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Sökning: L773:0039 2499 OR L773:1524 4628 > Linköpings universitet

  • Resultat 1-9 av 9
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1.
  • Medin, Jennie, et al. (författare)
  • Increasing stroke incidence in Sweden between 1989 and 2000 among persons aged 30 to 65 years : evidence from the Swedish Hospital Discharge Register
  • 2004
  • Ingår i: Stroke. - 0039-2499 .- 1524-4628. ; 35:5, s. 1047-1051
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and Purpose— Stroke mortality is decreasing in Sweden, as is the case in other Western European countries. However, both decreases and increases have been reported in Sweden for persons younger than age 65 years. The aim of this study was to compare the incidence of stroke in Sweden between the periods 1989 and 1991 and 1998 and 2000 in persons aged 30 to 65 years.Methods— All first-ever stroke patients aged 30 to 65 years in the Swedish Hospital Discharge Register between 1989 and 2000 were included.Results— The age-standardized, 3-year average incidence increased by 19%, from 98.9 to 118.0 per 100 000 among men, and by 33%, from 48.4 to 64.4 among women, between 1989 and 1991 and 1998 and 2000. The largest increase was seen among those younger than 60 years. On a county level, the change in age-standardized stroke incidence varied from small decreases (−3%) to large increases (82%).Conclusion— Stroke incidence increased in Sweden for both men and women between 1989 and 2000. The increase was larger among women. This calls for action when it comes to studying risk factors and planning for prevention and health promotion and indicates the need for gender-specific studies.
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3.
  • Olai, Lena, 1958-, et al. (författare)
  • Survival, hazard function for a new event, and healthcare utilization among stroke patents ≥65 Years
  • 2009
  • Ingår i: Stroke. - 0039-2499 .- 1524-4628. ; 40:11, s. 3585-3590
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and Purpose — The natural history of stroke is still incompletely understood. The aim of this study was to present detailed data on survival, recurrence, and all types of healthcare utilization before and after a stroke event in patients with stroke. Methods — Three hundred ninety stroke survivors constituted the study population. Information on survival data during 5 years of follow-up, all hospital admissions since 1971, all outpatient and primary care consultations, and all municipal social service support during the year before and after the index stroke admission and patient interviews 1 week after discharge were obtained. Results — The risk of death or a new stroke was high in the early phase after admission but then decreased rapidly during the next few months. Mortality during the first 5 years was influenced by age and functional ability, whereas the risk of stroke recurrence was influenced by number of previous strokes, hypertension diagnosis, and sex. On a day-by-day basis, 35% were dependent on municipal support before and 65% after the stroke. The corresponding proportions in outpatient care were 6% and 10%, and for hospital inpatient care 1% to 2% and 2% to 3%. Of the health care provided, nursing care dominated. Conclusions — The risk of dying or having a new stroke event decreased sharply during the early postmorbid phase. Healthcare utilization increased after discharge but was still moderate on a day-by-day basis, except for municipal social service support, which was substantial.
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4.
  • Sundelin, Heléne, et al. (författare)
  • Long-Term Mortality in Children With Ischemic Stroke : A Nationwide Register-Based Cohort Study
  • 2022
  • Ingår i: Stroke. - : Lippincott Williams & Wilkins. - 0039-2499 .- 1524-4628. ; 29:2, s. 837-844
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and Purpose: Ischemic stroke is a common cause of death in adults, however, mortality after pediatric ischemic stroke is not well explored. We investigate long-term and cause-specific mortality in children with ischemic stroke and their first-degree relatives.Methods: Through nationwide Swedish registers, we identified 1606 individuals <18 years old with ischemic stroke between 1969 and 2016 and their first-degree relatives (n=5714). Each individual with ischemic stroke was compared with 10 reference individuals (controls) matched for age, sex, and county of residence. Our main analysis examined 1327 children with ischemic stroke still alive 1 week after the event. First-degree relatives to children with ischemic stroke were compared with first-degree relatives to the reference individuals. Using a Cox proportional hazard regression model, the risk of overall and cause-specific mortality was computed in individuals with pediatric ischemic stroke and their first-degree relatives.Results: The mortality rate in the first 6 months was 40.1 (95% CI, 24.7-55.6) per 1000 person-years compared with 1.1/1000 in controls (95% CI, 0.3-1.9). The overall mortality risk was hazard ratio (HR)=10.8 (95% CI, 8.1-14.3) and remained elevated beyond 20 years (HR=3.9 [95% CI, 2.1-7.1]). Children with ischemic stroke were at increased risk of death from neurological diseases (HR=29.9 [95% CI, 12.7-70.3]), cardiovascular diseases (HR=6.2 [95% CI, 1.8-22.2]), cancers (HR=6.5 [95% CI, 2.6-15.9]) and endocrine, nutritional and metabolic diseases (HR=49.2 [95% CI, 5.7-420.8]). First-degree relatives to children with ischemic stroke had an increased mortality risk (HR=1.21 [95% CI, 1.05-1.39]), with the highest risk among siblings (HR=1.52 [95% CI, 1.09-2.11]) and relatives to individuals with ischemic stroke >28 days of age (HR=1.23 [95% CI, 1.06-1.42]) compared with the relatives of the controls.Conclusions: Long-term mortality increased after pediatric ischemic stroke, even 20 years later, with neurological diseases as the most frequent cause of death.
