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Träfflista för sökning "WFRF:(Lindén Thomas 1962) "

Sökning: WFRF:(Lindén Thomas 1962)

  • Resultat 1-10 av 84
  • [1]234567...9Nästa
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1.
  • Muhl, L., et al. (författare)
  • Mobilization after thrombolysis (rtPA) within 24 hours of acute stroke: what factors influence inclusion of patients in A Very Early Rehabilitation Trial (AVERT)?
  • 2014
  • Ingår i: Bmc Neurology. - : BioMed Central. - 1471-2377. ; 14
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: A key treatment for acute ischaemic stroke is thrombolysis (rtPA). However, treatment is not devoid of side effects and patients are carefully selected. AVERT (A Very Early Rehabilitation Trial), a large, ongoing international phase III trial, tests whether starting out of bed activity within 24 hours of stroke onset improves outcome. Patients treated with rtPA can be recruited if the physician allows (447 included to date). This study aimed to identify factors that might influence the inclusion of rtPA treated patients in AVERT. Methods: Data from all patients thrombolysed at Austin Health, Australia, between September 2007 and December 2011 were retrospectively extracted from medical records. Factors of interest included: demographic and stroke characteristics, 24 hour clinical response to rtPA treatment, cerebral imaging and process factors (day and time of admission). Results: 211 patients received rtPA at Austin Health and 50 (24%) were recruited to AVERT (AVERT). Of the 161 patients not recruited, 105 (65%) were eligible, and could potentially have been included (pot-AVERT). There were no significant differences in demographics, Oxfordshire classification or stroke severity (NIHSS) on admission between groups. Size and localization of stroke on imaging and symptomatic intracerebral heamorrhage rate did not differ. Patients included in AVERT showed less change in NIHSS 24 hours post rtPA (median change = 1, IQR (-1,4)) than those in the pot-AVERT group (median change = 3, IQR (0,6)) by the median difference of 2 points (95% CI: 0.3; p = 0.03). A higher proportion of rtPA treated AVERT patients were admitted on weekdays (p = 0.04). Conclusion: Excluding a possible clinical instability, no significant clinical differences were identified between thrombolysed patients included in AVERT and those who were not. Over 500 AVERT patients will be treated with rtPA at trial end. These results suggest we may be able to generalize findings to other rtPA treated patients beyond the trial population.
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2.
  • Bunketorp Käll, Lina, 1975, et al. (författare)
  • Effects of a Curricular Physical Activity Intervention on Children's School Performance, Wellness, and Brain Development
  • 2015
  • Ingår i: Journal of School Health. - 0022-4391 .- 1746-1561. ; 85:10, s. 704-13
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Physical activity and structural differences in the hippocampus have been linked to educational outcome. We investigated whether a curriculum-based physical activity intervention correlates positively with children’s academic achievement, psychological well-being, health-related quality of life (HRQoL), fitness, and structural development of the brain. METHODS: The study had a quasi-experimental design and a control group. National test results were gathered from 545 students, 122 in the intervention school, and 423 in 3 control schools. HRQoL and socioemotional data were collected with child and proxy versions of KIDSCREEN and the Strength and Difficulties Questionnaire. Overall, 79 students in grades 5 and 6 were recruited for an in-depth study, consisting of a submaximal oxygen consumption test and magnetic resonance imaging of the brain. HRQoL and socioemotional data were collected from 349 students (65%), 182 (52%) in the intervention school, and 167 (48%) in one of the control schools. RESULTS: Girls attending the intervention school were more likely to pass national tests in Swedish (odds ratio 5.7) and Mathematics (odds ratio 3.2). The fourth to sixth graders in the intervention school reported lower levels of conduct problems (p < .05), and the girls were also less likely to report hyperactivity (p < .05). Girls reported higher levels of emotional problems (p < .05) than boys. Boys in the intervention group had significantly higher levels of estimated maximal oxygen uptake (p < .05) than controls. No difference in hippocampal structure was seen. CONCLUSIONS: Curriculum-based physical activity in school may improve the academic achievement and psychological health of children, particularly for girls.
