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- Ademuyiwa, Adesoji O., et al.
(author)
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Determinants of morbidity and mortality following emergency abdominal surgery in children in low-income and middle-income countries
- 2016
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In: BMJ Global Health. - : BMJ Publishing Group Ltd. - 2059-7908. ; 1:4
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Journal article (peer-reviewed)abstract
- Background: Child health is a key priority on the global health agenda, yet the provision of essential and emergency surgery in children is patchy in resource-poor regions. This study was aimed to determine the mortality risk for emergency abdominal paediatric surgery in low-income countries globally.Methods: Multicentre, international, prospective, cohort study. Self-selected surgical units performing emergency abdominal surgery submitted prespecified data for consecutive children aged <16 years during a 2-week period between July and December 2014. The United Nation's Human Development Index (HDI) was used to stratify countries. The main outcome measure was 30-day postoperative mortality, analysed by multilevel logistic regression.Results: This study included 1409 patients from 253 centres in 43 countries; 282 children were under 2 years of age. Among them, 265 (18.8%) were from low-HDI, 450 (31.9%) from middle-HDI and 694 (49.3%) from high-HDI countries. The most common operations performed were appendectomy, small bowel resection, pyloromyotomy and correction of intussusception. After adjustment for patient and hospital risk factors, child mortality at 30 days was significantly higher in low-HDI (adjusted OR 7.14 (95% CI 2.52 to 20.23), p<0.001) and middle-HDI (4.42 (1.44 to 13.56), p=0.009) countries compared with high-HDI countries, translating to 40 excess deaths per 1000 procedures performed.Conclusions: Adjusted mortality in children following emergency abdominal surgery may be as high as 7 times greater in low-HDI and middle-HDI countries compared with high-HDI countries. Effective provision of emergency essential surgery should be a key priority for global child health agendas.
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- Adman, Per, et al.
(author)
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171 forskare: ”Vi vuxna bör också klimatprotestera”
- 2019
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In: Dagens nyheter (DN debatt). - Stockholm. - 1101-2447.
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Journal article (pop. science, debate, etc.)abstract
- DN DEBATT 26/9. Vuxna bör följa uppmaningen från ungdomarna i Fridays for future-rörelsen och protestera eftersom det politiska ledarskapet är otillräckligt. Omfattande och långvariga påtryckningar från hela samhället behövs för att få de politiskt ansvariga att utöva det ledarskap som klimatkrisen kräver, skriver 171 forskare i samhällsvetenskap och humaniora.
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- Andersson, Emmelie, et al.
(author)
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Förutsättningar för krisberedskap och totalförsvar i Sverige
- 2017
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Reports (other academic/artistic)abstract
- Denna rapport beskriver utvecklingen av totalförsvaret och framväxten av området samhällsskydd och beredskap. Den ska ge en övergripande bild av hur det ser ut idag på lokal, regional och nationell nivå inom krisberedskap och totalförsvar. Det bör nämnas att rapporten främst fokuserar på utvecklingen av och förändringar i den civila delen i totalförsvaret samt på samhällsskydd och beredskap.Syftet är att ge läsaren en förståelse för dagens krisberedskap och totalförsvar. För att få en uppfattning för varför vi befinner oss där vi är idag, är det av vikt att ha med sig en bild av historiska händelser, förändrade hotbilder och av de beslut (och ickebeslut) som fattats.Författarna vill betona att rapporten ingalunda ger en komplett bild av krisberedskap eller totalförsvar, utan är tänkt att skapa intresse, kunskap och förståelse på ett övergripande plan.Rapporten ska främst ses som ett stöd för högskolestudenter, beslutsfattare och handläggare genom att ge en översiktlig beskrivning över de system och funktioner som utgör svensk krisberedskap och totalförsvar. Rapporten kan läsas i sin helhet, men kan också användas som ett slags uppslagsverk för den läsare som är intresserad av en särskild tidsperiod, händelse eller ett beslut.
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| 5. |
- Andersson, Henrik, et al.
(author)
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Soldering Surface Mount Components onto Inkjet Printed Conductors on Paper Substrate using Industrial Processes
- 2016
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In: IEEE Transactions on Components, Packaging, and Manufacturing Technology. - 2156-3950 .- 2156-3985. ; 6:3, s. 478-485
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Journal article (peer-reviewed)abstract
- This paper describes mounting of standard surface mount component packages on a paper substrate using an industrial solder process with a low-temperature solder. The use of paper as a substrate for printed flexible electronics is becoming more and more widespread as an alternative to the more commonly used plastic substrates, such as polyethylene and polyimide. Paper has the benefits of being environmentally friendly, recyclable, and renewable, as well as inexpensive. It is shown that it is possible to mount standard surface mount device components on paper substrates using low-temperature solder in an industrial soldering process. The contact resistances obtained are mostly low, although the yield of functioning contacts is low. The reason is cracking of the substrate coating layer that goes through the printed silver tracks. It was observed that the cracks appear mostly close to the contact pads, the most likely cause is thermal mismatch between the coating layer and solder and also thermal expansion of the photo paper resin coating. The smallest component package size, 0201, resulted in the highest yield of >80% with decreasing yield for larger package sizes.
