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Sökning: hsv:(MEDICIN OCH HÄLSOVETENSKAP) hsv:(Klinisk medicin) hsv:(Reumatologi och inflammation) > Tidskriftsartikel

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1.
  • Kahn, Robin, et al. (författare)
  • Population-based study of multisystem inflammatory syndrome associated with COVID-19 found that 36% of children had persistent symptoms
  • 2022
  • Ingår i: Acta Paediatrica, International Journal of Paediatrics. - : Wiley. - 0803-5253 .- 1651-2227. ; 111:2, s. 354-62
  • Tidskriftsartikel (refereegranskat)abstract
    • Aim: Our aim was to describe the outcomes of multisystem inflammatory syndrome in children (MIS-C) associated with COVID-19. Methods: This national, population-based, longitudinal, multicentre study used Swedish data that were prospectively collected between 1 December 2020 and 31 May 2021. All patients met the World Health Organization criteria for MIS-C. The outcomes 2 and 8weeks after diagnosis are presented, and follow-up protocols are suggested. Results: We identified 152 cases, and 133 (87%) participated. When followed up 2weeks after MIS-C was diagnosed, 43% of the 119 patients had abnormal results, including complete blood cell counts, platelet counts, albumin levels, electrocardiograms and echocardiograms. After 8weeks, 36% of 89 had an abnormal patient history, but clinical findings were uncommon. Echocardiogram results were abnormal in 5% of 67, and the most common complaint was fatigue. Older children and those who received intensive care were more likely to report symptoms and have abnormal cardiac results. Conclusion: More than a third (36%) of the patients had persistent symptoms 8weeks after MIS-C, and 5% had abnormal echocardiograms. Older age and higher levels of initial care appeared to be risk factors. Structured follow-up visits are important after MIS-C.
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2.
  • Warkentin, Siegbert, et al. (författare)
  • rCBF pathology in Alzheimer's disease is associated with slow processing speed
  • 2008
  • Ingår i: Neuropsychologia. - : Elsevier BV. - 1873-3514 .- 0028-3932. ; 46:5, s. 1193-1200
  • Tidskriftsartikel (refereegranskat)abstract
    • Decreased information processing speed (mental slowing) is a known sequelae of many brain disorders, and can be assessed by continuous naming tasks. Functional imaging studies have shown that pause and articulation times in continuous speech are normally associated with different brain regions, but knowledge about such association in dementia is lacking. We therefore tested the hypothesis that perfusion deficits in Alzheimer's disease (AD) are not only associated with slower processing, but also with these speech measures. Using regional cerebral blood flow (rCBF) measurements during the performance of a continuous colour and form-naming task, we found that naming speed was substantially slower in AD patients than in controls. This slower naming was exclusively determined by an increase in mean pause time, and only to a limited extent by articulation time. The increased pause time was uniquely associated with temporo-parietal rCBF reductions of the patients, while articulation was not. By contrast, the rCBF of healthy elderly control subjects was consistently accompanied by substantially shorter articulation and pause times, although the naming measures were not statistically associated with rCBF. These findings suggest that pause time (in contrast to articulation time) may serve as a sensitive measure in the assessment of information processing speed deficits in dementia, by virtue of its close association with brain pathology. (C) 2007 Elsevier Ltd. All rights reserved.
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3.
