Low-energy scanning methods cut CT contrast dose

Using dual-energy CT or simply lowering the tube voltage of standard CT can...Read more on AuntMinnie.comRelated Reading: Bottoms up: Oral contrast preferred over missed finding Study finds no kidney damage from CT contrast Contrast use doesn't change acute kidney injury rate Contrast-mixing protocol improves GI opacification on CT ISCT speakers offer advice on managing CT contrast reactions
Source: AuntMinnie.com Headlines - Category: Radiology Source Type: news

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Publication date: Available online 20 October 2019Source: International Journal of PsychophysiologyAuthor(s): Eliana Vassena, Filip Van Opstal, Ingeborg Goethals, Tom VergutsAbstractThe ability to exert control has been widely investigated as a hallmark of adaptive behaviour. Dopamine is recognized as the key neuromodulator mediating various control-related processes. The neural mechanisms underlying the subjective perception of being in control, or Locus of Control (LOC) are however less clear. LOC indicates the subjective tendency to attribute environmental outcomes to one's actions (internal LOC) or instead to external ...
Source: International Journal of Psychophysiology - Category: Psychiatry & Psychology Source Type: research
Objective: To compare the rate of malreduction after high fibular fractures associated with syndesmosis injury treated with open reduction and internal fixation, with either 2 screws or 1 knotless TightRope device. Design: Prospective randomized controlled multicenter trial. Setting: Eleven academic and community hospitals including Level 1 and Level 2 trauma centers across Canada. Patients/Participants: One hundred three patients with OTA/AO 44-C injuries with demonstrated radiographic syndesmosis diastasis or instability after malleolar bony fixation were followed for 12 months after treatment. Methods: Ope...
Source: Journal of Orthopaedic Trauma - Category: Orthopaedics Tags: Original Article Source Type: research
CONCLUSION: A substantial proportion of infants diagnosed with CF after detection by NBS already showed evidence of lung disease. P. aeruginosa colonization was associated with increas ed Bhalla scores, highlighting the importance of this CF pathogen in early structural lung disease. The presence of bronchial wall thickening at such a young age may reflect the presence of airway inflammatory processes. The detection and quantification of structural abnormalities with the modified Bhalla score may aid in the identification of lung disease before it is clinically apparent.
Source: Clinics - Category: General Medicine Source Type: research
Conclusion: The use of TPB constructs in the development of oral health promotions aimed at parents of preschoolers was partially supported. Intention and behavior were not affected post-intervention, but SN and PBC emerged as significant predictors of intentions and behavior. A dental smartphone app may aid parents to make good oral health habits part of their preschooler's daily routine. PMID: 31628171 [PubMed - in process]
Source: Journal of Dental Hygiene - Category: Dentistry Tags: J Dent Hyg Source Type: research
Publication date: Available online 20 October 2019Source: Blood Cells, Molecules, and DiseasesAuthor(s): Seung Hyun Son, Ji Min Oh, Prakash Gangadaran, Hyun Dong Ji, Ho Won Lee, Ramya Lakshmi Rajendran, Se Hwan Baek, Arunnehru Gopal, Senthilkumar Kalimuthu, Shin Young Jeong, Sang-Woo Lee, Jaetae Lee, Byeong-Cheol AhnAbstractBackgroundExtracellular vesicles, have gained increasing attention for their application in drug delivery. Here, we developed a novel method for radiolabeling WBCs with 99mTc using RBC-derived extracellular vesicles -mimetics (EVMs), and monitored in vivo inflammation tracking of 99mTc-WBC using gamma c...
Source: Blood Cells, Molecules, and Diseases - Category: Hematology Source Type: research
For most people, the process of blood donation appears simple and straightforward: you lounge on a chair for 20-30 minutes as your blood collects into a bag, grab a cookie and some juice, then head back to the rest of your day. Behind the scenes, how...
Source: Medgadget - Category: Medical Devices Authors: Tags: Emergency Medicine Exclusive Public Health Surgery Source Type: blogs
The U.S. Food and Drug Administration (FDA) has granted 510(k) clearance to...Read more on AuntMinnie.comRelated Reading: Canon debuts Alphenix version for labs and centers Canon plans to open Middle East division Canon unveils Alphenix Encore Plus Program Canon's CT portfolio primed for lung cancer screening Canon installs 3T MRI scanner in Colo.
Source: AuntMinnie.com Headlines - Category: Radiology Source Type: news
Authors: Raisbeck LD, Diekfuss JA, Grooms DR, Schmitz R Abstract CONTEXT: Although the beneficial effects of using an external focus of attention are well documented in attainment and performance of movement execution, neural mechanisms underlying external focus' benefits are mostly unknown. OBJECTIVE: To assess brain function during a lower-extremity gross motor movement while manipulating an internal and external focus of attention. DESIGN: Cross-over study. SETTING: Neuroimaging center Participants: A total of 10 healthy subjects (5 males and 5 females) Intervention: Participants completed external a...
Source: Journal of Sport Rehabilitation - Category: Sports Medicine Tags: J Sport Rehabil Source Type: research
In this study, the impact resistance in the radial loading direction of nine tree species was studied using drop-tower testing, micro-computed tomography, and scanning electron microscopy. It was found that unlike in quasi-static conditions, density alone is a poor predictor of mechanical behavior in wood and that specific mesostructural features (interlocking grain, diffuse porous vessel distribution and intermittent rays) improved impact strength. A new, hierarchical failure of individual tracheids and the bulk fibers resembling progressive delamination of fiber-composites was observed in African mahogany, the most impac...
Source: Materials Today Communications - Category: Materials Science Source Type: research
Publication date: Available online 20 October 2019Source: Journal of Membrane ScienceAuthor(s): Lujie Sheng, Jizhong Ren, Kaisheng Hua, Hui Li, Yuxuan Feng, Maicun DengAbstractIn this paper, BTDA-TDI/MDI (P84) co-polyimide hollow fiber membranes (HFMs) were prepared by dry-jet wet spinning technique. The P84 HFMs were thermally annealed below and above P84 Tg (321.5 °C) to investigate their mechanical properties and gas separation properties. Thermally annealing at different temperature below and above Tg influenced the tensile strength, Young's modulus and the elongation at break significantly. Compared with the pri...
Source: Journal of Membrane Science - Category: Materials Science Source Type: research
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