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- Appelros, Peter, et al.
(författare)
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Trends in baseline patient characteristics during the years 1995-2008 : observations from Riks-Stroke, the Swedish Stroke Register.
- 2010
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Ingår i: Cerebrovascular Diseases. - : S. Karger AG. - 1015-9770 .- 1421-9786. ; 30:2, s. 114-119
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Reported improvements in outcome in stroke patients treated in hospital are often attributed to advances in stroke care. However, secular trends in patient characteristics that are present already on admission to hospital may also contribute to improved outcome. METHODS: Time trends for baseline data (289,854 stroke admittances) in Riks-Stroke, the Swedish national quality register for stroke care, were analyzed for the years 1995 through 2008. The following data were included: number of strokes for each year, age, sex, risk factors, stroke subtype, stroke severity, functional status and need of external home service before the stroke. RESULTS: The number of annually reported strokes increased until 2005. The proportion of recurrent strokes decreased from 28.0 to 25.9%. The mean age at first-ever stroke increased in women, but not in men. The proportion of smokers dropped, and the proportion of patients who had treated hypertension increased. The stroke severity decreased in men. The prestroke functional status (walking, dressing, toileting) improved in both sexes over these years. More patients lived alone in 2008 than in 1995, and more had home help service. CONCLUSIONS: Many baseline parameters in Riks-Stroke have changed over the years. This has consequences for the interpretation of outcome data. Some changes may be due to inclusion bias, others due to alterations in general health, evolution of vascular risk factors or demographics.
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| 2. |
- Appelros, Peter, 1953-, et al.
(författare)
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Trends in Stroke Treatment and Outcome between 1995 and 2010 : Observations from Riks-Stroke, the Swedish Stroke Register
- 2014
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Ingår i: Cerebrovascular Diseases. - : S. Karger AG. - 1015-9770 .- 1421-9786. ; 37:1, s. 22-29
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Tidskriftsartikel (refereegranskat)abstract
- Background: Continuous changes in stroke treatment and care, as well as changes in stroke characteristics, may alter stroke outcome over time. The aim of this paper is to describe time trends for treatment and outcome data, and to discuss if any such changes could be attributed to quality changes in stroke care. Methods: Data from Riks-Stroke, the Swedish stroke register, were analyzed for the time period of 1995 through 2010. The total number of patients included was 320,181. The following parameters were included: use of computed tomography (CT), stroke unit care, thrombolysis, medication before and after the stroke, length of stay in hospital, and discharge destination. Three months after stroke, data regarding walking, toileting and dressing ability, as well social situation, were gathered. Survival status after 7, 27 and 90 days was registered. Results: In 1995, 53.9% of stroke patients were treated in stroke units. In 2010 this proportion had increased to 87.5%. Fewer patients were discharged to geriatric or rehabilitation departments in later years (23.6% in 2001 compared with 13.4% in 2010), but more were discharged directly home (44.2 vs. 52.4%) or home with home rehabilitation (0 vs. 10.7%). The need for home help service increased from 18.2% in 1995 to 22.1% in 2010. Regarding prevention, more patients were on warfarin, antihypertensives and statins both before and after the stroke. The functional outcome measures after 3 months did improve from 2001 to 2010. In 2001, 83.8% of patients were walking independently, while 85.6% were independent in 2010. For toileting, independence increased from 81.2 to 84.1%, and for dressing from 78.0 to 80.4%. Case fatality (CF) rates after 3 months increased from 18.7% (2001) to 20.0% (2010). This trend is driven by patients with severe strokes. Conclusions: Stroke outcomes may change over a relatively short time period. In some ways, the quality of care has improved. More stroke patients have CT, more patients are treated in stroke units and more have secondary prevention. Patients with milder strokes may have benefited more from these measures than patients with severe strokes. Increased CF rates for patients with severe stroke may be caused by shorter hospital stays, shorter in-hospital rehabilitation periods and lack of suitable care after discharge from hospital.
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| 3. |
- Asplund, Kjell
(författare)
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Att mäta vårdens kvalitet
- 2010
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Ingår i: Allmänmedicin. ; :3, s. 5-7
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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| 4. |
- Asplund, Kjell, et al.
