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Träfflista för sökning "WFRF:(Nilsson Per) ;pers:(Enblad Per)"

Sökning: WFRF:(Nilsson Per) > Enblad Per

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1.
  • Aineskog, Helena, et al. (författare)
  • A national cohort with aneurysmal subarachnoid hemorrhage : patient characteristics, choice of treatment, clinical outcome, and factors of prognostic importance
  • 2024
  • Ingår i: World Neurosurgery. - : Elsevier. - 1878-8750 .- 1878-8769.
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To study associations of clinical characteristics and treatment choice with functional outcome, mortality, and time to death in a national sample of aneurysmal subarachnoidal hemorrhage patients.Methods: Data were extracted from a prospective nationwide multicenter study performed in September 2014 to March 2018. Glasgow Outcome Scale Extended (GOSE) grade, 1-year mortality, and survival probability were assessed at one year after ictus. Logistic univariate, multivariate, and Cox regression analyses were used to study the variables' associations with the outcomes.Results: Unfavorable dichotomized GOSE (dGOSE; grades 1–4) was observed in 35.4% of patients. Microsurgery was preferred for middle cerebral artery aneurysms and Fisher grade 4. Treatment modality was not associated with any outcome measure. Dichotomized World Federation of Neurosurgical Societies (dWFNS), age, and delayed ischemic neurological deficit (DIND) showed significant correlations with dGOSE and 1-year mortality in multivariate regression analyses. Pupil dilatation was associated with a 1-year mortality outcome. Cox regression analysis showed lower survival probability for pupil dilatation (hazard ratio [HR]: 3.546), poor dWFNS (HR: 3.688), higher age (HR: 1.051), and DIND occurrence (HR: 2.214).Conclusions: The patient selection in Sweden after aneurysmal subarachnoidal hemorrhage showed similar values for dGOSE, 1-year mortality, and survival probability between patients treated with microsurgery or endovascular technique. Poor dWFNS, higher age, and DIND were significantly associated with unfavorable dGOSE, mortality, and survival probability. Pupil dilatation was significantly associated with mortality and survival probability.
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  • Baldvinsdóttir, Bryndís, et al. (författare)
  • Adverse events associated with microsurgial treatment for ruptured intracerebral aneurysms: a prospective nationwide study on subarachnoid haemorrhage in Sweden
  • 2023
  • Ingår i: Journal of Neurology Neurosurgery and Psychiatry. - : BMJ. - 0022-3050 .- 1468-330X. ; 94:7, s. 575-580
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundAdverse events (AEs) or complications may arise secondary to the treatment of aneurysmal subarachnoid haemorrhage (SAH). The aim of this study was to identify AEs associated with microsurgical occlusion of ruptured aneurysms, as well as to analyse their risk factors and impact on functional outcome. MethodsPatients with aneurysmal SAH admitted to the neurosurgical centres in Sweden were prospectively registered during a 3.5-year period (2014-2018). AEs were categorised as intraoperative or postoperative. A range of variables from patient history and SAH characteristics were explored as potential risk factors for an AE. Functional outcome was assessed approximately 1 year after the bleeding using the extended Glasgow Outcome Scale. ResultsIn total, 1037 patients were treated for ruptured aneurysms, of which, 322 patients were treated with microsurgery. There were 105 surgical AEs in 97 patients (30%); 94 were intraoperative AEs in 79 patients (25%). Aneurysm rerupture occurred in 43 patients (13%), temporary occlusion of the parent artery >5 min in 26 patients (8%) and adjacent vessel injury in 25 patients (8%). High Fisher grade and brain oedema on CT were related to increased risk of AEs. At follow-up, 38% of patients had unfavourable outcome. Patients suffering AEs were more likely to have unfavourable outcome (OR 2.3, 95% CI 1.10 to 4.69). ConclusionIntraoperative AEs occurred in 25% of patients treated with microsurgery for ruptured intracerebral aneurysm in this nationwide survey. Although most operated patients had favourable outcome, AEs were associated with increased risk of unfavourable outcome.
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3.
  • Baldvinsdóttir, Bryndís, et al. (författare)
  • Adverse events during endovascular treatment of ruptured aneurysms : A prospective nationwide study on subarachnoid hemorrhage in Sweden
  • 2023
  • Ingår i: BRAIN AND SPINE. - : Elsevier. - 2772-5294. ; 3
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction: A range of adverse events (AEs) may occur in patients with subarachnoid hemorrhage (SAH). Endovascular treatment is commonly used to prevent aneurysm re-rupture.Research question: The aim of this study was to identify AEs related to endovascular treatment, analyze risk factors for AEs and how AEs affect patient outcome.Material and methods: Patients with aneurysmal SAH admitted to all neurosurgical centers in Sweden during a 3.5-year period (2014-2018) were prospectively registered. AEs related to endovascular aneurysm treatment were thromboembolic events, aneurysm re-rupture, vessel dissection and puncture site hematoma. Potential risk factors for the AEs were analyzed using multivariate logistic regression. Functional outcome was assessed at one year using the extended Glasgow outcome scale.Results: In total, 1037 patients were treated for ruptured aneurysms. Of which, 715 patients were treated with endovascular occlusion. There were 115 AEs reported in 113 patients (16%). Thromboembolic events were noted in 78 patients (11%). Aneurysm re-rupture occurred in 28 (4%), vessel dissection in 4 (0.6%) and puncture site hematoma in 5 (0.7%). Blister type aneurysm, aneurysm smaller than 5 mm and endovascular techniques other than coiling were risk factors for treatment-related AEs. At follow-up, 230 (32%) of the patients had unfavorable outcome. Patients suffering intraprocedural aneurysm re-rupture were more likely to have unfavorable outcome (OR 6.9, 95% CI 2.3-20.9).Discussion and conclusion: Adverse events related to endovascular occlusion of a ruptured aneurysm were seen in 16% of patients. Aneurysm re-rupture during endovascular treatment was associated with increased risk of unfavorable functional outcome.
