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Effects of Extending the Time Window of Thrombolysis to 4.5 Hours: Observations in the Swedish Stroke Register (Riks-Stroke)
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Medicin.
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Medicin.
Umeå universitet, Samhällsvetenskapliga fakulteten, Statistiska institutionen.
2011 (engelsk)Inngår i: Stroke, ISSN 0039-2499, E-ISSN 1524-4628, Vol. 42, nr 9, s. 2492-2497Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

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.

sted, utgiver, år, opplag, sider
New York: American Heart Association , 2011. Vol. 42, nr 9, s. 2492-2497
Emneord [en]
acute ischemic stroke, delay of treatment, implementation, rtPA, thrombolysis
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-46593DOI: 10.1161/STROKEAHA.111.618587ISI: 000294342800032PubMedID: 21799155OAI: oai:DiVA.org:umu-46593DiVA, id: diva2:439267
Tilgjengelig fra: 2011-09-07 Laget: 2011-09-07 Sist oppdatert: 2018-06-08bibliografisk kontrollert

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