نتایج جستجو برای: concentration of contrast agent
تعداد نتایج: 21198660 فیلتر نتایج به سال:
The aim of the study was to determine the usefulness of interleukin 18 (IL-18) and neutrophil-gelatinase associated lipocalin (NGAL) in the risk assessment of contrast nephropathy in children. The study included patients among whom radiological examinations were performed using intravascular contrast agent. The material consisted of 33 children (19 girls, 14 boys) aged 6.37 ±5.41 years. 20/33 (...
BACKGROUND The detection and differentiation of intracardiac masses is still challenging and may include neoplasms and thrombi. The aim of this study was the investigation of a targeted, fibrin-specific contrast agent (EP-2104R) for molecular targeted magnetic resonance imaging (MRI) of left atrial clots. METHODS AND RESULTS Chronic human thrombi were surgically implanted in the left atrial a...
Targeted MRI contrast agents have proven useful in research and clinical studies for highlighting specific metabolites and biomarkers [Davies GL, et al. (2013) Chem Commun (Camb) 49(84):9704-9721] but their applicability in serial imaging is limited owing to a changing concentration postinjection. Solid enclosures have previously been used to keep the local concentration of contrast agent const...
Introduction: Infertility has increased in Iran due to age, inappropriate nutrition and marriage. One of the causes of infertility is the blockage of the uterine tubes. Hysterosalpingography(HSG) is a non-invasive method used to examine the uterus of the uterus. In this method, by inserting the contrast agent through the vagina into the uterus, there is a possibility of partial...
BACKGROUND Radiographic contrast agents can cause a reduction in renal function that may be due to reactive oxygen species. Whether the reduction can be prevented by the administration of antioxidants is unknown. METHODS We prospectively studied 83 patients with chronic renal insufficiency (mean [+/-SD] serum creatinine concentration, 2.4+/-1.3 mg per deciliter [216+/-116 micromol per liter])...
socio-political metatheories based on ontological and epistemological foundations, could be devided to different objectivist and subjectivist fronts. according to such a devide, different interpretation of individual-society and agent-structure could be renderd. in contrast,critical metatheories that seek to transcend the contradiction between objectivity-subjectivity in the individual-society ...
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