نتایج جستجو برای: very fast transient vft
تعداد نتایج: 986593 فیلتر نتایج به سال:
BACKGROUND AND OBJECTIVES ACCORDING TO PREVIOUS REPORTS, PATIENTS WITH VESTIBULAR MIGRAINE (VM) DISPLAY VARIABLE RESULTS FROM VESTIBULAR FUNCTION TESTS (VFT): central, peripheral, or normal. The aim of this study was to classify the VM patients into the three groups according to interictal VFT findings (central, peripheral or normal) and to clarify the relationship between VFT results and the c...
BACKGROUND Whereas visceral abdominal adipose tissue (VAT) is associated with cardiometabolic risk, there is debate regarding the role of subcutaneous abdominal adipose tissue (SAT). The aim of this study was to investigate the relationships of subcutaneous and visceral abdominal fat with carotid atherosclerosis in patients with type 2 diabetes mellitus (T2DM). METHODS A total of 234 patients...
BACKGROUND Recently, time-resolved 3D phase contrast magnetic resonance imaging (4D-flow) allows flow dynamics in patients with pulmonary arterial hypertension to be measured. Abnormal flow dynamics, such as vortex blood flow pattern in the pulmonary artery (PA), may reflect progression of pulmonary arterial hypertension (PAH). Some reports suggested that abnormal blood flow parameters includin...
In schizophrenia, dysfunction of the prefrontal cortex (PFC), regarded as a core feature of the disease, has been investigated by different neuroimaging methods. Near infrared spectroscopy (NIRS), a novel neurophysiological method, is being increasingly used in the investigation of frontal dysfunction in schizophrenia. However, NIRS measurements during multiple frontal activation tasks have bee...
We tested the hypothesis that increased hemodynamic augmentation and mechanical performance could be achieved by using a variable frequency pulse train (VFT) to stimulate the latissimus dorsi muscle (LDM), compared to the conventional constant frequency pulse train (CFT) used in cardiomyoplasty. In dogs (n = 6), a vascular delayed LDM was wrapped posteriorly around the heart. LDM was conditione...
The relation between myocardial tissue cyclic AMP (cAMP) and the vulnerability to ventricular fibrillation was assessed in the isolated perfused rat heart by measurement of ventricular fibrillation threshold (VFT) and vulnerable period duration (VP). Exogenous dibutyryl cyclic AMP (DBcAMP) reduced VFT and increased VP by a concentration-related action whereas exogenous cAMP did not. Theophyllin...
AIMS The role of the vagus in the ventricle is controversial, although the vagus can protect against ventricular fibrillation (VF) via nitric oxide (NO). This study aims to determine whether the mechanisms involved are dependent on post-ganglionic release and muscarinic receptor activation. For this purpose, NO release and electrophysiological effects of vagus nerve stimulation (VNS) were evalu...
An architecture for a memory-resident, Parallel and Persistent ObjectSTore (PPOST) is suggested. Different object-oriented databases might be built on top of PPOST. The term memory-resident (or main memory based) means that the primary storage device is main memory. Persistence is guaranteed automatically by managing secondary and stable storage devices (such as main memory with uninterrupted p...
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