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4.
  • Bunketorp Käll, Lina, 1975, et al. (författare)
  • The Impact of a Physical Activity Intervention Program on Academic Achievement in a Swedish Elementary School Setting
  • 2014
  • Ingår i: Journal of School Health. - 0022-4391. ; 84:8, s. 473-480
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Despite the emerging body of research on the potential of physical activity to improve learning and academic achievement, conclusive evidence regarding the effects of physical activity on academic achievement is lacking. The objective of this study was to determine the impact of a physical activity intervention program on academic performance. METHODS: A controlled cross-sectional design was used to investigate the hypothesis that the intervention program would increase the proportion of students in grade 5 who achieved the national learning goals in Swedish, mathematics, and English compared with 3 reference schools. Academic results from the years prior to and during the intervention program were analyzed. Logistic regression analyses assessed the odds of achieving the national learning goals when the intervention program was integrated into the elementary curricula. RESULTS: Higher proportions of students in the intervention school achieved the national goals in all 3 subjects compared with the reference schools after initiation of the intervention program. The odds for achieving the national learning goals in the intervention school increased 2-fold (p < .05), whereas these odds either did not change or decreased in the reference schools. CONCLUSION: Promoting physical activity in school by means of a curriculum-based intervention program may improve children's educational outcome.
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6.
  • Grahn, Anna, 1973, et al. (författare)
  • Cognitive impairment 3 years after neurological Varicella-zoster virus infection: a long-term case control study
  • 2013
  • Ingår i: Journal of Neurology. - 0340-5354. ; 260:11, s. 2761-2769
  • Tidskriftsartikel (refereegranskat)abstract
    • Varicella-zoster virus (VZV) is one of the most common viruses causing central nervous system (CNS) infection, sometimes with severe neurological complications and sequelae despite appropriate antiviral treatment. Whether the neurological sequelae of VZV CNS infections include long-term cognitive impairment and how this impairment might affect the patients is still largely unknown. In this study, 14 patients with predominant CNS manifestations caused by VZV infection underwent cognitive testing 3 years (median 39.5 months, range 31-52 months) after acute disease. The results were compared with those for 28 controls, matched for age and gender. The tests covered the cognitive domains of speed and attention, memory and learning, visuospatial function, language and executive function. To further assess the cognitive dysfunction caused by neurological VZV infection, patients were classified into the concept of mild cognitive impairment (MCI), which is associated with development of dementia in other pathologies. The VZV patients performed significantly worse than controls on four tests covering the domains of speed and attention, memory and learning and executive function. The cut-off was set at 1.5 SD below mean age. In addition, a greater proportion of VZV patients were classified with MCI as compared with controls. In conclusion, patients with previous VZV infection affecting the brain had signs of long-term cognitive impairment in the domains of speed and attention, memory and learning and executive function. However, larger study populations are needed to confirm these results.
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7.
  • Helldén, Anders, et al. (författare)
  • Death delusion. : Cotard's syndrome as an adverse drug reaction to (val-)aciclovir
  • 2007
  • Ingår i: BMJ (Clinical research ed.). - 1468-5833 .- 1756-1833. ; 335:7633
  • Tidskriftsartikel (refereegranskat)abstract
    • We report two cases of Cotard’s syndrome that occurred as an adverse drug reaction to aciclovir and its prodrug valaciclovir. In the 1880s Jules Cotard first described his eponymous syndrome, a rare psychiatric condition with strong delusions of being dead. Aciclovir or valaciclovir may cause neuropsychiatric side effects such as confusion, somnolence, and hallucinations, mainly in patients with impaired renal function. To our knowledge, Cotard’s syndrome has never been reported as a suspected adverse drug reaction but associated with severe somatic stress as well as general and localised cerebral pathologies. Our findings add adverse response to an antiviral drug as another cause and provide clues to the syndrome’s possible neuropsychiatric origin. Clinicians should be aware of the association between body scheme disturbances and (val)aciclovir. Affected patients with Cotard’s syndrome and renal failure should preferably be sent to the dialysis unit, not to the department of psychiatry.
