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Development of image quality related reference doses called acceptable quality doses (AQD) in paediatric CT exams in Qatar
Published 2022“…The median CTDIvol values for the above weight groups were 16, 20, 22, 22, 27 and 27 mGy and the median DLP values for these weight groups were 271, 377, 463, 486, 568 and 570 mGy cm, respectively, for head CT. …”
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The impact of automatic tube current modulation related settings of a modern GE CT scanner on image quality and patient dose; details do matter
Published 2024“…Regarding the ATCM settings, the SmartmA minimum and maximum mA limits, and the noise index (NI) values were varied. As surrogates of patient dose, the CTDIvol and DLP values of each scan were used. …”
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Effectiveness of Positron Emission Tomography for Predicting Chemotherapy Response in Colorectal Cancer Liver Metastases
Published 2010“…For example, a few years ago an extrahepatic metastasis effectively eliminated surgical resection, but a combination of chemotherapeutic options and surgical techniques has expanded the indications for resection and increased the population of patients who may benefit.1,2 Neoadjuvant chemotherapy has increased the resectability rate by 11% to 37%.1 Unfortunately, greater than 80% of patients undergoing hepatic resection will have recurrences, mostly within the first 2 years.2 Nonetheless, the only hope for cure is resection, and prior surgical dogma based on the number of lesions, size of the tumor-free resection margin, and presence of resectable extrahepatic disease must be questioned.3- 5 The current standard approach to surgical planning is contrast-enhanced computed tomography (CT) or magnetic resonance imaging (MRI) for specific tumor characteristics or contraindications to CT.6 Several series showed that focal extrahepatic disease, an isolated pulmonary lesion, can be safely resected, with 5-year survival rates of 29% to 58%.7,8 In 1 series,7 17 of 30 patients required 3 or more resections. …”
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The impact of nursing education curriculum and workforce preparation on students’ critical thinking, moral reasoning and evaluate their perspectives on cultural sensitivity in UAE...
Published 2020“…Adding to that, the results revealed that there was a high correlation between induction and all domains at p-value <0.01 except with the deduction domain. Furthermore, a significant correlation between deduction and overall, analysis and inference domains has been shown at p- value <0.01.The applications for nursing education and clinical practices were discussed. …”
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Space size relative to prey width and total cover in an area both influence the habitat choices of freshwater angelfish Pterophyllum scalare in mesocosms
Published 2012“…Prey survivorship can vary with average space size/prey width (Sp/Py) and total cover within an area (Ct/At). Hypotheses predict that prey survivorship is maximized at intermediate Sp/Py values and that prey survivorship increases rapidly from zero to low cover but increases at a slower rate as cover increases further. …”
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Habitat Complexity Influences the Microhabitat Choices of Desert Beetles
Published 2011“…The model also predicts that prey survivorship increases with increasing cover (Ct/At), which interferes with predators' ability to detect prey. …”
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Gastroesophageal Cancer After Gastric Bypass Surgeries
Published 2022“…This resulted in an odds ratio of 0.38 (p-value = 0.26), which failed to prove an increase in cancer occurrence in the gastric tube after LGB-MGB/OAGB compared to RYGB. …”
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Predicting infarction growth rate II using ANFIS-based binary particle swarm optimization technique in ischemic stroke
Published 2023“…By analyzing the Pearson correlation coefficients and P-values, we selected clinically relevant features strongly correlated with the Infarction Growth Rate (IGR II), extracted after one CT scan. …”
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Characterization of brain lesions using MRI/spectroscopy versus FDG PET fused with MRI
Published 2008“…Objectives: To retrospectively compare the diagnostic value of MRI with integrative spectroscopy (MRI/spec), to anatomically fused FDG PET/MRI (PET/MRI) in brain lesions. …”
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Finite Element Analysis of the Mechanism of Traumatic Aortic Rupture (TAR)
Published 2020“…The finite element analysis indicated that maximum stress and strain applied to the aorta were from 5.4819e5 to 2.614e6 Pa and 0.21048 to 0.62676, respectively, in the <em>Y</em>-direction when the initial velocity increased from 10 to 25 m/s. Furthermore, in the <em>X</em>-direction when the velocity changed from 15 to 25 m/s, the stress and strain values increased from 5.17771e5 to 2.3128e6 and from 0.22445 to 0.618, respectively. …”
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