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| 7. |
- Andersson, Martin, et al.
(author)
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Early life swimming pool exposure and asthma onset in children : a case-control study
- 2018
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In: Environmental Health. - : BioMed Central (BMC). - 1476-069X. ; 17
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Journal article (peer-reviewed)abstract
- BACKGROUND: Trichloramine exposure in indoor swimming pools has been suggested to cause asthma in children. We aimed to investigate the risk of asthma onset among children in relation to individual trichloramine exposure.METHODS: A longitudinal nested case-control study of 337 children with asthma (cases) and 633 controls aged 16-17 years was performed within a population-based cohort from The Obstructive Lung Disease in Northern Sweden studies (OLIN). Year of asthma onset and exposure time at different ages were obtained in telephone interviews. Trichloramine concentrations in the pool buildings were measured. Skin prick test results for inhalant allergens were available from previous examinations of the cohort. The risk for asthma was analyzed in relation to the cumulative trichloramine exposure before onset of asthma.RESULTS: Swimming pool exposure in early life was associated with a significantly higher risk of pre-school asthma onset. A dose-response relationship between swimming pool exposure and asthma was indicated in children with asthma onset at 1 year of age. Children who were both sensitized and exposed had a particularly high risk.CONCLUSIONS: Early life exposure to chlorinated swimming pool environments was associated with pre-school asthma onset.
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| 8. |
- Andersson, Martin, et al.
(author)
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Swimming pool attendance is related to asthma among atopic school children : a population-based study
- 2015
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In: Environmental Health. - : Springer Science and Business Media LLC. - 1476-069X. ; 14:14
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Journal article (peer-reviewed)abstract
- Background: By-products of water disinfectants have been suggested to cause asthma, especially in atopic children. However, studies on indoor swimming pool attendance and asthma in children have presented conflicting results. The present study examined the relationship between indoor swimming pool attendance and asthma among sensitized and non-sensitized children aged 11-12 years.Methods: An extended ISAAC questionnaire was sent to the families of all children attending fifth or sixth grade, aged 11-12 years, in two municipalities in Northern Sweden in 2010. A total of 1866 participated (96% of those invited) in the questionnaire study and 1652 (89%) also participated in skin prick testing for 10 standard airborne allergens. Asthma was defined as physician-diagnosed asthma in combination with wheeze or use of asthma medication in the last 12 months. Current swimming pool attendance was reported as >= 1/week or <1/week. Logistic regression models were used for data analysis.Results: The prevalence of current asthma was 8.9% (10.0% of boys; 7.9% of girls) and 14% had attended indoor pools >= 1/week. Children currently attending swimming pools >= 1/week had an increased risk of current asthma. Stratified analyses for allergic sensitization adjusted for sex, parental smoking, parental asthma, and damp housing, showed a statistically significant association for current asthma only among sensitized subjects (OR 95% CI 1.90 1.09-3.32). No association was found between current pool attendance and wheeze, sensitization, rhinitis or eczema.Conclusions: The present study supports the proposed link between indoor swimming pool attendance and asthma in sensitized children.
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| 9. |
- Andersson, Richard, et al.
(author)
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One algorithm to rule them all? : An evaluation and discussion of ten eye movement event-detection algorithms
- 2017
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In: Behavior Research Methods. - : Springer Science and Business Media LLC. - 1554-3528. ; 49:2, s. 616-637
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Journal article (peer-reviewed)abstract
- Almost all eye-movement researchers use algorithms to parse raw data and detect distinct types of eye movement events, such as fixations, saccades, and pursuit, and then base their results on these. Surprisingly, these algorithms are rarely evaluated. We evaluated the classifications of ten eye-movement event detection algorithms, on data from an SMI HiSpeed 1250 system, and compared them to manual ratings of two human experts. The evaluation focused on fixations, saccades, and post-saccadic oscillations. The evaluation used both event duration parameters, and sample-by-sample comparisons to rank the algorithms. The resulting event durations varied substantially as a function of what algorithm was used. This evaluation differed from previous evaluations by considering a relatively large set of algorithms, multiple events, and data from both static and dynamic stimuli. The main conclusion is that current detectors of only fixations and saccades work reasonably well for static stimuli, but barely better than chance for dynamic stimuli. Differing results across evaluation methods make it difficult to select one winner for fixation detection. For saccade detection, however, the algorithm by Larsson, Nyström and Stridh (IEEE Transaction on Biomedical Engineering, 60(9):2484–2493,2013) outperforms all algorithms in data from both static and dynamic stimuli. The data also show how improperly selected algorithms applied to dynamic data misestimate fixation and saccade properties.
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