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Sökning: WFRF:(Nilsson Mats) > Örebro universitet

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1.
  • Björk, Robert G., 1974, et al. (författare)
  • Contrasting effects of wood ash application on microbial community structure, biomass and processes in drained forested peatlands
  • 2010
  • Ingår i: FEMS Microbiology Ecology. - : Oxford University Press (OUP). - 1574-6941 .- 0168-6496. ; 73:3, s. 550-562
  • Tidskriftsartikel (refereegranskat)abstract
    • The effects of wood ash application on soil microbial processes were investigated in three drained forested peatlands, which differed in nutrient status and time since application. Measured variables included concentrations of soil elements and phospholipid fatty acids (PLFAs), net nitrogen mineralisation, nitrification and denitrification enzyme activity, potential methane oxidation, methane production and microbial respiration kinetics. Wood ash application had a considerable influence on soil element concentrations. This mirrored a decrease in the majority of the microbial biomarkers by more than one-third in the two oligotrophic peatlands, although microbial community composition was not altered. The decreases in PLFAs coincided with reduced net ammonification and net nitrogen mineralisation. Other measured variables did not change systematically as a result of wood ash application. No significant changes in microbial biomass or processes were found in the mesotrophic peatland, possibly because too little time (1 year) had elapsed since the wood ash application. This study suggests that oligotrophic peatlands can be substantially affected by wood ash for a period of at least four years after application. However, within 25 years of the wood ash application, the microbial biomass seemed to have recovered or adapted to enhanced element concentrations in the soil.
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  • Nilsson, Klara, et al. (författare)
  • Surgical Morbidity and Mortality From the Multicenter Randomized Controlled NeoRes II Trial : Standard Versus Prolonged Time to Surgery After Neoadjuvant Chemoradiotherapy for Esophageal Cancer.
  • 2020
  • Ingår i: Annals of Surgery. - : Lippincott Williams & Wilkins. - 0003-4932 .- 1528-1140. ; 272:5, s. 684-689
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To investigate if prolonged TTS after completed nCRT improves postoperative outcomes for esophageal and esophagogastric junction cancer.SUMMARY OF BACKGROUND DATA: TTS has traditionally been 4-6 weeks after completed nCRT. However, the optimal timing is not known.METHODS: A multicenter clinical trial was performed with randomized allocation of TTS of 4-6 or 10-12 weeks. The primary endpoint of this sub-study was overall postoperative complications defined as Clavien-Dindo grade II-V. Secondary endpoints included complication severity according to Clavien-Dindo grade IIIb-V, postoperative 90-day mortality, and length of hospital stay. The study was registered in Clinicaltrials.gov (NCT02415101).RESULTS: In total 249 patients were randomized. There were no significant differences between standard TTS and prolonged TTS with regard to overall incidence of complications Clavien-Dindo grade II-V (63.2% vs 72.6%, P = 0.134) or regarding Clavien-Dindo grade IIIb-V complications (31.6% vs 34.9%, P = 0.603). There were no statistically significant differences between standard and prolonged TTS regarding anastomotic leak (P = 0.596), conduit necrosis (P = 0.524), chyle leak (P = 0.427), pneumonia (P = 0.548), and respiratory failure (P = 0.723). In the standard TTS arm 5 patients (4.3%) died within 90 days of surgery, compared to 4 patients (3.8%) in the prolonged TTS arm (P = 1.0). Median length of hospital stay was 15 days in the standard TTS arm and 17 days in the prolonged TTS arm (P = 0.234).CONCLUSION: The timing of surgery after completed nCRT for carcinoma of the esophagus or esophagogastric junction, is not of major importance with regard to short-term postoperative outcomes.
