نتایج جستجو برای: mrv
تعداد نتایج: 414 فیلتر نتایج به سال:
Considering turbulent clouds containing small inertial particles, we investigate the effect of particle collision, in particular collision-coagulation, on clustering and relative motion. We perform direct numerical simulation (DNS) coagulating particles isotropic flow regime Stokes number ($St=0.001-0.54$) find that, due to radial distribution functions (RDFs) fall-off dramatically at scales $r...
INTRODUCTION Reduction of automatic pressure support based on a target respiratory frequency or mandatory rate ventilation (MRV) is available in the Taema-Horus ventilator for the weaning process in the intensive care unit (ICU) setting. We hypothesised that MRV is as effective as manual weaning in post-operative ICU patients. METHODS There were 106 patients selected in the post-operative per...
Magnetic resonance angiography (MRA) or magnetic resonance venography (MRV) can be used as a first line investigation of intracranial vascular disease. It is an alternative to invasive intra-catheter angiography that was once the mainstay for the investigation of intracranial vascular disease. MRA/MRV may use a contrast agent, gadolinium, which is non-iodine-based, for better visualization. It ...
Patients with congenitally corrected transposition of the great arteries (CCTGA) have a morphologically right ventricle (mRV) that supports the systemic circulation. In these patients, regurgitation of the systemic tricuspid valve (TV) is one of the strongest risk factors for congestive heart failure and mRV dysfunction. Herein, we report the case of a patient with CCTGA plus dextrocardia who u...
21 Mammalian orthoreovirus (MRV) infection induces phosphorylation of translation initiation 22 factor eIF2α which promotes formation of discrete cytoplasmic inclusions, termed stress 23 granules (SGs). SGs are emerging as a component of the innate immune response to virus 24 infection, and modulation of SG assembly is a common mechanism employed by viruses to 25 counter this antiviral response...
BACKGROUND AND PURPOSE The dural venous sinuses in neonates differ from those in adults or older children in that the caliber of venous sinuses is smaller and there is skull molding. The aim of this retrospective study is to evaluate the presence of flow gaps in venous sinuses in neonates on 2D time-of-flight (TOF) MR venography (MRV). METHODS Fifty-one neonates underwent coronal 2D TOF MRV. ...
BACKGROUND Cerebral venous sinus thrombosis is a common but highly under-recognised condition, which is missed not only by general practitioners but also by neurologists. Computerised tomography (CT) or magnetic resonance imaging (MRI) of brain alone is not sufficient to diagnose this condition. Objective of this study was to explore the pattern of magnetic resonance imaging (MRI) and magnetic ...
Introduction MR venography (MRv) has an important role in diagnosis of venous diseases. Unlike x-ray or CT venography, MRv produces venographic images without any ionizing radiation. Obtaining venographic image with low noise and high contrast is clinically important for diagnosis of vascular diseases based on MRv. It has been reported that the best venography can be acquired at TE=28ms for vei...
BACKGROUND Mammalian orthoreoviruses (MRVs) have a wide geographic distribution and can infect virtually all mammals. Infections in humans may be either symptomatic or asymptomatic. This study describes the isolation and identification of a natural reassortant MRV from least horseshoe bats (Rhinolophus pusillu) in China, referred to as RpMRV-YN2012. METHODS AND RESULTS The RpMRV-YN2012 was ob...
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