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Träfflista för sökning "WFRF:(Österberg Klas 1966) srt2:(2015-2019)"

Sökning: WFRF:(Österberg Klas 1966) > (2015-2019)

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1.
  • Nordanstig, Annika, 1974, et al. (författare)
  • Very Urgent Carotid Endarterectomy is Associated with an Increased Procedural Risk: The Carotid Alarm Study
  • 2017
  • Ingår i: European Journal of Vascular and Endovascular Surgery. - : Elsevier BV. - 1078-5884. ; 54:3, s. 278-286
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective/Background: The aim of the Carotid Alarm Study was to compare the procedural risk of carotid endarterectomy (CEA) performed within 48 hours with that after 48 hours to 14 days following an ipsilateral cerebrovascular ischaemic event. Methods: Consecutive patients with symptomatic carotid stenosis undergoing CEA were prospectively recruited. Time to surgery was calculated as time from the most recent ischaemic event preceding surgery. A neurologist examined patients before and, after CEA. The primary endpoint was the composite endpoint of death and/or any stroke within 30 days of the surgical procedure. The study was designed to include 600 patients, with 150 operated on within 48 hours. Results: From October 2010 to December 2015, 418 patients were included, of whom 75 were operated within 48 hours of an ischaemic event. The study was prematurely terminated owing to the slow recruitment rate in the group operated on within 48 hours. Patients undergoing CEA within 48 hours had a higher risk of reaching the primary endpoint than those operated on later (8.0% vs. 2.9%). Multivariate logistic regression analyses showed that CEA performed within 48 h (odds ratio [OR] 3.07; 95% confidence interval [CI] 1.04-9.09), CEA performed out of office hours (OR 3.65; 95% CI 1.14-11.67), and use of shunt (OR 4.02; 95% CI 1.36-11.93) were all independently associated with an increased risk of reaching the primary endpoint. Conclusion: CEA performed within 48 hours was associated with a higher risk of complications compared with surgery performed 48 hours-14 days after the most recent ischaemic event. (C) 2017 Published by Elsevier 'Ltd on behalf of European Society for Vascular Surgery.
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2.
  • Fagerberg, Björn, 1943, et al. (författare)
  • Cadmium exposure as measured in blood in relation to macrophage density in symptomatic atherosclerotic plaques from human carotid artery
  • 2016
  • Ingår i: Atherosclerosis. - : Elsevier BV. - 0021-9150. ; 249, s. 209-214
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and Aims: The general population is exposed to cadmium through diet and smoking. Cadmium is pro-atherogenic and pro-inflammatory in experimental and observational studies. Cadmium levels in blood and carotid plaque endarterectomies correlate. Cadmium concentrations are much higher in plaque-areas that most frequently rupture. Here we investigated if blood cadmium concentrations are associated with macrophage density and the accumulation of CD14 as indicator of macrophage activation by lipopolysaccharide (LPS) in endarterectomies from patients with symptomatic carotid plaques. Methods: Endarterectomies from ninety nine patients were fixed in formalin, embedded in paraffin, serially sectioned and stained for assessment of morphology. As predefined, the two section levels with most prevalent plaque rupture were used for further analyses. Macrophages were assessed as area of staining for CD68 (%). Blood cadmium was measured with ICP-MS. Results: The CD68 median [25,75 percentiles] from the average of both sections were higher in cadmium tertile 3 than in tertile 1 (9.8 [4.9,16.1] % and 3.8 (0.6,12.4) %, p = 0.017). This difference remained in a multiple linear regression analysis with 10log meanCD68 as dependent variable and adjustment for sex, age, smoking, statin treatment, index event, time between event and surgery (beta coefficient 0.44 [95% CI 0.05-0.87]. CD14 was not associated with blood cadmium. Conclusions: The results showed that blood cadmium was associated with proinflammatory macrophage density in the sections of carotid plaques with most frequent rupture, previously shown to contain most cadmium. No association between cadmium and LPS-mediated macrophage-activation was found. Cadmium exposure may promote plaque inflammation. (C) 2016 Elsevier Ireland Ltd. All rights reserved.
