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| 4. |
- Adman, Per, et al.
(författare)
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171 forskare: ”Vi vuxna bör också klimatprotestera”
- 2019
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Ingår i: Dagens nyheter (DN debatt). - Stockholm. - 1101-2447.
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Tidskriftsartikel (populärvet., debatt m.m.)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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| 5. |
- Enroth, Helena, et al.
(författare)
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Evaluation of QuickFISH and maldi Sepsityper for identification of bacteria in bloodstream infection
- 2019
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Ingår i: Infectious Diseases. - : Taylor & Francis. - 2374-4235 .- 2374-4243. ; 51:4, s. 249-258
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Tidskriftsartikel (refereegranskat)abstract
- Background: Early detection of bacteria and their antibiotic susceptibility patterns are critical to guide therapeutic decision-making for optimal care of septic patients. The current gold standard, blood culturing followed by subculture on agar plates for subsequent identification, is too slow leading to excessive use of broad-spectrum antibiotic with harmful consequences for the patient and, in the long run, the public health. The aim of the present study was to assess the performance of two commercial assays, QuickFISH® (OpGen) and Maldi Sepsityper™ (Bruker Daltonics) for early and accurate identification of microorganisms directly from positive blood cultures.Materials and methods: During two substudies of positive blood cultures, the two commercial assays were assessed against the routine method used at the clinical microbiology laboratory, Unilabs AB, at Skaraborg Hospital, Sweden.Results: The Maldi Sepsityper™ assay enabled earlier microorganism identification. Using the cut-off for definite species identification according to the reference method (>2.0), sufficiently accurate species identification was achieved, but only among Gram-negative bacteria. The QuickFISH®assay was time-saving and showed high concordance with the reference method, 94.8% (95% CI 88.4–98.3), when the causative agent was covered by the QuickFISH® assay.Conclusions: The use of the commercial assays may shorten the time to identification of causative agents in bloodstream infections and can be a good complement to the current clinical routine diagnostics. Nevertheless, the performance of the commercial assays is considerably affected by the characteristics of the causative agents.
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| 6. |
- Eriksson, Kaja, et al.
(författare)
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Periodontal Health and Oral Microbiota in Patients with Rheumatoid Arthritis
- 2019
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Ingår i: Journal of Clinical Medicine. - : MDPI AG. - 2077-0383. ; 8:5
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Tidskriftsartikel (refereegranskat)abstract
- This study aimed to investigate the periodontal health of patients with established rheumatoid arthritis (RA) in relation to oral microbiota, systemic and oral inflammatory mediators, and RA disease activity. Forty patients underwent full-mouth dental/periodontal and rheumatological examination, including collection of blood, saliva, gingival crevicular fluid (GCF) and subgingival plaque. Composition of plaque and saliva microbiota were analysed using 16S rRNA sequencing and levels of inflammatory mediators by multiplex-immunoassay. The majority of the patients (75%) had moderate or severe periodontitis and the rest had no/mild periodontitis. Anti-citrullinated protein antibody (ACPA) positivity was significantly more frequent in the moderate/severe periodontitis (86%) compared to the no/mild group (50%). No significance between groups was observed for RA disease duration or activity, or type of medication. Levels of sCD30/TNFRSF8, IFN-2, IL-19, IL-26, MMP-1, gp130/sIL-6R ss, and sTNF-R1 were significantly higher in serum or GCF, and April/TNFSF13 was significantly higher in serum and saliva samples in moderate/severe periodontitis. The microbial composition in plaque also differed significantly between the two groups. In conclusion, the majority of RA patients had moderate/severe periodontitis and that this severe form of the disease was significantly associated with ACPA positivity, an altered subgingival microbial profile, and increased levels of systemic and oral inflammatory mediators.
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| 8. |
- Högfeldt, Anna-Karin, et al.