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  • Arenhall, Eva, 1974-, et al. (författare)
  • Decreased sexual function in partners after patients’ first-time myocardial infarction
  • 2018
  • Ingår i: European Journal of Cardiovascular Nursing. - : Sage Publications. - 1474-5151 .- 1873-1953. ; 17:6, s. 521-526
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: A myocardial infarction event affects not only patients but also partners, although how it affects the partners’ sexual function is not studied.Aim: The purpose of this study was to describe and compare how partners experienced their sexual function one year before with one year after first-time myocardial infarction of their partner.Methods: A longitudinal and comparative design was used. Self-reported data on Watts Sexual Function Questionnaire was collected retrospectively at two occasions from 123 partners (87 women and 36 men), measuring the year prior to the first-time myocardial infarction and the year after. Data were analysed using descriptive and inferential statistics.Results: The total score for Watts Sexual Function Questionnaire showed a significant decrease over time. In all four subscales a decrease was found, which were statistically significant in three out of the four subscales (sexual desire, 19.39 vs 18.61; p<0.001, orgasm, 14.11 vs 13.64; p=0.027 and satisfaction, 12.61 vs 12.31; p=0.042). Twenty-six partners reported that their intercourse frequencies decreased over time, while six partners reported an increased intercourse frequency.Conclusions: Partners’ sexual function decreased after patients’ first-time myocardial infarction. It is important for health personnel to offer information and discussion about sexual function and concerns with both patients and partners after a first-time myocardial infarction.
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  • Bergens, Oscar, 1991- (författare)
  • Chronic Systemic Inflammation, Body Composition and Physical Activity Behaviours in Older Adults
  • 2022
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • Ageing is associated with a gradual physical decline accompanied by changes in body composition. The occurrence of a low-grade yet chronic state of systemic inflammation has gained interest for its potential consequences in the ageing process. Importantly, a physically active lifestyle may promote the maintenance of muscle mass, reduction in adipose tissue, and alleviate progression of a chronic pro-inflammatory state. The overall aim of this thesis was to explore relationships between biomarkers of systemic inflammation, body composition, and physical activity behaviours in community-dwelling older adults aged 65 to 70 years.A main finding of the thesis is the existence of associations between body composition and systemic inflammation in older adults, where excess adipose tissue is adversely associated with levels of inflammatory biomarkers in older women. Inverse associations were also observed between muscle mass and levels of pro-inflammatory biomarkers in older women. This thesis also highlights sex-specific associations between systemic inflammation and physical activity behaviours. Longer time spent sedentary was also associated with higher levels of proinflammatory biomarkers in older women and lower level of antiinflammatory biomarkers in older men. Reallocating time spent in activities of lower intensities with higher intensities was associated with lower levels of pro-inflammatory biomarkers in older women. Overall, the findings of this thesis support efforts promoting physical activity at the expense of sedentary time in order to combat age-related systemic inflammation and metabolic risk in older adults.
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7.
  • Berggren, Daniel Moreno, et al. (författare)
  • Prognostic scoring systems for myelodysplastic syndromes (MDS) in a population-based setting : a report from the Swedish MDS register
  • 2018
  • Ingår i: British Journal of Haematology. - : Wiley. - 0007-1048 .- 1365-2141. ; 181:5, s. 614-627
  • Tidskriftsartikel (refereegranskat)abstract
    • The myelodysplastic syndromes (MDS) have highly variable outcomes and prognostic scoring systems are important tools for risk assessment and to guide therapeutic decisions. However, few population-based studies have compared the value of the different scoring systems. With data from the nationwide Swedish population-based MDS register we validated the International Prognostic Scoring System (IPSS), revised IPSS (IPSS-R) and the World Health Organization (WHO) Classification-based Prognostic Scoring System (WPSS). We also present population-based data on incidence, clinical characteristics including detailed cytogenetics and outcome from the register. The study encompassed 1329 patients reported to the register between 2009 and 2013, 14% of these had therapy-related MDS (t-MDS). Based on the MDS register, the yearly crude incidence of MDS in Sweden was 2.9 per 100000 inhabitants. IPSS-R had a significantly better prognostic power than IPSS (P < 0001). There was a trend for better prognostic power of IPSS-R compared to WPSS (P=0.05) and for WPSS compared to IPSS (P=0.07). IPSS-R was superior to both IPSS and WPSS for patients aged <= 70years. Patients with t-MDS had a worse outcome compared to de novo MDS (d-MDS), however, the validity of the prognostic scoring systems was comparable for d-MDS and t-MDS. In conclusion, population-based studies are important to validate prognostic scores in a real-world' setting. In our nationwide cohort, the IPSS-R showed the best predictive power.
