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Sökning: AMNE:(MEDICAL AND HEALTH SCIENCES Clinical Medicine) > Annan publikation

  • Resultat 1-10 av 1829
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  • Lind, Anne-Li, et al. (författare)
  • Affinity Proteomics Applied to Patient CSF Identifies Protein Profiles Associated with Neuropathic Pain and Fibromyalgia
  • Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
    • Objective: Today, there are no biological tests on which to base pain diagnoses, treatment choices or to understand the biological processes underlying and accompanying chronic pain for the individual pain patient. Relevant biological markers would greatly aid in diagnosis and treatment of patients with chronic pain. Our study aimed to find proteins in CSF associated with fibromyalgia and neuropathic pain, two common and poorly understood chronic pain conditions.Methods: We have performed CSF protein profiling of 55 proteins using a 100-plex antibody suspension bead array. We collected, analyzed and compared CSF samples from 25 patients with neuropathic pain (two independent sets, n=14 patients for discovery and n=11 for verification), 40 patients with fibromyalgia and 135 controls without neurological disease from two different populations.Results: We found significant differences in CSF protein levels between patients and controls (p<0.05). Among these proteins, Apolipoprotein C1 (APOC1) was found to be increased in CSF of neuropathic pain patients compared to controls and there was a non-significant trend for increased levels also in fibromyalgia patient CSF. Ectonucleotide pyrophosphatase (ENPP2, Autotaxin) was increased in the CSF of fibromyalgia patients compared to all other groups including neuropathic pain patients.  Multivariate analysis revealed partially overlapping and partially distinct CSF profiles in neuropathic pain patients compared with fibromyalgia and controls for several other proteins including angiotensinogen (AGT), prostaglandin-H2 D-isomerase (PTGDS), neurexin-1 (NRXN1), superoxide dismutase 1 (SOD1) and superoxide dismutase 3 (SOD3).Conclusions: Our results, suggest that the CSF protein profiles of neuropathic pain and fibromyalgia patients may be different from each other and from those of controls. CSF levels of APOC1, ENPP2, AGT, PTGDS, NRXN1, SOD1 and SOD3 should be further investigated for their potential to serve as biomarkers of different kinds of pain pathophysiology.
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  • Rydén, Petra, 1972-, et al. (författare)
  • What happens with the healthiness of the diet among Swedish adolescent  boys and girls when a gluten-free diet is required?
  • Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
    • Objectives To explore how diagnosis of celiac disease (CD) in early adolescence affects overall food intake and healthiness of the diet in comparison with age- and sex matched controls and children with CD diagnosed in early childhood. Methods This is a longitudinal dietary sub-study of a school-based CD-screening of 12-year-olds (ETICS - Exploring the Iceberg of Coeliacs in Sweden), a part of the PreventCD project. The dietary study was conducted in 2005-2008 and included the following groups resulting from the screening: I) screening-detected CD cases (n=80), II) previously diagnosed CD cases (n=28), and III) two samples of age- and sex matched non-CD children (admission, n=619; follow-up, n=447). All CD cases completed two food-frequency-and-amount-questionnaires (FFQ), covering the previous four weeks; one at admission and one at a follow-up 18-24 months later. The screening-detected CD cases completed the first FFQ before a gluten free diet was initiated. The non-CD children consisted of a cross-sectional sample at each time point, and thus only completed one FFQ each (i.e. either at admission or follow-up). The Goldberg cut-off method was used to validate reported energy intake. The food choices at admission and follow-up were compared among the three groups, and the healthiness of the diet evaluated using two Swedish dietary indexes. Results and Conclusion Intakes of most food groups were similar at baseline. The adolescents diagnosed with CD did only minor changes in their overall food choices. Visible changes were reductions within food groups where gluten-free alternatives are not readily available, such as pastries and pizza. In contrast, total intake of bread and pasta did not change. All three groups scored fairly low on the dietary indexes at both time points, and there is an obvious need to improve the healthiness of the adolescent diet, whether CD is present or not.
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  • Krakau, Karolina, 1968-, et al. (författare)
  • Energy balance and metabolism after severe traumatic brain injury : A pilot study using doubly labelled water
  • Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
    • Objective: To explore the course of energy balance in patients with severe traumatic brain injury, from time of injury until twelve weeks post injury. Method: This prospective desriptive study included six patients with isolated, closed severe traumatic brain injury and an expected hospital stay of ≥2-3 months. Energy balance was calculated from energy intake compared to total energy expenditure measured by continuous indirect calorimetry and doubly labelled water. Clinical and laboratory variables with possible influence on metabolism and nutritional delivery were recorded simultaneously. Intermittent indirect calorimetry measurements were used to differentiate components of the energy expended. Results: Patients were roughly in energy balance while on mechanical ventilation, but in negative energy balance from the 3rd week post injury. The total energy expenditure then increased while the daily energy intake declined. Concurrent with this period were difficulties in retaining enteral and/or parenteral nutrition delivery routes until oral feeding was satisfactory. Nitrogen balance was back to normal at about 1.5 months and the inflammatory period with increased C-reactive protein levels continued for 12 to 58 days from time of injury. During the first and second month post injury, patients lost 8-19% of their initial body weight. Conclusion: Data suggests that negative energy balance after a severe TBI could not only be explained by the elevated metabolic rate and catabolism induced by the trauma, but also by difficulties in securing alternative nutritional routes in the distressed patient.
