26 research outputs found

    Building capacity from within: qualitative evaluation of a training program aimed at upskilling healthcare workers in delivering an evidence-based implementation approach.

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    Translating evidence into complex health systems is an ongoing challenge. Building the capacity of healthcare workers in behavioral and implementation science methods may facilitate the use of evidence-based implementation approaches, leading to sustainable and effective translation. The aim was to describe the development, contents and evaluation of a training workshop aimed at upskilling hospital-embedded staff to deliver an evidence-based implementation approach. The Hide and Seek Project (HaSP) is a cluster randomized controlled trial testing two implementation approaches for improving hereditary cancer referral at eight Australian hospitals. Healthcare workers were recruited as "Implementation Leads" and trained via a one-day workshop-TRAining in evideNce-baSed ImpLementATion for hEalth (TRANSLATE). The purpose of TRANSLATE was to upskill Implementation Leads in the delivery of HaSP, as well as implementation science methods more broadly. Implementation Leads participated in semi-structured evaluation interviews, which were analyzed using inductive thematic analysis. Nine Implementation Leads from various professional backgrounds completed the training. Four key themes were identified: (i) training day reactions, (ii) learning, (iii) implementation barriers and facilitators, and (iv) building health system capacity for implementation. Participants reported high levels of satisfaction, and anticipated that the knowledge and skills may be useful in the future. We describe a novel training program focused on the delivery of evidence-based implementation within health systems. Guided by insights from this study, methods to deliver the training on a larger scale and across different contexts are being explored. The prolonged impact of TRANSLATE will be further evaluated at trial completion. Trial registration: ANZCTR, ACTRN12618001072202. Registered on June 27, 2018

    Novel inhibitors targeting Venezuelan equine encephalitis virus capsid protein identified using In Silico Structure-Based-Drug-Design (vol 7, 17705, 2017)

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    A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper

    99mTc-radiolabeled composites enabling in vivo imaging of arterial dispersal and retention of microspheres in the vascular network of rabbit lungs, liver, and liver tumors

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    Ross W Stephens,1 Gregory D Tredwell,1 Karen J Knox,1 Lee A Philip,1 David W King,1 Kelly M Debono,2 Jessica L Bell,1 Tim J Senden,1 Marcel R Tanudji,3 Jillean G Winter,3 Stephanie A Bickley,3 Michael J Tapner,3 Stephen K Jones3 1The Biomedical Radiochemistry Laboratory, Department of Applied Mathematics, Research School of Physics and Engineering, Australian National University, Canberra, ACT, Australia; 2Animal Services Division, Research School of Biology, Australian National University, Canberra, ACT, Australia; 3Research and Development, Sirtex Medical Limited, Sydney, NSW, Australia Purpose: Selective internal radiation therapy (SIRT) is an effective treatment option for liver tumors, using Y-90-loaded polymer microspheres that are delivered via catheterization of the hepatic artery. Since Y-90 is a beta emitter and not conveniently imaged by standard clinical instrumentation, dosimetry is currently evaluated in each patient using a surrogate particle, 99mTechnetium-labeled macroaggregated albumin (99mTc-MAA). We report a new composite consisting of 99mTc-labeled nanoparticles attached to the same polymer microspheres as used for SIRT, which can be imaged with standard SPECT.Methods: Carbon nanoparticles with an encapsulated core of 99mTc were coated with the polycation protamine sulfate to provide electrostatic attachment to anionic polystyrene sulfonate microspheres of different sizes (30, 12, and 8 µm). The in vivo stability of these composites was determined via intravenous injection and entrapment in the capillary network of normal rabbit lungs for up to 3 hours. Furthermore, we evaluated their biodistribution in normal rabbit livers, and livers implanted with VX2 tumors, following intrahepatic artery instillation. Results: We report distribution tests for three different sizes of radiolabeled microspheres and compare the results with those obtained using 99mTc-MAA. Lung retention of the radiolabeled microspheres ranged from 72.8% to 92.9%, with the smaller diameter microspheres showing the lowest retention. Liver retention of the microspheres was higher, with retention in normal livers ranging from 99.2% to 99.8%, and in livers with VX2 tumors from 98.2% to 99.2%. The radiolabeled microspheres clearly demonstrated preferential uptake at tumor sites due to the increased arterial perfusion produced by angiogenesis.Conclusion: We describe a novel use of radiolabeled carbon nanoparticles to generate an imageable microsphere that is stable in vivo under the shear stress conditions of arterial networks. Following intra-arterial instillation in the normal rabbit liver, they distribute in a distinct segmented pattern, with the smaller microspheres extending throughout the organ in finer detail, while still being well retained within the liver. Furthermore, in livers hosting an implanted VX2 tumor, they reveal the increased arterial perfusion of tumor tissue resulting from angiogenesis. These novel composites may have potential as a more representative mimic of the vascular distribution of therapeutic microspheres in patients undergoing SIRT. Keywords: liver cancer, SIRT, radiolabeled microspheres, medical imagin

    Cattle farm Helvikovice

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    Bachelor‘s thesis deals with the renewal and extension of the main building complex in Lower Court Helvíkovice in the Pardubice region. The aim of this work is to find the appropriate architectural and urban design, which would meet the requirements for new functional use of the original building to agricultural use. It is a secluded farm, which is engaged in breeding bulls. There are more buildings, but part of the thesis is to develop the main building, which serves as the public. The exact current status is unknown, only the design documentation of reconstruction of the embrace from which partially come out. This object is an elongated shape, which I extended because of the insertion of stairs to the attic, and this extension continues further winter garden of round wood glued trusses. In order to alleviate the length of the building, I used vertical strips of wood paneling on the facade. The newly designed building, which is located in close proximity to the road, invites the public to visit, as part of the building is also a shop with fresh bull meat. Also sitting in the conservatory, overlooking the whole area and the possibility of snacks. Who would want to stay longer has the opportunity to book one of the five apartments that are located in the attic of the building. Another part of the building is used for cutting meat, with all its requirements. The last part of the building is left as a dwelling for the owner of the farm
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