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| 2. |
- Ali, Adnan, et al.
(författare)
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Portal vein embolization with N-butyl cyanoacrylate glue is superior to other materials : a systematic review and meta-analysis
- 2021
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Ingår i: European Radiology. - : Springer. - 0938-7994 .- 1432-1084. ; 31:8, s. 5464-5478
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Forskningsöversikt (refereegranskat)abstract
- Objectives It remains uncertain which embolization material is best for portal vein embolization (PVE). We investigated the various materials for effectiveness in inducing future liver remnant (FLR) hypertrophy, technical and growth success rates, and complication and resection rates. Methods A systematic review from 1998 to 2019 on embolization materials for PVE was performed on Pubmed, Embase, and Cochrane. FLR growth between the two most commonly used materials was compared in a random effects meta-analysis. In a separate analysis using local data (n = 52), n-butyl cyanoacrylate (NBCA) was compared with microparticles regarding costs, radiation dose, and procedure time. Results In total, 2896 patients, 61.0 +/- 4.0 years of age and 65% male, from 51 papers were included in the analysis. In 61% of the patients, either NBCA or microparticles were used for embolization. The remaining were treated with ethanol, gelfoam, or sclerosing agents. The FLR growth with NBCA was 49.1% +/- 29.7 compared to 42.2% +/- 40 with microparticles (p = 0.037). The growth success rate with NBCA vs microparticles was 95.3% vs 90.7% respectively (p < 0.001). There were no differences in major complications between NBCA and microparticles. In the local analysis, NBCA (n = 41) entailed shorter procedure time and reduced fluoroscopy time (p < 0.001), lower radiation exposure (p < 0.01), and lower material costs (p < 0.0001) than microparticles (n = 11). Conclusion PVE with NBCA seems to be the best choice when combining growth of the FLR, procedure time, radiation exposure, and costs.
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- Andersson, Margareta, et al.
(författare)
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Intervju med Karin Eriksson från Bräcke
- 1979
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Annan publikation (populärvet., debatt m.m.)abstract
- Interview with Karin Eriksson from Bräcke, aged 67. The interview was conducted by the SSLIS students Margareta Andersson, Sigyn Franzén, Christina Jägerback, Sonja Karlsson, Anna-Lena Sandström, Karin Sjöstrand and Christina Wallén on January 10, 1979.
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| 4. |
- Axelsson, Annika, et al.
(författare)
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Tre mammor berättar om sina barns tid i förskola och förskoleklass samt övergången däremellan
- 2017. - 31
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Ingår i: Barn och unga i skola och samhälle. - Västerås : Mälardalen University Sweden. - 9789174853261
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Bokkapitel (refereegranskat)abstract
- Syftet med den studie som ligger till grund för detta bokkapitel var att belysa tre mammors upplevelser av sina barns väg från förskola till förskoleklass. En kvalitativ forskningsansats, livsberättelser och en bioekologisk innehållsanalys användes. Studien visade att barns tid i förskola och förskoleklass samt övergången däremellan kan se olika ut. Den visade också att mammor kan känna oro för att deras barn inte ska få det stöd som de behöver för att kunna delta, lära sig och utvecklas i förskola och förskoleklass. Dessutom visade studien att mammor kan ta en aktiv del i arbetet med att förebygga och lösa problem i förskola och förskoleklass. De tre mammorna ville sina barns bästa och inriktade sina krafter på att de skulle få en så trygg och harmonisk tid i förskola och förskoleklass som möjligt. De ville också att deras barn skulle få intellektuell stimulans och nödvändiga behov tillgodosedda.
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- Callaghan, Terry, et al.