(författare)
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Pedagogisk meritering på KTH - Samarbete, excellens och utbildningsinnovation
- 2019
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Ingår i: Bidrag från 7:e Utvecklingskonferensen för Sveriges ingenjörsutbildningar. - Luleå : Luleå University of Technology. ; , s. 76-81
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Konferensbidrag (refereegranskat)abstract
- Detta bidrag beskriver och analyserar förberedelsefasen inför implementeringen av ett högskolepedagogiskt excellensprogram vid Kungliga Tekniska Högskolan, KTH. Programmet syftar till att ytterligare stärka värdet av pedagogiska meriter och samtidigt bidra till lärosätets fortsatta och fördjupade utveckling av utbildningarna och organisationen. De tydligaste riskerna som har identifierats med befintliga pedagogiska meriteringsmodeller är att de kan skapa ett A- och B-lag (mellan en karriär som forskare och en karriär som lärare). Dessutom är det ofta oklart hur personer som har utnämnts till excellenta lärare ska kunna bidra till organisationens och utbildningens utveckling ur ett kortsiktigt såväl som ett långsiktigt perspektiv. En tydlig svaghet med befintliga pedagogiska meriteringsmodeller är att de inte explicit nog ger emfas till aktivt och relevant utvecklingsarbete, utan fokuserar på egenhändigt skrivna pedagogiska portföljer som sällan är framtidsinriktade. KTH:s högskolepedagogiska excellensprogram siktar på att försöka möta dessa risker och svagheter. KTH har, alltjämt sedan det nationella obligatoriet om 15 hp Högskolepedagogik infördes, kvarhållit detta obligatorium. Stora satsningar har gjorts på den högskolepedagogiska verksamheten. Ett gediget utbud av fortbildningsmöjligheter samt arenor för nätverkande har utvecklats. Samtidigt råder svagheter i systemet gällande prövande och tillvaratagande av pedagogisk skicklighet, och det är tydligt att KTH behöver ytterligare utveckling i området. Författarna menar också att i och med att de utmaningar vi står inför gällande pedagogisk meritering ser relativt lika ut vid landets lärosäten, bör ett stärkt nationellt samarbete och nätverkande inom landets ingenjörsutbildningar främjas inom området. Artikelförfattarna representerar KTH:s övergripande ledning, utbildningsledning samt ledningen för den högskolepedagogiska verksamheten.
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| 9. |
- Kanatsuna, N, et al.
(författare)
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Doubly reactive INS-IGF2 autoantibodies in children with newly diagnosed autoimmune (type 1) diabetes
- 2015
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Ingår i: Scandinavian Journal of Immunology. - : Wiley-Blackwell. - 0300-9475 .- 1365-3083. ; 82:4, s. 361-369
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Tidskriftsartikel (refereegranskat)abstract
- The splice variant INS-IGF2 entails the preproinsulin signal peptide, the insulin B-chain, eight amino acids of the C-peptide and 138 unique amino acids from an ORF in the IGF2 gene. The aim of this study was to determine whether levels of specific INS-IGF2 autoantibodies (INS-IGF2A) were related to age at diagnosis, islet autoantibodies, HLA-DQ or both, in patients and controls with newly diagnosed type 1 diabetes. Patients (n = 676), 0-18 years of age, diagnosed with type 1 diabetes in 1996-2005 and controls (n = 363) were analysed for specific INS-IGF2A after displacement with both cold insulin and INS-IGF2 to correct for non-specific binding and identify double reactive sera. GADA, IA-2A, IAA, ICA, ZnT8RA, ZnT8WA, ZnT8QA and HLA-DQ genotypes were also determined. The median level of specific INS-IGF2A was higher in patients than in controls (P < 0.001). Irrespective of age at diagnosis, 19% (126/676) of the patients had INS-IGF2A when the cut-off was the 95th percentile of the controls (P < 0.001). The risk of INS-IGF2A was increased among HLA-DQ2/8 (OR = 1.509; 95th CI 1.011, 2.252; P = 0.045) but not in 2/2, 2/X, 8/8, 8/X or X/X (X is neither 2 nor 8) patients. The association with HLA-DQ2/8 suggests that this autoantigen may be presented on HLA-DQ trans-heterodimers, rather than cis-heterodimers. Autoantibodies reactive with both insulin and INS-IGF2A at diagnosis support the notion that INS-IGF2 autoimmunity contributes to type 1 diabetes.