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  • Bohlin, Lars (författare)
  • Taxation of intermediate goods : a CGE analysis
  • 2010
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • This dissertation is concerned with tax rates for the use of commodities in general, and energy in particular. Computable General Equilibrium (CGE) models are used to analyze the normative question of whether the tax rate for intermediate use by firms should be the same as the tax rate for final consumption by households. To answer this question, a distinction needs to be made between fiscal taxes for the purpose of raising revenue for the government, and Pigovian taxes for the purpose of changing behaviour. Concerning fiscal taxes, firms should not pay taxes on their use of inputs if the tax rates in final consumption are at their optimal level. If the tax rate for households is above the optimal level, intermediate use in firms should be taxed in order to increase the price of other commodities and reduce the distortion of relative prices. Essay 1 ascertains what factors determine the optimal relation between the tax rate for final consumption by households and intermediate use by firms. Essay 2 analyses Swedish energy taxes from the perspective of reducing global emission of CO2. It is found that the welfare maximizing tax rates are equal for households and firms not participating in emission trading, while firms that participate in emission trading should have a zero tax rate. Essays 3 and 4 deal with methodological issues. Essay 3 derives a new method for estimation of symmetric input-output tables from supply and use tables. This method solves the problem of negative coefficients, makes it possible to use both the industry and commodity technology assumptions simultaneously and enables the commodity technology assumption to be used even when the number of commodities is larger than the number of industries. Essay 4 describes the model used in the first two essays. The price structure developed here makes it possible to take into account price differences between different purchasers other than differences in tax rates. This essay also makes a comparison between the Swedish implementation of this model and other Swedish CGE-models used to analyse climate policy and energy taxation.
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  • Bramhagen, Ann-Cathrine, et al. (författare)
  • Self-reported post-operative recovery in children : development of an instrument
  • 2016
  • Ingår i: Journal of Evaluation In Clinical Practice. - : Wiley-Blackwell. - 1356-1294 .- 1365-2753. ; 22:2, s. 180-188
  • Tidskriftsartikel (refereegranskat)abstract
    • Rationale, aims and objectives: According to the United Nations (1989) , hildren have the right to be heard and to have their opinions respected. Since post-operative recovery is an individual and subjective experience and patient-reported outcome measures are considered important, our aim was to develop and test an instrument to measure self-reported quality of recovery in children after surgical procedures.Methods: Development of the instrument Postoperative Recovery in Children (PRiC) was influenced by the Quality of Recovery-24, for use in adults. Eighteen children and nine professionals validated the items with respect to content and language. A photo question- naire was developed to determine whether the children’s participation would increase compared with the text questionnaire. The final instrument was distributed consecutively to 390 children, ages 4–12 years, who underwent tonsil surgery at four hospitals in Sweden.Results: A total o f238 children with a mean age of 6.5 years participated. According to the parents, 23% circled the answers themselves and 59% participated to a significant degree. However, there was no significant difference in participation between those who received a photo versus a text questionnaire. Psychometric tests of the instrument showed that Cronbach’s alpha for the total instrument was 0.83 and the item-total correlations for 22 of the items were ≥0.20.Conclusion: Our results support use of the PRiC instrument to assess and follow-up on children’s self-reported post-operative recovery after tonsil operation, both in clinical praxis as well in research. 
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