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  • Blomquist, Erik, et al. (författare)
  • Positive correlation between occlusion rate and nidus size of proton beam treated brain arteriovenous malformations (AVMs)
  • 2016
  • Ingår i: Acta Oncologica. - 0284-186X .- 1651-226X. ; 55:1, s. 105-112
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Proton beam radiotherapy of arteriovenous malformations (AVM) in the brain has been performed in Uppsala since 1991. An earlier study based on the first 26 patients concluded that proton beam can be used for treating large and medium sized AVMs that were considered difficult to treat with photons due to the risk of side effects. In the present study we analyzed the result from treating the subsequent 65 patients.MATERIAL AND METHODS: A retrospective review of the patients' medical records, treatment protocols and radiological results was done. Information about gender, age, presenting symptoms, clinical course, the size of AVM nidus and rate of occlusion was collected. Outcome parameters were the occlusion of the AVM, clinical outcome and side effects.RESULTS: The rate of total occlusion was overall 68%. For target volume 0-2cm(3) it was 77%, for 3-10 cm(3) 80%, for 11-15 cm(3) 50% and for 16-51 cm(3) 20%. Those with total regress of the AVM had significantly smaller target volumes (p < 0.009) higher fraction dose (p < 0.001) as well as total dose (p < 0.004) compared to the rest. The target volume was an independent predictor of total occlusion (p = 0.03). There was no difference between those with and without total occlusion regarding mean age, gender distribution or symptoms at diagnosis. Forty-one patients developed a mild radiation-induced brain edema and this was more common in those that had total occlusion of the AVM. Two patients had brain hemorrhages after treatment. One of these had no effect and the other only partial occlusion from proton beams. Two thirds of those presenting with seizures reported an improved seizure situation after treatment.CONCLUSION: Our observations agree with earlier results and show that proton beam irradiation is a treatment alternative for brain AVMs since it has a high occlusion rate even in larger AVMs.
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  • Decraene, Brecht, et al. (författare)
  • Decompressive craniectomy as a second/third-tier intervention in traumatic brain injury : A multicenter observational study
  • 2023
  • Ingår i: Injury. - : Elsevier. - 0020-1383 .- 1879-0267. ; 54:9
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives: RESCUEicp studied decompressive craniectomy (DC) applied as third-tier option in severe traumatic brain injury (TBI) patients in a randomized controlled setting and demonstrated a decrease in mortality with similar rates of favorable outcome in the DC group compared to the medical management group. In many centers, DC is being used in combination with other second/third-tier therapies. The aim of the present study is to investigate outcomes from DC in a prospective non-RCT context.Methods: This is a prospective observational study of 2 patient cohorts: one from the University Hospitals Leuven (2008-2016) and one from the Brain-IT study, a European multicenter database (2003-2005). In thirty-seven patients with refractory elevated intracranial pressure who underwent DC as a second/third-tier intervention, patient, injury and management variables including physiological monitoring data and administration of thio-pental were analysed, as we l l as Extended Glasgow Outcome score (GOSE) at 6 months.Results: In the current cohorts, patients were older than in the surgical RESCUEicp cohort (mean 39.6 vs. 32.3; p < 0.001), had higher Glasgow Motor Score on admission (GMS < 3 in 24.3% vs. 53.0%; p = 0.003) and 37.8% received thiopental (vs. 9.4%; p < 0.001). Other variables were not significantly different. GOSE distribution was: death 24.3%; vegetative 2.7%; lower severe disability 10.8%; upper severe disability 13.5%; lower moderate disability 5.4%; upper moderate disability 2.7%, lower good recovery 35.1%; and upper good recover y 5.4%. The outcome was unfavorable in 51.4% and favorable in 48.6%, as opposed to 72.6% and 27.4% respectively in RESCUEicp (p = 0.02).Conclusion: Outcomes in DC patients from two prospective cohorts reflecting everyday practice were better than in RESCUEicp surgical patients. Mortality was similar, but fewer patients remained vegetative or severely disabled and more patients had a good recovery. Although patients were older and injury severity was lower, a potential partial explanation may be in the pragmatic use of DC in combination with other second/third-tier therapies in real-life cohorts. The findings underscore that DC maintains an important role in managing se-vere TBI.
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