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- Oudin Åström, Daniel, et al.
(författare)
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Temperature effects on incidence of surgery for acute type A aortic dissection in the Nordics
- 2022
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Ingår i: Global health action. - : Informa UK Limited. - 1654-9880 .- 1654-9880 .- 1654-9716. ; 15:1
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Tidskriftsartikel (refereegranskat)abstract
- We aimed to investigate a hypothesised association between daily mean temperature and the risk of surgery for acute type A aortic dissection (ATAAD). For the period of 1 January 2005 until 31 December 2019, we collected daily data on mean temperatures and date of 2995 operations for ATAAD at 10 Nordic cities included in the Nordic Consortium for Acute Type A Aortic Dissection (NORCAAD) collaboration. Using a two-stage time-series approach, we investigated the association between hot and cold temperatures relative to the optimal temperature and the rate of ATAAD repair in the selected cities. The relative risks (RRs) of cold temperatures (<=-5 degrees C) and hot temperatures (>= 21 degrees C) compared to optimal temperature were 1.47 (95% CI: 0.72-2.99) and 1.43 (95% CI: 0.67-3.08), respectively. In line with previous studies, we observed increased risk at cold and hot temperatures. However, the observed associations were not statistically significant, thus only providing weak evidence of an association.
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- Kollind, M., et al.
(författare)
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Shock treatment in a cohort of Scandinavian intensive care units in 2014
- 2016
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Ingår i: Acta Anaesthesiologica Scandinavica. - : WILEY-BLACKWELL. - 0001-5172 .- 1399-6576. ; 60:7, s. 945-957
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Tidskriftsartikel (refereegranskat)abstract
- BackgroundShock is common in intensive care units, and treatment includes fluids, vasopressor and/or inotropic drugs, guided by hemodynamic monitoring. The aim of this study was to identify current practice for treatment of shock in Scandinavian intensive care units. MethodsSeven-day inception cohort study in 43 intensive care units in Scandinavia. Patients 15years old receiving more than 4h of cardiovascular acting drug infusion were included. The use of fluids, vasopressor and inotropic drugs, type of monitoring, and target values were recorded. ResultsOne hundred and seventy-one patients were included. At inclusion, 136/168 (81%) had received vasopressor and/or inotropic drug therapy for less than 24h, and 143/171 (84%) had received volume loading before the onset of vasoactive drug treatment. Ringers solution was given to 129/143 (90%) of patients and starches in 3/143 (2%) patients. Noradrenaline was the most commonly used cardiovascular acting drug, given in 168/171 (98%) of cases while dopamine was rarely used. Mean arterial pressure was considered the most important variable for hemodynamic monitoring. Invasive arterial blood pressure was monitored in 166/171 (97%) of patients, arterial pulse wave analysis in 11/171 (7%), and echocardiography in 50/171 (29%). ConclusionIn this survey, Ringers solution and noradrenaline were the most common first-line treatments in shock. The use of starches and dopamine were rare. Almost all patients were monitored with invasive arterial blood pressure, but comprehensive hemodynamic monitoring was used only in a minority of patients.
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- Liljegren, G, et al.
(författare)
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Acute colonic diverticulitis : a systematic review of diagnostic accuracy
- 2007
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Ingår i: Colorectal Disease. - Oxford : Wiley. - 1462-8910 .- 1463-1318. ; 9:6, s. 480-488
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Forskningsöversikt (refereegranskat)abstract
- Objective To appraise the literature on the diagnosis of acute colonic diverticulitis by ultrasound (US), computed tomography (CT), barium enema (BE) and magnetic resonance imaging (MRI).Method The databases of Pub Med, the Cochrane Library and EMBASE were searched for articles on the diagnosis of diverticulitis published up to November 2005. Studies where US, CT, BE, or MRI were compared with a reference standard on consecutive or randomly selected patients were included. Three examiners independently read the articles according to a prespecified protocol. In case of disagreement consensus was sought. The level of evidence of each article was classified according to the criteria of the Centre for Evidence-Based Medicine (CEBM), Oxford, UK.Results Forty-nine articles relevant to the subject were found and read in full. Twenty-nine of these were excluded. Among the remaining 20 articles, only one study, evaluating both US and CT reached level of evidence 1b according to the CEBM criteria. Two US studies and one MRI study reached level 2b. The remaining studies were level 4.Conclusion The best evidence for diagnosis of diverticulitis in the literature is on US. Only one small study of good quality was found for CT and for MRI-colonoscopy.
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- Löfström, Emma, et al.
(författare)
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Dynamics of IgG-avidity and antibody levels after Covid-19
- 2021
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Ingår i: Journal of Clinical Virology. - Amsterdam : Elsevier. - 1386-6532 .- 1873-5967. ; 144
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Tidskriftsartikel (refereegranskat)abstract
- Background: A potentially important aspect of the humoral immune response to Covid-19 is avidity, the overall binding strength between antibody and antigen. As low avidity is associated with a risk of re- infection in several viral infections, avidity might be of value to predict risk for reinfection with covid-19. Objectives: The purpose of this study was to describe the maturation of IgG avidity and the antibody-levels over time in patients with PCR-confirmed non-severe covid-19. Study design: Prospective longitudinal cohort study including patients with RT-PCR confirmed covid-19. Blood samples were drawn 1, 3 and 6 months after infection. Antibody levels and IgG-avidity were analysed. Results: The majority had detectable s- and n-antibodies (88,1%, 89,1%, N = 75). The level of total n-antibodies significantly increased from 1 to 3 months (median value 28,3 vs 39,3 s/co, p<0.001) and significantly decreased from 3 to 6 months (median value 39,3 vs 17,1 s/co, p<0.001). A significant decrease in the IgG anti-spike levels (median value 37,6, 24,1 and 18,2 RU/ml, p<0.001) as well as a significant increase in the IgG-avidity index (median values 51,6, 66,0 and 71,0%, p<0.001) were seen from 1 to 3 to 6 months. Conclusion: We found a significant ongoing increase in avidity maturation after Covid-19 whilst the levels of antibodies were declining, suggesting a possible aspect of long-term immunity. © 2021 The Authors. Published by Elsevier B.V.
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