electric motor/generators. Design of an e-CVT powertrain is a challenging and timeconsuming task due to the system complexity and the multidisciplinary nature of the design problem. In this work, an approach to develop the system-optimal based instantaneo...

2013
Ji-Hye Lee Kyung-Jae Park Yong-Gu Chung Shin-Hyuk Kang

As a rare cerebrovascular disease, cerebral venous thrombosis (CVT) is caused by various conditions including trauma, infection, oral contraceptive, cancer and hematologic disorders. However, iron deficiency anemia is not a common cause for CVT in adult. Posterior fossa infarction following CVT is not well demonstrated because posterior fossa has abundant collateral vessels. Here, we report a c...

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