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| 10. |
- Najm, Svetlana, et al.
(författare)
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Effects of a lipid emulsion containing fish oil on polyunsaturated fatty acid profiles, growth and morbidities in extremely premature infants: A randomized controlled trial
- 2017
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Ingår i: Clinical Nutrition ESPEN. - : Elsevier BV. - 2405-4577. ; 20, s. 17-23
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Tidskriftsartikel (refereegranskat)abstract
- © 2017 The Authors Background & aims The purpose of the study was to compare the effects of the parenteral emulsion SMOFlipid ® , with 15% fish oil, with Clinoleic ® on retinopathy of prematurity (ROP) and other morbidities and growth, and to compare their impact on longitudinal serum levels of fatty acids. Retinopathy of prematurity, other morbidity and growth were correlated with each parenteral lipid supplement. Methods Ninety infants born at gestational age < 28 weeks were randomized to treatment with SMOFlipid ® or Clinoleic ® . Two thirds (66%) of the infants received parenteral nutrition for up to 14 days birth (median 8, range 2–14 days), and additional 25% of the infants received for up to 28 days after birth (median 21, range 15–28 days). Cord blood samples and then venous blood samples were obtained at ages 1, 7, 14, and 28 days and at postmenstrual age (PMA) 32, 36, and 40 weeks. Breastmilk was collected at postnatal day 7, and at PMA 32 and 40 weeks. Serum phospholipid and breastmilk total fatty acids were analyzed by gas chromatography–mass spectrometry. Treatment groups were compared with regard to ROP, bronchopulmonary dysplasia, necrotizing enterocolitis, patent ductus arteriosus sepsis and growth between birth and 36 weeks. Results Infants on SMOFlipid ® had higher fractions of omega-3 LCPUFA eicosapentaenoic acid (EPA) and slightly higher omega-3 LCPUFA docosahexaenoic acid (DHA) fraction and a decreased arachidonic acid (AA) to DHA ratio from one week after birth up to 32 postmenstrual weeks compared to infants on Clinoleic ® . Treatment groups did not differ in morbidities or growth. Conclusion Supplementation with SMOFlipid ® containing 15% fish oil during parenteral nutrition increased EPA substantially, DHA marginally, reduced AA and decreased AA to DHA ratio. It did not reduce morbidity or affect growth. Since extremely preterm infants accumulate a large deficit of DHA and AA, studies on more prolonged or different levels of DHA and AA supplementation are warranted.
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| 11. |
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| 12. |
- Sonesson, Ulf, et al.
(författare)
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Paths to a sustainable food sector: integrated design and LCA of future food supply chains : the case of pork production in Sweden
- 2016
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Ingår i: The International Journal of Life Cycle Assessment. - : Springer Ferlag. - 0948-3349 .- 1614-7502. ; 21:5, s. 664-676
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: To describe a more sustainable food sector, a supply chain approach is needed. Changing a supply chain inevitably means that various attributes of the product and its system will change. This project assumed this challenge and delivered detailed descriptions, life cycle assessment (LCA) evaluations, and consequence assessments of the supply chains of six commodities, i.e., milk, cheese, beef, pork, chicken, and bread, from a Swedish region. This paper presents results for the pork supply chain. Methods: In the project setup, experts on production along supply chains designed three scenarios for environmentally improved systems. These scenarios, i.e., the ecosystem, plant nutrients, and climate scenarios, were intended to address different clusters of environmental goals. The next step was to challenge these scenarios by considering their possible consequences for products and systems from the food safety, sensory quality, animal welfare, consumer appreciation, and (for primary production only) cost perspectives. This led to changes in production system design to prevent negative consequences. The final supply chains were quantified using LCA and were again assessed from the three perspectives. Results and discussion: The scenario design approach worked well, thoroughly and credibly describing the production systems. Assessment of consequences bolstered the credibility and quality of the systems and results. The LCA of pig production and smoked ham identified large potentials for improvement by implementing available knowledge: global warming potential (GWP) could be reduced 21–54 % and marine eutrophication by 14–45 %. The main reason for these improvements was improved productivity (approaching the best producers’ current performance), though dedicated measures were also important, resulting in increased nitrogen efficiency, more varied crop rotations for crop production and better production management, and improved animal health and manure management for animal production. Reduced post-farm wastage contributed as did reduced emissions from fertilizer production. Conclusions: The working approach applied was successful in integrating LCA research with food system production expertise to deliver results relevant to supply chain decision-makers. The consequence assessments brought considerable value to the project, giving its results greater credibility. By introducing constraints in the form of “no negative consequences and no increased costs,” the work was “guided” so that the scenario design avoided being hampered by too many opportunities.