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  • Elfström, Peter, 1974-, et al. (författare)
  • Hematopoietic cancer including lymphoma in celiac disease according to Marsh criteria 0-3
  • Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
    • Background: Celiac disease (CD) is associated with an increased risk of lymphoma, but it is unknown if borderline mucosal damage and latent CD are risk factors for lymphoma.Methods: We examined the risk of hematopoietic cancer in a nationwide population–based cohort of 28,800 individuals with biopsy-verified CD (villous atrophy, Marsh 3), 12,663 individuals with small intestinal inflammation (Marsh 1+2), and 3,551 with latent CD (positive antiendomysial, tissue transglutaminase or antigliadin test but normal mucosa on biopsy). The study participants were identified through all pathology departments (n=28) in Sweden and were biopsied in 1969-2006 (median: 1998). Cox regression estimated the hazard ratio (HR) for hematopoietic malignancies.Results: While biopsy-verified CD and intestinal inflammation were both statistically significantly associated with lymphoma (CD: HR = 3.18; 95% CI = 2.63-3.83; inflammation: 1.66; 1.28-2.17), latent CD was not (1.04; 0.44-2.43). CD was associated with both non-Hodgkin’s (NHL) and Hodgkin’s lymphoma (HL) (4.81; 3.81-6.07 and 4.39; 2.59-7.45 respectively). Risk estimates for NHL and HL were lower in inflammation (1.65; 1.15-2.38 and 1.48; 0.60-3.62 respectively) and latent CD (1.79; 0.74-4.34 and 1.08; 0.13-9.00 respectively). No increased risk of lymphoma was seen in children with a small intestinal biopsy. This study found no association between leukemia and small intestinal pathology.Conclusion: CD is associated with an increased risk of lymphoma. This risk increase was also seen in individuals with small intestinal inflammation. Latent CD is not associated with lymphoma of any kind, and positive CD serology alone cannot be used to predict future risk of lymphoma.
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7.
  • Edvardsson, Bo, 1944- (författare)
  • Tankefel inom vardag, yrkesliv och politik
  • 2009
  • Annan publikation (populärvet., debatt m.m.)abstract
    • Syftet är att klargöra begreppet tankefel och att beskriva några vanliga exempel på tankefel. Tankefel har en omfattande förekomst och omfattande konsekvenser för enskilda och samhälle.
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8.
  • Krakau, Karolina, 1968-, et al. (författare)
  • Prediction of energy expenditure in patients with severe traumatic brain injury : A validation study by use of continuous indirect calorimetry and doubly labelled water
  • Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
    • Objective: The aim was to evaluate the accuracy of methods to predict energy expenditure (EE) in patients with severe traumatic brain injury (TBI). Method: To this prospective descriptive study, a small cohort of patients (n6) with isolated, severe TBI and an expected hospital stay of ≥2-3 months were included. The EE was measured at two intervals: by continuous indirect calorimetry during mechanical ventilation and by doubly labelled water from 3rd to 5th week post injury. Different equations for prediction of EE and a portable monitor, the SenseWear Armband were compared to the measured EE. Result: The majority of methods for predicting EE agreed poorly with the measured EE during indirect calorimetry period. A good agreement was found only with the three Penn-State equations, but two were biased according to Bland Altman analysis. The Penn-State equation from 1998 was the only valid predictive method, with a mean difference per day close to zero (+22 kcal), an excellent agreement (ICC 0.82) with 72% (n54/75) accurately assessed days (±10% of the measured EE) and with all patients within clinically acceptable levels, i.e. ±15% of the measured EE. During doubly labelled water period, observations were too few for any conclusive statement. Conclusion: These data support use of the Penn-State equation from 1998 to estimate EE in patients with severe TBI while on mechanical ventilation.
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  • Kaltsouni, Elisavet, et al. (författare)
  • Selective progesterone receptor modulation and brain activity at rest in patients with premenstrual dysphoric disorder
  • Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
    • Ovarian hormones have been indicated to impact brain connectivity and mood. However, there is no consistent evidence on hormone-dependent functional connectivity and mental health. Alterations in resting state networks have been suggested as markers of affective disorders, but only preliminary evidence is provided on premenstrual dysphoric disorder, in which symptoms occur upon fluctuations of ovarian hormones. Recently, three-month low-dose selective progesterone receptor modulator (SPRM) administration has been associated with symptom relief and altered task-based brain reactivity during a reactive aggression condition. The present study sought to investigate the effect of this treatment on resting state functional connectivity (rs-FC) in patients with PMDD. Seed-based analyses were conducted, including including seeds from the classic resting state networks along with the functional cluster affected by SPRM treatment. Within previously identified networks related with emotional processing, rs-FC was compared between individuals with PMDD during the symptomatic luteal phase before randomization to treatment or placebo and during the end of the last treatment cycle. Seed-based rs-FC analyses yielded significant treatment by time effects on rs-FC between the left posterior superior temporal gyrus and the right insula cortex, between the posterior cerebellum and the left temporal pole, and between the right lateral visual network and left superior frontal gyrus. Visuo-frontal luteal phase connectivity decreased for the SPRM group and was positively correlated with changes in mood symptom severity in the placebo group. Cerebellar and temporal connectivity increased for the SPRM treatment group, while temporo-insular connectivity decreased and was positively correlated with cortisol levels. These findings indicate that SPRM treatment influenced rs-FC, which could be a relevant mechanism behind symptom alleviation.
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