نتایج جستجو برای: ball cvt

تعداد نتایج: 26161  

Journal: :iranian journal of neurology 0
kavian ghandehari professor, department of cerebrovascular disease and neurocognitive research center, school of medicine, mashhad university of medical sciences, mashhad, iran. hamid reza riasi assistant professor, department of neurology, school of medicine, birjand university of medical sciences, birjand, iran ali noureddine resident, department of neurology, school of medicine, mashhad university of medical sciences, mashhad, iran shahram masoudinezhad resident, department of neurology, school of medicine, mashhad university of medical sciences, mashhad, iran siamak yazdani resident, department of neurology, school of medicine, mashhad university of medical sciences, mashhad, iran mohammad mousavi mirzae resident, department of neurology, school of medicine, mashhad university of medical sciences, mashhad, iran

background: anticoagulation therapy is a routine treatment in patients with hemorrhagic cerebral venous thrombosis (cvt). however, fear of hemorrhagic complications and deterioration course following anticoagulation often disturbs the responsible physician. methods: this was a prospective observational study on consecutive cvt patients with hemorrhagic venous infarction or subarachnoid hemorrha...

Journal: :Journal of Neurosonology and Neuroimaging 2023

Several cases of cerebral venous thrombosis (CVT) due to spontaneous intracranial hypotension (SIH) have been reported, with an estimated occurrence rate 1–2% among patients decreased pressure. However, the causal relationship between SIH and CVT as a potential risk factor is not well understood. According Monro-Kellie principle, this thought be caused by compensatory expansion system, damage i...

Journal: :Journal of Raman Spectroscopy 2022

In this work, thermal conductivity and anharmonic properties of chemical vapor transport (CVT)-grown pyrite-FeS2 mineral single crystals have been investigated compared. It has shown that optothermal Raman technique is able to capture the large difference between CVT samples at low temperatures. This attributed point defects such as sulfur vacancies or impurity doping CVT-grown FeS2 crystals. B...

2016
Turgut Tatlisumak Katarina Jood Jukka Putaala

See related article, p 2180. Cerebral venous thrombosis (CVT) refers to local clot formation and occlusion of intracranial venous structures, including the dural venous sinuses, cortical veins, and the proximal part of the jugular veins, leading to an acute or delayed manifestation with a large variety of symptoms and signs, making the diagnosis difficult. Diagnostics have improved after introd...

ژورنال: تحقیقات موتور 2009
رضایی, موسی, شاطریان القندیس, وحید,

در طول تاریخ صنایع خودروسازی تلاش‌های گسترده‌ای برای طراحی اجزای خودرو به شکلی که سبب کاهش تولید آلاینده ها و افزایش بازده خودرو گردد صورت گرفته است. چون تولید آلاینده‌ها به‌طور مستقیم به نرخ مصرف سوخت وابسته است، هر پیشرفتی که در راستای بهبود بازده خودرو صورت می‌گیرد، منجر به کاهش میزان تولید آلاینده‌ها می‌شود. یکی از مؤثرترین سامانه‌ها در این راستا، سامانه انتقال قدرت با نسبت دور متغیر پیوسته...

Journal: :Eukaryotic cell 2002
Fulvio Reggiori Daniel J Klionsky

The major cellular pathways for protein and organelle turnover are autophagy and proteasome-mediated degradation. These processes are important to maintain a well-controlled balance between anabolism and catabolism in order to have normal cell growth and development. They play an essential role during starvation, cellular differentiation, cell death, and aging but also in preventing some types ...

Journal: :IEEE Access 2022

Electronically actuated systems in internal combustion engine (ICE) vehicles provide an opportunity for introducing partial autonomy these vehicles. Controllers total or of vehicle motion necessitate models vehicular characterized by accurate transient and steady-state responses. We consider ICE powertrain with a push belt type continuous variable transmission (CVT) associated double pinion pla...

Journal: :journal of dentistry, tehran university of medical sciences 0
zohreh hedayati orthodontic research center, school of dentistry, shiraz university of medical sciences, shiraz, iran. maryam paknahad student research committee, school of dentistry, shiraz university of medical sciences, shiraz, iran. farbod zorriasatine visiting fellow, wolfson school of mechanical and manufacturing engineering, loughborough university, leicestershire, united kingdom.

the facial esthetics after orthodontic treatment and orthognathic surgery may be affected by the patient's natural head position. the purpose of this study was to evaluate the natural head position for the three skeletal classes of malocclusion.our sample consisted of 102 lateral cephalometric radiographs of patients aged 15 to 18 years; class i (n=32), class ii (n=40) and class iii (n=30). nin...

1999

Two articles in this issue of Stroke 1,2 draw our attention to cerebral venous thrombosis (CVT), an infrequent but fascinating condition, remarkable for its extreme diversity, which still makes it a diagnostic and therapeutic challenge. Headache, focal deficits, seizures, disorders of consciousness, and papilledema, which can present in isolation or in association, are the most frequent signs.3...

Journal: :JAMA neurology 2016
Susanna M Zuurbier Marcel Arnold Saskia Middeldorp Anne Broeg-Morvay Suzanne M Silvis Mirjam R Heldner Julia Meisterernst Banne Nemeth Eva R Meulendijks Jan Stam Suzanne C Cannegieter Jonathan M Coutinho

IMPORTANCE Obesity is a risk factor for deep vein thrombosis of the leg and pulmonary embolism. To date, however, whether obesity is associated with adult cerebral venous thrombosis (CVT) has not been assessed. OBJECTIVE To assess whether obesity is a risk factor for CVT. DESIGN, SETTING, AND PARTICIPANTS A case-control study was performed in consecutive adult patients with CVT admitted fro...

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