  • Wirestam, Lina, 1986-, et al. (författare)
  • Osteopontin is associated with disease severity and antiphospholipid syndrome in well characterised Swedish cases of SLE
  • 2017
  • Ingår i: Lupus Science and Medicine. - : BMJ Publishing Group Ltd. - 2053-8790. ; 4:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective The variety of disease phenotypes among patients with SLE challenges the identification of new biomarkers reflecting disease activity and/or organ damage. Osteopontin (OPN) is an extracellular matrix protein with immunomodulating properties. Although raised levels have been reported, the pathogenic implications and clinical utility of OPN as a biomarker in SLE are far from clear. Thus, the aim of this study was to characterise OPN in SLE.Methods Sera from 240 well-characterised adult SLE cases classified according to the American College of Rheumatology (ACR) and/or the Systemic Lupus International Collaborating Clinics (SLICC) criteria, and 240 population-based controls were immunoassayed for OPN. The SLE Disease Activity Index 2000 (SLEDAI-2K) was used to evaluate disease activity and the SLICC/ACR Damage Index (SDI) to detect damage accrual.Results Serum OPN levels were in average raised fourfold in SLE cases compared with the controls (p<0.0001). OPN correlated with SLEDAI-2K, especially in patients with a disease duration of <12 months (r=0.666, p=0.028). OPN was highly associated with SDI (p<0.0001), especially in the renal (p<0.0001), cardiovascular (p<0.0001) and malignancy (p=0.012) domains. Finally, OPN associated with coherent antiphospholipid syndrome (APS; p=0.009), and both clinical and laboratory criteria of APS had significant positive impact on OPN levels.Conclusions In this cross-sectional study, circulating OPN correlates with disease activity in recent-onset SLE, reflects global organ damage and associates with APS. Longitudinal studies to dissect whether serum OPN also precedes and predicts future organ damage are most warranted.
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5.
  • Westman, Gabriel, 1977-, et al. (författare)
  • Cerebrospinal fluid biomarkers of brain injury, inflammation and synaptic autoimmunity predict long-term neurocognitive outcome in herpes simplex encephalitis.
  • 2021
  • Ingår i: Clinical Microbiology and Infection. - : Elsevier. - 1198-743X .- 1469-0691. ; 27:8, s. 1131-1136
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: The aim was to investigate the correlation between biomarkers of brain injury and long-term neurocognitive outcome, and the interplay with intrathecal inflammation and neuronal autoimmunity, in patients with herpes simplex encephalitis (HSE).METHODS: A total of 53 adult/adolescent HSE patients were included from a prospective cohort in a randomized placebo-controlled trial investigating the effect of a 3-month follow-up treatment with valaciclovir. Study subjects underwent repeated serum/cerebrospinal fluid (CSF) sampling and brain magnetic resonance imaging in the first 3 months along with cognitive assessment using the Mattis Dementia Rating Scale (MDRS) at 24 months. CSF samples were analysed for biomarkers of brain injury, inflammation and synaptic autoimmunity. The predefined primary analysis was the correlation between peak CSF neurofilament protein (NFL), a biomarker of neuronal damage, and MDRS at 24 months.RESULTS: Impaired cognitive performance significantly correlated with NFL levels (rho = -0.36, p = 0.020). Development of IgG anti-N-methyl-D-aspartate receptor (NDMAR) antibodies was associated with a broad and prolonged proinflammatory CSF response. In a linear regression model, lower MDRS at 24 months was associated with previous development of IgG anti-N-methyl-D-aspartate receptor (NMDAR) (beta = -0.6249, p = 0.024) and age (z-score beta = -0.2784, p = 0.024), but not CSF NFL, which however significantly correlated with subsequent NMDAR autoimmunization (p = 0.006).DISCUSSION: Our findings show that NFL levels are predictive of long-term neurocognitive outcome in HSE, and suggest a causative chain of events where brain tissue damage increases the risk of NMDAR autoimmunisation and subsequent prolongation of CSF inflammation. The data provides guidance for a future intervention study of immunosuppressive therapy administered in the recovery phase of HSE.
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6.
  • Mani, Zakaria, et al. (författare)
  • Global catastrophe of hospital disasters: a retrospective analysis (1976–2023)
  • 2024
  • Ingår i: Signa Vitae. - 1334-5605 .- 1845-206X.