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8.
  • Jerndal, Mikael, et al. (författare)
  • A systematic review and meta-analysis of erythropoietin in experimental stroke.
  • 2010
  • Ingår i: Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism. - 1559-7016. ; 30:5, s. 961-8
  • Forskningsöversikt (refereegranskat)abstract
    • Erythropoietin (EPO) has shown promise as a neuroprotectant in animal models of ischemic stroke. EPO is thought not only to protect neurons from cell death, but also to promote regeneration after stroke. Here, we report a systematic review and meta-analysis of the efficacy of EPO in animal models of focal cerebral ischemia. Primary outcomes were infarct size and neurobehavioral outcome. Nineteen studies involving 346 animals for infarct size and 425 animals for neurobehavioral outcome met our inclusion criteria. Erythropoietin improved infarct size by 30.0% (95% CI: 21.3 to 38.8) and neurobehavioral outcome by 39.8% (33.7 to 45.9). Studies that randomized to treatment group or that blinded assessment of outcome showed lower efficacy. Erythropoietin was tested in animals with hypertension in no studies reporting infarct size and in 7.5% of the animals reporting neurobehavioral outcome. These findings show efficacy for EPO in experimental stroke, but when the impact of common sources of bias are considered, this efficacy falls, suggesting we may be overestimating its potential benefit. As common human co-morbidities may reduce therapeutic efficacy, broader testing to delineate the range of circumstances in which EPO works best would be beneficial.
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9.
  • Jerndal, Mikael, et al. (författare)
  • Systematic review and meta-analysis of the efficacy of basic fibroblast growth factor in experimental stroke
  • 2009
  • Ingår i: European Stroke conference, Stockholm, Sweden May.
  • Konferensbidrag (refereegranskat)abstract
    • Background Basic fibroblast growth factor (bFGF) has been shown to have a potent trophic effect on brain neurons, glia and endothelial cells in both in vitro and in vivo studies and is a candidate drug for treatment of ischemic stroke. Any decision to proceed to clinical trials should be based on an unbiased assessment of all available animal data. This assessment should evaluate the efficacy of the drug as well as the characteristics and limits to that efficacy. We use a systematic approach to assess the evidence for protective effects of bFGF in animal models of focal cerebral ischemia. Methods We have performed a systematic review and meta-analysis of studies describing the efficacy of bFGF in animal models of focal cerebral ischemia where outcome was measured as infarct size or neurological score. Study quality was scored against a quality checklist and certain study characteristics were looked at individually. A random effects model was used and the significance level was set to p<0.001 to allow for multiple comparisons. Results Systematic review identified 21 publications of which 20 report infarct size from 520 animals and 10 report neurological score from 223 animals. bFGF reduced infarct size by 25.7% (95% confidence interval 21.7-29.8%) and improved neurological score by 28.1% (23.0-33.2%). Efficacy was higher with intra-arterial administration which showed a reduction of infarct size by 57.6% (33.8-81.3%, p=9.8E-07). Overall study quality was moderate with a median quality score of 6/11, interquartile range 5-7. Studies that performed blinded assessment of outcome showed lesser efficacy on infarct size reduction than those who did not blind, 20.2% (12.2-28.1) compared to 29.4% (26.7-32.1%, p=0.00073). The use of animals with associated comorbidities was rare, with only 4.4% aged animals and no animals with diabetes or hypertension. Aged animals showed lower effect size with only 4.7% reduction of infarct size (-9.0-18.3%, p=1.0E-05). Conclusion Our study shows that bFGF-1 has efficacy in experimental ischemic stroke. The effect of study quality and bias limits the strength of this conclusion. Further research is needed to test the efficacy in animals with associated co morbidities.
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10.
  • Lindén, Thomas, 1962, et al. (författare)
  • Bringing Enriched Environment to the Clinic
  • 2009
  • Ingår i: 20th Stroke Society of Australasia Scientific meeting, Cairns, september 2009.
  • Konferensbidrag (refereegranskat)
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  • [1]234567...9Nästa
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