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| 13. |
- Sylvan, Sandra Eketorp, et al.
(författare)
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First-line therapy in chronic lymphocytic leukemia : a Swedish nation-wide real-world study on 1053 consecutive patients treated between 2007 and 2013
- 2019
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Ingår i: Haematologica. - : FERRATA STORTI FOUNDATION. - 0390-6078 .- 1592-8721. ; 104:4, s. 797-805
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Tidskriftsartikel (refereegranskat)abstract
- The aim of this study was to investigate long-term outcome following first-line therapy in consecutive chronic lymphocytic leukemia (CLL) patients in a well-defined geographic area: Sweden. All patients diagnosed with CLL (2007-2013) (n=3672) were identified from national registries, screening of patient files identified all (100%) treated first line (n=1053) and for those, an in-depth analysis was performed. End points were overall response rate, progression-free survival (PFS), overall survival (OS), and safety. Median age was 71 years; 53% had Rai stage III-IV and 97% had performance status grade 0-2. Fluorescence in situ hybridization (FISH) was performed in 57% of patients: 15% had del(17p). Chlorambucil + prednisone was used in 39% (5% also received rituximab). Fludarabine+cyclophosphamide+rituximab or fludarabine+cyclophosphamide was used in 43% and bendamustine + rituximab in 6%. Overall response rate was 64%; chlorambucil 43%, fludarabine+cyclophosphamide+rituximab 84%, fludarabine+cyclophosphamide 75% and bendamustine + rituximab 75%. Median PFS and OS was 24 and 58 months, respectively, both were significantly associated (multivariate analysis) with type of treatment, del(17p), performance status, gender, age and geographical region (OS only). Chlorambucil-treated patients had a median PFS and OS of only 9 and 33 months, respectively. Chlorambucil usage declined gradually throughout the study period, but one-third of patients still received chlorambucil + rituximab in 2013. Infections >= grade III were significantly associated with treatment; chlorambucil 19% versus fludarabine+cyclophosphamide+rituximab 30%. Richter transformation occurred in 5.5% of the patients, equally distributed across therapies. This is the largest retrospective, real-world cohort of consecutive first-line treated CLL patients with a complete follow up. In elderly patients, an unmet need for more effective, well-tolerated therapies was identified.
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| 15. |
- Winqvist, Maria, et al.