  • Tidskriftsartikel (refereegranskat)abstract
    • Hospitals are critical infrastructures that must remain operational during disasters, yet they often become disaster targets themselves. This study offers a global retrospective analysis of hospital disasters from 1976 to 2023, drawing on data from the Emergency Events Database (EM-DAT). Our methodology combines a historical data review with an evaluation of the impact of technological advancements, community awareness, governmental policies, and psychological support mechanisms on disaster mitigation. By categorizing disasters into collapses, explosions, and fires, we specifically examine incidents leading to significant human casualties and property damage. This retrospective study employs quantitative analysis to identify trends and patterns in hospital disasters, utilizing statistical methods to assess data categorization by EM-DAT and to evaluate the frequency, severity and geographical disparities of these incidents. A notable increase in hospital fires highlights an urgent need for improved safety standards and preparedness. Our analysis also reveals significant regional differences in hospital safety protocols, advocating for tailored preparedness strategies. Enhanced safety standards and disaster preparedness within healthcare facilities are imperative. We propose the development of comprehensive, region-specific preparedness strategies, informed by our findings, to mitigate the impact of future hospital disasters. Addressing these challenges necessitates a global, collaborative approach, emphasizing the role of international cooperation in fostering safer healthcare environments.
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7.
  • Celik, Yeliz, et al. (författare)
  • Association of TNF-α (-308G/A) Gene Polymorphism with Changes in Circulating TNF-α Levels in Response to CPAP Treatment in Adults with Coronary Artery Disease and Obstructive Sleep Apnea
  • 2023
  • Ingår i: Journal of Clinical Medicine. - : MDPI. - 2077-0383. ; 12:16
  • Tidskriftsartikel (refereegranskat)abstract
    • Rationale: We recently demonstrated that patients with coronary artery disease (CAD) and obstructive sleep apnea (OSA) carrying the tumor necrosis factor-alpha (TNF-α) A allele had increased circulating TNF-α levels compared with the ones carrying the TNF-α G allele. In the current study, we addressed the effect of TNF-α (-308G/A) gene polymorphism on circulating TNF-α levels following continuous positive airway pressure (CPAP) therapy. Methods: This study was a secondary analysis of the RICCADSA trial (NCT00519597) conducted in Sweden. CAD patients with OSA (apnea–hypopnea index) of ≥15 events/h and an Epworth Sleepiness Scale (ESS) score of <10 were randomized to CPAP or no-CPAP groups, and OSA patients with an ESS score of ≥10 were offered CPAP treatment. Blood samples were obtained at baseline and 12-month follow-up visits. TNF-α was measured by immunoassay (Luminex, R&D Systems). Genotyping of TNF-α-308G/A (single nucleotide polymorphism Rs1800629) was performed by polymerase chain reaction–restriction fragment length polymorphism. Results: In all, 239 participants (206 men and 33 women; mean age 64.9 (SD 7.7) years) with polymorphism data and circulating levels of TNF-α at baseline and 1-year follow-up visits were included. The median circulating TNF-α values fell in both groups between baseline and 12 months with no significant within- or between-group differences. In a multivariate linear regression model, a significant change in circulating TNF-α levels from baseline across the genotypes from GA to GA and GA to AA (standardized β-coefficient −0.129, 95% confidence interval (CI) −1.82; −0.12; p = 0.025) was observed in the entire cohort. The association was more pronounced among the individuals who were using the device for at least 4 h/night (n = 86; standardized β-coefficient −2.979 (95% CI −6.11; −1.21); p = 0.004)), whereas no significant association was found among the patients who were non-adherent or randomized to no-CPAP. The participants carrying the TNF-α A allele were less responsive to CPAP treatment regarding the decline in circulating TNF-α despite CPAP adherence (standardized β-coefficient −0.212, (95% CI −5.66; −1.01); p = 0.005). Conclusions: Our results suggest that TNF-α (-308G/A) gene polymorphism is associated with changes in circulating TNF-α levels in response to CPAP treatment in adults with CAD and OSA. 
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8.
