نتایج جستجو برای: mrs
تعداد نتایج: 9211 فیلتر نتایج به سال:
BACKGROUND AND PURPOSE Herniation attributable to unilateral mass effect is the major cause of death in cerebral venous thrombosis (CVT). Decompressive surgery may be lifesaving in these patients. METHODS Retrospective registry of cases of acute CVT treated with decompressive surgery (craniectomy or hematoma evacuation) in 22 centers and systematic review of all published cases of CVT treated...
PURPOSE The aim of this study was to investigate if ischemic stroke final infarction volume and location can be used to predict the associated functional outcome using a multi-class support vector machine (SVM). MATERIAL AND METHODS Sixty-eight follow-up MR FLAIR datasets of ischemic stroke patients with known modified Rankin Scale (mRS) functional outcome after 30 days were used. The infarct...
The advantages of ultra-high-field (UHF ≥ 7T) MR have been demonstrated in a variety of MR acquisition modalities. Magnetic resonance spectroscopy (MRS) can particularly benefit from substantial gains in signal-to-noise ratio (SNR) and spectral resolution at UHF, enabling the quantification of numerous metabolites, including glutamate, glutamine, glutathione, and γ-aminobutyric acid that are re...
BACKGROUND We examined whether physical activity modifies the relationship between stress and the metabolic risk score in 8- to 18-year-old males (n = 37). METHODS Physical activity (PA) and television (TV)/videogame (VG) use were assessed via accelerometer and questionnaire, respectively. Stress was determined from self-report measures. A metabolic risk score (MRS) was created by summing age...
روش سونداژ تشدید مغناطیسی (MRS) از جمله روشهای جدید ژئوفیزیکی است که بهطور مستقیم قادر به شناسایی آبزیرزمینی است. با استفاده از این روش میتوان برخی پارامترهای آبخوان از قبیل تخلخل، تراوایی و گذردهی را مشخص کرد. هدف از این تحقیق بررسی روش MRS در زمین رسانا و همچنین ترکیب دو روش MRS با مقاومتویژه بهمنظور تشخیص کیفیت آب از نظر شوری است. برای این تحقیق، منطقه آبیک واقع در جنوبشرقی استان قزو...
Background—We previously reported that 20% of women with chest pain but without obstructive coronary artery disease (CAD) had stress-induced reduction in myocardial phosphocreatine–adenosine triphosphate ratio by phosphorus-31 nuclear magnetic resonance spectroscopy (abnormal MRS), consistent with myocardial ischemia. The prognostic implications of these findings are unknown. Methods and Result...
The European vision of the Factory Future is based on increasing competition and sustainability by transformation from cost orientation to high-adding value with technical organisational innovations. One expected outcomes an increase in modularisation, i.e., reconfigurability system manufacturing conditions. Modular systems (MMS), will consist modular platforms (MP) that are capable rapid rebui...
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Mammary gland development starts in utero with one or several pairs of mammary rudiments (MRs) budding from the surface ectodermal component of the mammalian embryonic skin. Mice develop five pairs, numbered MR1 to MR5 from pectoral to inguinal position. We have previously shown that Gli3(Xt-J/Xt-J) mutant embryos, which lack the transcription factor Gli3, do not form MR3 and MR5. We show here ...
Due to its unique sensitivity to hydrogen protons, magnetic resonance sounding (MRS) is the only geophysical method that directly detects water and can provide nondestructive information on subsurface aquifer properties. The relationship between the surface MRS signal and the location and characteristics of aquifers using large-coil (typically 50-150 m) sensors has been discussed based on forwa...
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