(författare)
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Real-world results of ibrutinib in patients with relapsed or refractory chronic lymphocytic leukemia: data from 95 consecutive patients treated in a compassionate use program. A study from the Swedish Chronic Lymphocytic Leukemia Group
- 2016
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Ingår i: Haematologica. - : FERRATA STORTI FOUNDATION. - 0390-6078 .- 1592-8721. ; 101:12, s. 1573-1580
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Tidskriftsartikel (refereegranskat)abstract
- Ibrutinib, a Brutons tyrosine kinase inhibitor is approved for relapsed/refractory and del(17p)/TP53 mutated chronic lymphocytic leukemia. Discrepancies between clinical trials and routine healthcare are commonly observed in oncology. Herein we report real-world results for 95 poor prognosis Swedish patients treated with ibrutinib in a compassionate use program. Ninety-five consecutive patients (93 chronic lymphocytic leukemia, 2 small lymphocytic leukemia) were included in the study between May 2014 and May 2015. The median age was 69 years. 63% had del(17p)/TP53 mutation, 65% had Rai stage III/IV, 28% had lymphadenopathy amp;gt;= 10cm. Patients received ibrutinib 420 mg once daily until progression. At a median follow-up of 10.2 months, the overall response rate was 84% (consistent among subgroups) and 77% remained progression-free. Progression-free survival and overall survival were significantly shorter in patients with del(17p)/TP53 mutation (P=0.017 and P=0.027, log-rank test); no other factor was significant in Cox proportional regression hazards model. Ibrutinib was well tolerated. Hematomas occurred in 46% of patients without any major bleeding. Seven patients had Richters transformation. This real-world analysis on consecutive chronic lymphocytic leukemia patients from a well-defined geographical region shows the efficacy and safety of ibrutinib to be similar to that of pivotal trials. Yet, del(17p)/TP53 mutation remains a therapeutic challenge. Since not more than half of our patients would have qualified for the pivotal ibrutinib trial (RESONATE), our study emphasizes that real-world results should be carefully considered in future with regards to new agents and new indications in chronic lymphocytic leukemia.
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| 16. |
- Ågerstrand, Marlene, et al.
(författare)
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A call for action : Improve reporting of research studies to increase the scientific basis for regulatory decision-making
- 2018
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Ingår i: Journal of Applied Toxicology. - : Wiley. - 0260-437X .- 1099-1263. ; 38:5, s. 783-785
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Tidskriftsartikel (refereegranskat)abstract
- This is a call for action to scientific journals to introduce reporting requirements for toxicity and ecotoxicity studies. Such reporting requirements will support the use of peer-reviewed research studies in regulatory decision-making. Moreover, this could improve the reliability and reproducibility of published studies in general and make better use of the resources spent in research.
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| 19. |
- Andersson, Anna Karin
(författare)
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Everyday functioning in six year-old children born preterm : From a child perspective towards the child's perspective
- 2017
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The overall aim of the thesis was to explore everyday functioning in six year-old children born preterm, from the children’s perspectives and from their parents’ perspectives. The relation between everyday functioning and neonatal risk factors, behavioural characteristics was studied with descriptive and correlational statistics, ANOVA and multiple linear regression (I). Patterns of everyday functioning were explored in a cluster analysis following a person-oriented approach (II). In a mixed method approach, the children’s and their parents’ perceptions on children’s competence in everyday activities were explored with a pictorial instrument and analysed with descriptive statistics and qualitative content analysis (III). The children’s perceptions of meaningful everyday life situations were explored in a photo voice study, analysed with qualitative content analysis. In total, 144 children born preterm and 222 children born at term and their parents were involved.The results indicated that from the parents’ perspective most children born preterm and full-term were perceived with strong everyday functioning featuring strong motor, process and communication skills, a positive interaction pattern and low levels of behaviour problems. As a group, the children born very preterm were perceived weaker in their everyday functioning than the full-term group but the pattern of performance skills, interaction and behaviour varied similar to that of children born full-term. Further, it was found that preterm birth was not the main predictor, instead hyperactivity had most influence on everyday functioning. Moreover, the children born preterm perceived themselves to be overall strong performers of everyday activities. They wanted to be active and do things and for that they wanted to have skills and significant others i.e. siblings, parents, friends and pets to interact with and to feel safe and loved. Further, the children born preterm expressed a will to develop, improve and gain new skills and to have more opportunities to do meaningful things.In conclusion, the results in this thesis indicate that young children born preterm are able to reflect on their everyday functioning, and express needs and desires for their participation in meaningful everyday life situations. Moreover, preterm birth is not the sole predictor of everyday functioning more critical is the interaction of individual, behavioural and contextual factors.
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| 20. |
- Andersson, Anna Karin, et al.