  • Eriksson, D, et al. (författare)
  • Extended exome sequencing identifies BACH2 as a novel major risk locus for Addison's disease
  • 2016
  • Ingår i: Journal of Internal Medicine. - : Wiley. - 0954-6820 .- 1365-2796. ; 286:6, s. 595-608
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Autoimmune disease is one of the leading causes of morbidity and mortality worldwide. In Addison's disease, the adrenal glands are targeted by destructive autoimmunity. Despite being the most common cause of primary adrenal failure, little is known about its aetiology.METHODS: To understand the genetic background of Addison's disease, we utilized the extensively characterized patients of the Swedish Addison Registry. We developed an extended exome capture array comprising a selected set of 1853 genes and their potential regulatory elements, for the purpose of sequencing 479 patients with Addison's disease and 1394 controls.RESULTS: We identified BACH2 (rs62408233-A, OR = 2.01 (1.71-2.37), P = 1.66 × 10(-15) , MAF 0.46/0.29 in cases/controls) as a novel gene associated with Addison's disease development. We also confirmed the previously known associations with the HLA complex.CONCLUSION: Whilst BACH2 has been previously reported to associate with organ-specific autoimmune diseases co-inherited with Addison's disease, we have identified BACH2 as a major risk locus in Addison's disease, independent of concomitant autoimmune diseases. Our results may enable future research towards preventive disease treatment.
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9.
  • Mårild, Karl, 1982, et al. (författare)
  • Histological remission in inflammatory bowel disease and female fertility : A nationwide study
  • 2024
  • Ingår i: Gastroenterology. - : American Gastroenterology Association Institute. - 0016-5085 .- 1528-0012. ; 166:5, s. 802-814.e18
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND & AIMS: Inflammatory bowel disease (IBD) is linked to reduced female fertility, but it is unclear how fertility rates vary by histological disease activity.METHODS: Nationwide IBD cohort of Swedish women aged 15-44 years. We examined fertility rates during periods with vs. without histological inflammation (n=21,046; follow-up: 1990-2016) and during periods with vs. without clinical activity (IBD-related hospitalization, surgery, or treatment escalation) (n=24,995; follow-up: 2006-2020). Accounting for socio-demographics and comorbidities, we used Poisson regression to estimate adjusted fertility rate ratios (aFRRs) for live-births conceived during 12-month-periods of histological inflammation (vs. histological remission) and 3-month-periods of clinically active IBD (vs. quiescent IBD).RESULTS: During periods with vs. without histological inflammation, there were 6.35 (95%CI=5.98-6.73) and 7.09 (95%CI=6.48-7.70) live-births conceived per 100 person-years of follow-up, respectively, or one fewer child per fourteen women with 10 years of histological inflammation (aFRR=0.90; 95%CI=0.81-1.00). In women with histological inflammation fertility was similarly reduced in ulcerative colitis (UC, aFRR=0.89 [95%CI=0.78-1.02]) and Crohn's disease (CD, aFRR=0.86 [95%CI=0.72-1.04]). Clinical IBD activity was associated with an aFRR of 0.76 (95%CI=0.72-0.79) or one fewer child per six women with 10 years of clinical activity. Fertility was reduced in clinically active UC (aFRR=0.75 [95%CI=0.70-0.81]) and CD (aFRR=0.76 [95%CI=0.70-0.82]). Finally, also among women with clinically quiescent IBD, histological inflammation (vs. histological remission) was associated with reduced fertility (aFRR=0.85 [95%CI=0.73-0.98]).CONCLUSIONS: An association between histological and clinical activity and reduced female fertility in CD and UC was found. Notably, histological inflammation was linked to reduced fertility also in women with clinically quiescent IBD.
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10.
  • Norgren, Lars, et al. (författare)
  • Immune response to collagen impregnated Dacron double velour grafts for aortic and aorto-femoral reconstructions
  • 1990
  • Ingår i: European Journal of Vascular Surgery. - 0950-821X. ; 4:4, s. 379-384
  • Tidskriftsartikel (refereegranskat)abstract
    • This study presents 20 patients, randomised to receive either a collagen-treated or an ordinary Dacron graft for aortic reconstructions, and the results of a skin-prick test, blood parameters and ELISA for anti-collagen antibodies as well as NMR pictures during a 6 week follow-up period. Forty per cent (4/11) of those receiving a collagen impregnated graft had a significantly increased titre of antibodies and NMR revealed in two out of 11 patients either a slightly increased amount of fluid or fibrosis around the graft, both collagen impregnated. No differences were found between the graft groups concerning body temperature and leucocyte or platelet counts. The skin-prick test for collagen was negative in all cases.
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