(författare)
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Multi-Decadal Changes in Tundra Environments and Ecosystems : Synthesis of the International Polar Year-Back to the Future Project (IPY-BTF)
- 2011
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Ingår i: Ambio. - : Springer Science and Business Media LLC. - 0044-7447 .- 1654-7209. ; 40:6, s. 705-716
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Tidskriftsartikel (refereegranskat)abstract
- Understanding the responses of tundra systemsto global change has global implications. Most tundraregions lack sustained environmental monitoring and oneof the only ways to document multi-decadal change is toresample historic research sites. The International PolarYear (IPY) provided a unique opportunity for such researchthrough the Back to the Future (BTF) project (IPY project#512). This article synthesizes the results from 13 paperswithin this Ambio Special Issue. Abiotic changes includeglacial recession in the Altai Mountains, Russia; increasedsnow depth and hardness, permafrost warming, andincreased growing season length in sub-arctic Sweden;drying of ponds in Greenland; increased nutrient availabilityin Alaskan tundra ponds, and warming at mostlocations studied. Biotic changes ranged from relativelyminor plant community change at two sites in Greenland tomoderate change in the Yukon, and to dramatic increasesin shrub and tree density on Herschel Island, and in subarcticSweden. The population of geese tripled at one sitein northeast Greenland where biomass in non-grazed plotsdoubled. A model parameterized using results from a BTFstudy forecasts substantial declines in all snowbeds andincreases in shrub tundra on Niwot Ridge, Colorado overthe next century. In general, results support and provideimproved capacities for validating experimental manipulation,remote sensing, and modeling studies.
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| 7. |
- Engström, Fredrik, et al.
(författare)
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Leaching Behavior of Aged Steel Slags
- 2014
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Ingår i: Steel Research International. - : Wiley. - 1611-3683 .- 1869-344X. ; 85:4, s. 607-615
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Tidskriftsartikel (refereegranskat)abstract
- Large amounts of slag are generated by the Swedish Steel Industry each year. The Electric Arc Furnace process generates about 200 000 ton of slag per annum, from which approximately 40% is deposited. An alternative to deposit is to use slag as road construction material. However, leaching of metals from the slag can be a reason to limit slag use in road construction. The aim of this work was to investigate how stable these materials are when aged, in an environment open to seasonable weather conditions, with respect to leaching and mineralogy. Three different EAF-slags from domestic steel plants were used in this study. The materials were characterized after 0, 6, 12, 18, and 24 months to evaluate the ageing process. The analytical techniques that were used to evaluate the effect of ageing are scanning electron microscopy (SEM), X-ray powder diffraction (XRD) and a standard test for leaching. The changes in ageing behavior differ between the three materials. The conductivity and the pH decreases with time for all samples. The leaching of calcium, chromium as well as aluminum decreases with time while the leaching of magnesium increases. CaCO3 was formed on slag surfaces as CaO reacts with moisture and CO2 from the air.
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| 9. |
- Korenblik, R., et al.
(författare)
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Dragon 1 Protocol Manuscript : Training, Accreditation, Implementation and Safety Evaluation of Portal and Hepatic Vein Embolization (PVE/HVE) to Accelerate Future Liver Remnant (FLR) Hypertrophy
- 2022
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Ingår i: Cardiovascular and Interventional Radiology. - : Springer. - 0174-1551 .- 1432-086X. ; 45, s. 1391-1398
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Tidskriftsartikel (refereegranskat)abstract
- Study Purpose The DRAGON 1 trial aims to assess training, implementation, safety and feasibility of combined portal- and hepatic-vein embolization (PVE/HVE) to accelerate future liver remnant (FLR) hypertrophy in patients with borderline resectable colorectal cancer liver metastases. Methods The DRAGON 1 trial is a worldwide multicenter prospective single arm trial. The primary endpoint is a composite of the safety of PVE/HVE, 90-day mortality, and one year accrual monitoring of each participating center. Secondary endpoints include: feasibility of resection, the used PVE and HVE techniques, FLR-hypertrophy, liver function (subset of centers), overall survival, and disease-free survival. All complications after the PVE/HVE procedure are documented. Liver volumes will be measured at week 1 and if applicable at week 3 and 6 after PVE/HVE and follow-up visits will be held at 1, 3, 6, and 12 months after the resection. Results Not applicable. Conclusion DRAGON 1 is a prospective trial to assess the safety and feasibility of PVE/HVE. Participating study centers will be trained, and procedures standardized using Work Instructions (WI) to prepare for the DRAGON 2 randomized controlled trial. Outcomes should reveal the accrual potential of centers, safety profile of combined PVE/HVE and the effect of FLR-hypertrophy induction by PVE/HVE in patients with CRLM and a small FLR.
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