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5.
  • Sundelin, Heléne, et al. (författare)
  • Pediatric Ischemic Stroke and Epilepsy A Nationwide Cohort Study
  • 2021
  • Ingår i: Stroke. - : Lippincott Williams & Wilkins. - 0039-2499 .- 1524-4628. ; 52:11, s. 3532-3540
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and Purpose: The risk of epilepsy after stroke has not been thoroughly explored in pediatric ischemic stroke. We examined the risk of epilepsy in children with ischemic stroke as well as in their first-degree relatives.Methods: In Swedish National Registers, we identified 1220 children <18 years with pediatric ischemic stroke diagnosed 1969 to 2016, alive 7 days after stroke and with no prior epilepsy. We used 12 155 age- and sex-matched individuals as comparators. All first-degree relatives to index individuals and comparators were also identified. The risk of epilepsy was estimated in children with ischemic stroke and in their first-degree relatives using Cox proportional hazard regression model.Results: Through this nationwide population-based study, 219 (18.0%) children with ischemic stroke and 91 (0.7%) comparators were diagnosed with epilepsy during follow-up corresponding to a 27.8-fold increased risk of future epilepsy (95% CI, 21.5-36.0). The risk of epilepsy was still elevated after 20 years (hazard ratio [HR], 7.9 [95% CI, 3.3-19.0]), although the highest HR was seen in the first 6 months (HR, 119.4 [95% CI, 48.0-297.4]). The overall incidence rate of epilepsy was 27.0 per 100 000 person-years (95% CI, 21.1-32.8) after ischemic stroke diagnosed <= day 28 after birth (perinatal) and 11.6 per 100 000 person-years (95% CI, 9.6-13.5) after ischemic stroke diagnosed >= day 29 after birth (childhood). Siblings and parents, but not offspring, to children with ischemic stroke were at increased risk of epilepsy (siblings: HR, 1.64 [95% CI, 1.08-2.48] and parents: HR, 1.41 [95% CI, 1.01-1.98]).Conclusions: The risk of epilepsy after ischemic stroke in children is increased, especially after perinatal ischemic stroke. The risk of epilepsy was highest during the first 6 months but remained elevated even 20 years after stroke which should be taken into account in future planning for children affected by stroke.
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  • Wiklund, Per-Gunnar, et al. (författare)
  • Plasminogen activator inhibitor-1 4G/5G polymorphism and risk of stroke : replicated findings in two nested case-control studies based on independent cohorts.
  • 2005
  • Ingår i: Stroke. - 0039-2499 .- 1524-4628. ; 36:8, s. 1661-1665
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND AND PURPOSE: Impaired fibrinolytic function secondary to elevated plasminogen activator inhibitor-1 (PAI-1) levels has been implicated in ischemic stroke. PAI-1 levels are determined by genetic factors and environmental factors, triglyceride levels in particular. The aim of this study was to investigate the common functional 4/5 guanosine (4G/5G) polymorphism in the promoter region of the PAI-1 gene and the risk of stroke. METHODS: A nested case-control study design was applied, using baseline data for 2 independent cohorts obtained at population-based surveys in northern Sweden. In study A, there were 113, and in study B, there were 275 individuals without major concomitant disease at baseline who later experienced a first-ever stroke. Blood samples obtained at baseline were analyzed for potential risk factors, including the 4G/5G polymorphism of the PAI-1 gene. RESULTS: The 4G allele of the PAI-1 polymorphism was associated with an increased risk of future ischemic stroke in both studies (odds ratio [OR] of 4G homozygosity, 1.87; 95% CI, 1.12 to 3.15 in study A; OR of 4G homozygosity, 1.56; 95% CI, 1.12 to 2.16 in study B). Individuals with the combination of hypertriglyceridemia and 4G homozygosity were at the greatest risk of developing stroke. Multiple logistic regression analysis identified 4G homozygosity, systolic blood pressure, and diabetes as independent predictors of ischemic stroke. CONCLUSIONS: Identical findings in 2 independent studies strongly suggest a true and clinically important association between PAI-1 4G/5G genotype and risk of future ischemic stroke. The observed modification of the genotype effect by triglycerides may be interpreted as a gene-environment interaction.