(författare)
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Patterns of everyday functioning in preschool children born preterm and at term
- 2017
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Ingår i: Research in Developmental Disabilities. - : Elsevier BV. - 0891-4222 .- 1873-3379. ; 67, s. 82-93
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Tidskriftsartikel (refereegranskat)abstract
- Background/Aim: Children born preterm are at risk of neonatal complications but the long-term consequences for everyday functioning is not well known. The study aimed to identify patterns of everyday functioning in preschool children born preterm and at term in relation to perinatal data, neonatal risk factors, behaviour, and socioeconomic status. Registry data and data from parent rated questionnaires were collected for 331 children.Method: A person-oriented approach with a cluster analysis was used.Results: A seven cluster solution explained 65.91% of the variance. Most children (n = 232) showed patterns of strong everyday functioning. A minority of the children (n = 99), showed diverse patterns of weak everyday functioning. Perinatal characteristics, neonatal risk factors and socio-economics did not predict cluster group membership. Children born preterm were represented in all clusters.Conclusion, implications: Most preschool children are perceived by their parents with strong everyday functioning despite being born preterm. However small groups of children are, for various reasons, perceived with weak functioning, but preterm birth is not the sole contributor to patterns of weak everyday functioning. More critical for all children's everyday functioning is probably the interaction between individual factors, behavioural factors and contextual factors. To gain a broader understanding of children's everyday functioning. Child Health Services need to systematically consider aspects of body function, activity and in addition participation and environmental aspects.
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| 21. |
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| 22. |
- Andersson, Camilla, et al.
(författare)
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Materializing “Ruling Relations” : A Case of Gender, Power and Elder Care in Sweden
- 2017
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Konferensbidrag (refereegranskat)abstract
- This paper reflects upon our critical (feminist) design research approach developed in response to the Swedish Governmental Agency for Innovation Systems (Vinnova)’s innovation program on equality. As a pilot of the program, the subject of our research is equality within elder care work, a female-dominated employment sector with particular gender and power dynamics. We have responded to this program and sector by rethinking our research methodologies and critical design research method. Inspired by institutional ethnography and the concept of ‘ruling relations’, our research approach involves critical design to materialize structural inequalities manifested within the everyday micro-practices of care work. Stories and sketches (as ‘material theses’) were generated through qualitative fieldwork involving ‘research through design’ processes to observe, document, explore, interpret, discuss and communicate gendered practices of elder care. Three themes emerged along the way, which articulate ruling relations revealed within elder care work. This research case is reported here along with reflections about the potentials of critical design as a (feminist) research approach capable of more critically interrogating power and positionality within design and innovation. From our perspective, equality as a policy and subject of research – including design research – calls for critical (and feminist) theoretical and methodological development.
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| 23. |
- Andersson, Erik, 1979-, et al.
(författare)
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Kollegialt Lärande i Örebros Skolor – KLÖS-projektet : Hur kan lärares kollegiala lärprocesser stödjas i syfte att skapa hållbara strukturer för utvecklingsarbete?