(författare)
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Country comparisons of human stroke research since 2001 : a bibliometric study
- 2012
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Ingår i: Stroke. - : American Heart Association. - 0039-2499 .- 1524-4628. ; 43:3, s. 830-837
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND AND PURPOSE: This is the first bibliometric comparison between countries of the development of stroke research over time. METHODS: Clinical and epidemiological articles on stroke published 2001 to mid-2011 were identified in Science Citation Index Expanded. Article fractions, citation fractions, h-index, and international collaboration were calculated using the BibExcel software and adjusted for population size and gross domestic product. RESULTS: The United States dominated with 28.7% of the sum of article fractions and 36.2% of the sum of citation fractions. The United States, Japan, the United Kingdom, and Germany together accounted for 52.1% of articles and 61.0% of citations. When adjusted for population size or gross domestic product, several small European countries, together with Israel and Taiwan, ranked the highest. Per population, there was a negative association (r=0.60) between burden of stroke (disability-adjusted life-years lost) and number of articles per population. In China, South Korea, and Singapore, the annual growth of stroke articles was more than twice the worldwide average. Whereas multinational collaboration was common within Europe and North America, it was relatively uncommon between Asian countries. CONCLUSIONS: The Big 4 in scientific literature on stroke, as to both number of articles and citations, are the United States, Japan, the United Kingdom, and Germany. Many small European countries have, in relation to their size, a high scientific production. Several countries with rapidly expanding economies have very fast growth of scientific production on stroke. Our results emphasize the need for stroke research in countries with a high population burden of stroke and they highlight the role of multinational collaboration.
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| 6. |
- Asplund, Kjell, et al.
(författare)
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Effects of Extending the Time Window of Thrombolysis to 4.5 Hours : Observations in the Swedish Stroke Register (Riks-Stroke)
- 2011
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Ingår i: Stroke. - New York : American Heart Association. - 0039-2499 .- 1524-4628. ; 42:9, s. 2492-2497
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Tidskriftsartikel (refereegranskat)abstract
- Background and Purpose: The European Cooperative Acute Stroke Study (ECASS) III trial and Safe Implementation of Thrombolysis in Stroke–International Stroke Thrombolysis Register (SITS-ISTR) data were published in 2008. Riks-Stroke, the Swedish Stroke Register, was used to explore how thrombolysis in the 3- to 4.5-hour window has been spread in different hospitals and patient groups and what effects this has had on treatment within 3 hours.Methods: All 76 hospitals in Sweden admitting patients with acute stroke participate in Riks-Stroke. During the study period, January 2003 to June 2010, 92 150 18- to 80-year-old patients were hospitalized for acute ischemic stroke.Results: After the publication of the ECASS III results in the third quarter of 2008, thrombolysis in the 3- to 4.5-hour window increased from 0.5% before publication to 2.1% in 2010. Thrombolysis in the 3- to 4.5-hour window spread somewhat faster in men than women (P=0.04) but at a similar rate in different age groups. The use of thrombolysis within 3 hours after onset of symptoms increased successively from 0.9% in 2003 to 6.6% in late 2008 and then it stabilized at 6%. The median time from arrival to the hospital to start of treatment remained unchanged at 66 to 69 minutes before and after 2008 (P=0.06).Conclusions: Since the end of 2008, there has been a rapid nationwide dissemination of thrombolysis in the 3- to 4.5-hour window, whereas rates in the <3-hour window have leveled off. The extended time window has not affected door-to-needle time.
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| 7. |
- Asplund, Kjell, et al.
(författare)
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Hemikraniektomi är livräddande, visar Riks-Stroke : erfarenheter av ingreppet vid malign hjärninfarkt och intracerebral blödning
- 2014
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Ingår i: Läkartidningen. - : Sveriges läkarförbund. - 0023-7205 .- 1652-7518. ; 111:3-4
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Tidskriftsartikel (refereegranskat)abstract
- From 2009 to mid-2013, 229 hemicraniectomies were reported in Riks-Stroke, of which 43 were performed in patients with intracerebral hemorrhage. In patients with brain infarction, it was performed in 0.19% (all ages) and 1.07% (below 60 years), higher than reported from the US. Of the hemicraniectomies, 45% were performed in patients above 60 years. Survival was 83% at 3 months and 81% at 12 months, similar to survival reported in the literature. Three months after hemicraniectomy, 69% of survivors responded to a follow-up questionnaire. Of these, 31% were independent in personal ADL and 46% were living at home. Case fatality was higher but functional outcome in survivors was similar in patients above 60 years compared to below 60. In conclusion, outcomes are similar in Sweden to those reported in randomized trials and international observational studies. With proper patient selection, it seems that hemicraniectomy may also benefit patients above 60 years.
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