نتایج جستجو برای: flow deficit
تعداد نتایج: 543787 فیلتر نتایج به سال:
A trade war between the United States and China resulted in an increase tariffs on imported goods entering each of these countries. Southeast Asian countries that have relations with two countries, especially terms non-oil gas exports 25% to 35%, will be affected by export demand. Furthermore, effects reduce gross domestic product (GDP) or ASEAN current account deficit. On other hand, led decis...
BACKGROUND AND PURPOSE The neuroprotective efficacy of an intravenous formulation of the antioxidant ebselen has been comprehensively assessed with specific regard to conventional quantitative histopathology, subcortical axonal damage, neurological deficit, and principal mechanism of action. METHODS Transient focal ischemia (2 hours of intraluminal thread-induced ischemia with 22 hours of rep...
This article presents methods for determining the drought resistance of plants at different stages development. To determine early plant development, when creating breeding material, it is necessary to use most accessible and common laboratory methods, which include modeling moisture deficit in solutions with increased osmotic pressure, consists ability germinated seeds a variety low reserves s...
We investigated 60 patients with cerebrovascular disorders using a three-dimensional transcranial Doppler blood flow mapping system. A composite display of the circle of Willis is created with computer assistance, allowing accurate vessel identification and optimal data documentation of blood flow velocity and direction in the basal cerebral arteries. The basilar artery was insonated in every p...
Abstarct Background: Base deficit is a non-respiratory indicator of acid base status that evaluates the severity of shock at the cellular level. Base deficit results from cellular metabolism of pyruvate under anaerobic conditions. In this situation, base deficit is a sensitive marker of the magnitude of anaerobic metabolism and tissue oxygen deficit [1]. Several studies have shown a strong pos...
Between 1973 and 1985, superficial temporal artery-middle cerebral artery (STA-MCA) anas tomosis was performed in 125 patients with steno-occlusion of the internal carotid or middle cerebral artery. Patients with moyamoya disease were excluded. One hundred twenty patients were followed for an average of 5.1 years (range, 0 to 12 .5 years). The patients were divided into four groups according to...
This study examined the relation between left ventricular (LV) function and the severity of acute myocardial ischemia in a conscious dog model. The LV ejection fraction (EF) was measured by multigated equilibrium radionuclide angiography, and regional myocardial blood flow was measured with radioactive microspheres before and 10 minutes after distal and then proximal occlusion of the left anter...
This work studies the effects of water deficit and heat, as well as the involvement of chlororespiration and the ferredoxin-mediated cyclic pathway, on the tolerance of photosynthesis to high light intensity in Hibiscus rosa-sinensis plants. Drought and heat resulted in the down-regulation of photosynthetic linear electron transport in the leaves, although only a slight decrease in variable flu...
Occlusion or stenosis of a parent vessel or its distal branches is a major cause of poor patient outcome after cerebral aneurysm surgery. Despite great attempts to preserve patency at the time of clip application, intraoperative visual observation may not reveal arterial compromise or occlusion. Quantitative measurement of blood flow in cerebral vessels during aneurysm surgery can help prevent ...
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