- 2019
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Projektet KLÖS har undersökt hur lärares kollegiala lärprocesser kan stödjas i syfte att skapa hållbara strukturer för utvecklingsarbete. Målet var att skapa en Örebromodell för kollegialt lärande. En avslutande reflektion kring resultatet är att etableringen av denna modell kräver ett omfattande engagemang och tar tid att få på plats. Det är vår uppfattning att ett flertal aspekter återstår att undersöka. Bland annat är det intressant att undersöka hur arbetet med det kollegiala lärandet fortskrider på pilotskolan. Frågor som är intressanta är: Vilka faktorer har betydelse för att arbetet med kollegialt lärande ska bli permanent och fungera som ett naturligt sätt att arbeta med utveckling av praktiken? Vad blir resultatet av de utvecklingsomgångar som genomförts? Hur följs detta resultat upp och leder det till bestående gynnsamma förändringar? Frågorna handlar om hållbarhet och därmed om hur projektet går från att vara ett projekt som avslutas och glöms bort till att bli ett levande verktyg för utvecklingsarbete som kan göra en verklig skillnad i och för praktiken över tid. Eftersom mycket tid och resurser används till utvecklingsarbete i skolan är det viktigt att det arbete som görs verkligen leder till en konkret och för verksamheten gynnsam förändring. Det innebär att frågan om utvecklings- arbetets hållbarhet är en av de viktigaste frågorna. Det verktyg som utvecklats i projektet och som kommit att symbolisera det kollegiala arbetet på pilotskolan är KLÖS-hjulet. Frågan om hur KLÖS-hjulet 2.0 kan utvecklas och anpassas så att det verkligen blir ett flexibelt och användbart verktyg för att stötta det kollegiala lärandet är kanske den alla viktigaste konkreta frågan. Frågor som är besläktade med frågan om hållbarhet är de som syftar till att undersöka hur det kollegiala lärandet kan bli mer robust. Till dessa hör frågor om hur lärledarens roll kan förstärkas, hur verktyg som stöttar lärares observation och analys av den egna verksamheten kan designas, hur ansvar och engagemang på alla nivåer kan förstärkas och bli synligt samt hur arbetet med kollegialt lärande kan utvärderas. Vi har under projektets gång sett hur lärare behöver stöd i arbetet med att systematiskt identifiera behov i verksamheten för att sedan utforska möjligheter att utveckla och förändra praktiken. Medverkan från forskare som ställt frågor, problematiserat och belyst olika perspektiv har i flera fall varit avgörande för hur ett utvecklingsbehov har identifierats, avgränsats och formulerats som en undersökningsbar fråga. Det är av avgörande betydelse att utvecklingsarbetet inte står och faller med denna medverkan. Verksamheten måste själv ta fram strukturer för hur lärare och lärledare får ett tillfredsställande stöd i sitt utvecklingsarbete så att de har möjlighet att göra kollegialt lärande till en naturlig del av sitt arbete där de känner sig så bekanta med KLÖS-hjulet att de själva kan ställa de frågor som krävs. Således behöver många funktioner, både centralt och lokalt samverka för att vidareutveckla och stötta kollegialt lärande för att utveckla undervisningen i Örebro skolor.
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| 24. |
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| 25. |
- Andersson, Karin, 1972, et al.
(författare)
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Inflammation in the hippocampus affects IGF1 receptor signaling and contributes to neurological sequelae in rheumatoid arthritis.
- 2018
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Ingår i: Proceedings of the National Academy of Sciences of the United States of America. - : Proceedings of the National Academy of Sciences. - 1091-6490. ; 115:51
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Tidskriftsartikel (refereegranskat)abstract
- Rheumatoid arthritis (RA) is an inflammatory joint disease with a neurological component including depression, cognitive deficits, and pain, which substantially affect patients' quality of daily life. Insulin-like growth factor 1 receptor (IGF1R) signaling is one of the factors in RA pathogenesis as well as a known regulator of adult neurogenesis. The purpose of this study was to investigate the association between IGF1R signaling and the neurological symptoms in RA. In experimental RA, we demonstrated that arthritis induced enrichment of IBA1+ microglia in the hippocampus. This coincided with inhibitory phosphorylation of insulin receptor substrate 1 (IRS1) and up-regulation of IGF1R in the pyramidal cell layer of the cornus ammoni and in the dentate gyrus, reproducing the molecular features of the IGF1/insulin resistance. The aberrant IGF1R signaling was associated with reduced hippocampal neurogenesis, smaller hippocampus, and increased immobility of RA mice. Inhibition of IGF1R in experimental RA led to a reduction of IRS1 inhibition and partial improvement of neurogenesis. Evaluation of physical functioning and brain imaging in RA patients revealed that enhanced functional disability is linked with smaller hippocampus volume and aberrant IGF1R/IRS1 signaling. These results point to abnormal IGF1R signaling in the brain as a mediator of neurological sequelae in RA and provide support for the potentially reversible nature of hippocampal changes.
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