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3.
  • Karlsson, Lena, 1964, et al. (författare)
  • Risk of Recurrent Stroke in Patients with Symptomatic Mild (20-49% NASCET) Carotid Artery Stenosis
  • 2016
  • Ingår i: European Journal of Vascular and Endovascular Surgery. - : Elsevier BV. - 1078-5884. ; 52:3, s. 287-294
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: The objective of this study was to evaluate the risk of recurrent ischaemic stroke in patients with ultrasound assessed symptomatic mild carotid artery stenosis (20-49% NASCET) treated solely with modern medical treatment. Method: This was a retrospective, observational register cohort study. Three groups of patients were recruited from a database of all carotid Doppler ultrasound examinations performed in the Gothenburg region between 2004 and 2009. Patients with symptomatic mild carotid artery stenosis (n = 162) were compared with patients with asymptomatic carotid artery stenosis (n = 301) of equal degree and a group of patients with surgically (CEA) treated symptomatic moderate or severe carotid artery stenosis (n = 220). Kaplan-Meier estimates and Cox proportional hazard models were used to compare the primary outcome (ipsilateral ischaemic stroke) between groups. Results: After a 3 year follow up, the cumulative incidence of recurrent ipsilateral stroke in patients with symptomatic mild carotid artery stenosis was 7.4%. Patients with symptomatic mild carotid artery stenosis had a substantially increased risk of recurrent ipsilateral stroke compared with asymptomatic patients with equal degree of stenosis (HR 5.5. 95% CI 1.8-17.1; p = .003) as also compared with patients with CEA treated symptomatic moderate or severe stenosis (HR 7.8. 95% CI 1.62-37.8; p = .011). Conclusions: The present study on patients with symptomatic mild carotid artery stenosis, as determined by Doppler ultrasound, shows that there is still a substantial risk of recurrent stroke in this group. (C) 2016 European Society for Vascular Surgery. Published by Elsevier Ltd. All rights reserved.
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5.
  • Nordanstig, Joakim, et al. (författare)
  • Two-year results from a randomized clinical trial of revascularization in patients with intermittent claudication
  • 2016
  • Ingår i: British Journal of Surgery. - : Oxford University Press (OUP). - 0007-1323 .- 1365-2168. ; 103:10, s. 1290-1299
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundIntermittent claudication is associated with significant impairment of health-related quality of life. The use of revascularization techniques to improve health-related quality of life remains controversial. MethodsPatients with intermittent claudication due to iliac or femoropopliteal peripheral artery disease were enrolled in the IRONIC trial. They were randomized to either best medical therapy (BMT), including a structured, non-supervised exercise programme, or revascularization with either endovascular or open techniques in addition to BMT. The primary outcome was health-related quality of life at 2years assessed using the Short Form 36 (SF-36((R))) questionnaire. Secondary outcomes included VascuQoL questionnaire results, treadmill walking distances and achievement of patient-specified treatment goals. ResultsBoth randomized groups had improved health-related quality of life and treadmill walking distance at 2-year follow-up. Overall SF-36((R)) physical component summary score, three SF-36((R)) physical domain scores, overall VascuQoL score, and three of five VascuQoL domain scores showed significantly greater improvement in the group that also received invasive treatment. Intermittent claudication distance on a graded treadmill improved more in the revascularization + BMT group (117 versus 55m; P=0003) whereas maximum walking distance and 6-min walk test distance were similar. Some 44 per cent of patients in the revascularization + BMT group reported they had fully achieved their treatment goal versus 10 per cent in the BMT group. ConclusionA revascularization strategy with unsupervised exercise improved health-related quality of life and intermittent claudication distance more than standard BMT and an unsupervised exercise programme in patients with lifestyle-limiting claudication. Registration number: NCT01219842 (http://www.clinicaltrials.gov).
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