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8.
  • Yuan, Ximing, 1959-, et al. (författare)
  • Carotid Atheroma From Men Has Significantly Higher Levels of Inflammation and Iron Metabolism Enabled by Macrophages
  • 2018
  • Ingår i: Stroke. - : LIPPINCOTT WILLIAMS & WILKINS. - 0039-2499 .- 1524-4628. ; 49:2, s. 419-425
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and Purpose-Men differ from women in the manifestation of atherosclerosis and iron metabolism. Intraplaque hemorrhage and hemoglobin (Hb) catabolism by macrophages are associated with atherosclerotic lesion instability. The study aims were to investigate sex differences in (1) lesion severity in relation to blood Hb, (2) iron homeostasis in human carotid plaques, and (3) macrophage polarization within atheroma. Methods-The carotid artery samples from 39 men and 23 women were immunostained with cell markers for macrophages, smooth muscle cells, ferritin, and TfR1 (transferrin receptor 1), which were further analyzed according to sex in relation to iron, Hb, and lipids in circulation. Additionally, samples of predefined regions from human carotid atherosclerotic lesions, including internal controls, were used for proteomic analysis by mass spectrometry. Results-Male patients, compared with women, had larger necrotic cores and more plaque rupture, which were associated with higher levels of Hb. Atheroma of male patients had significantly higher levels of Hb in circulation and CD68 macrophages, ferritin, and TfR1 in lesions. CD68 macrophages were significantly correlated with ferritin and TfR1. Plaques from male patients comparatively possessed higher levels of inflammatory macrophage subsets, CD86 (M1) and CD163 (M2), but lower levels of STF (serotransferrin) and HPX (hemopexin). Conclusions-Male patients with carotid atheroma had more advanced and ruptured lesions associated with significantly higher levels of inflammatory macrophage infiltration and high iron stores in the blood and in their plaques. These findings help to understand sex differences and iron metabolism in atherosclerosis and factors related to atheroma progression.
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9.
  • Zhou, Zien, et al. (författare)
  • Canagliflozin and Stroke in Type 2 Diabetes Mellitus Results From the Randomized CANVAS Program Trials
  • 2019
  • Ingår i: Stroke. - : LIPPINCOTT WILLIAMS & WILKINS. - 0039-2499 .- 1524-4628. ; 50:2, s. 396-404
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and Purpose-This study reports the detailed effects of canagliflozin on stroke, stroke subtypes, and vascular outcomes in participants with and without cerebrovascular disease (stroke or transient ischemic attack) at baseline from the CANVAS (Canagliflozin Cardiovascular Assessment Study) Program. Methods-The CANVAS Program, comprising 2 similarly designed and conducted clinical trials, randomly assigned 10 142 participants with type 2 diabetes mellitus and high cardiovascular risk to canagliflozin or placebo. Its primary outcome was a composite of major adverse cardiovascular events. The main outcome of interest for this report was fatal or nonfatal stroke. Additional exploratory outcomes were stroke subtypes and other vascular outcomes defined according to standard criteria. Results-There were 1 958 (19%) participants with prior stroke or transient ischemic attack at baseline. These individuals were older, more frequently women, and had higher rates of heart failure, atrial fibrillation, and microvascular disease (all Pamp;lt;0.001) compared with those without such a history. There were 309 participants with stroke events during followup (123 had prior stroke or transient ischemic attack at baseline and 186 did not), at a rate of 7.93/1000 patient-years among those assigned canagliflozin and 9.62/1000 patient-years among placebo (hazard ratio, 0.87; 95% CI, 0.691.09). Analysis of stroke subtypes found no effect on ischemic stroke (n=253, hazard ratio, 0.95; 95% CI, 0.74-1.22), a significant reduction for hemorrhagic stroke (n=30, hazard ratio, 0.43; 95% CI, 0.20-0.89) and no effect on undetermined stroke (n=29, hazard ratio, 1.04; 95% CI, 0.48-2.22). Effects on other cardiovascular outcomes were comparable among participants with and without stroke or transient ischemic attack at baseline. Conclusions-There were too few events in the CANVAS Program to separately define the effects of canagliflozin on stroke, but benefit is more likely than harm. The observed possible protective effect for hemorrhagic stroke was based on small numbers but warrants further investigation.
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