Abstract:
BACKGROUND AND PURPOSE:Efficacy of intravenous thrombolysis in acute ischemic stroke declines with increasing time to treatment initiation. Previous small-scale studies suggested that the earlier patients arrive, the longer it takes to administer recombinant tissue plasminogen activator. METHODS:Of 32 529 patients with stroke prospectively enrolled in the Austrian Stroke Unit Registry (2004 to 2009), 3287 received intravenous thrombolysis and 2663 of them were eligible for the current analysis. RESULTS:Median (interquartile range) onset-to-door and door-to-needle times were 70 (50 to 100) and 50 (35 to 70) minutes. Of note, both time intervals were inversely correlated with each other. After adjustment for multiple stroke characteristics, the door-to-needle time of patients arriving in the hospital within the first hour after stroke onset was 6.9 minutes (P<0.001) and 13.9 minutes (P<0.001) longer than those for patients arriving between 61 to 120 and 121 to 180 minutes. Findings were consistent in subgroups. CONCLUSIONS:Early hospital arrival translates into a significant delay in the application of intravenous thrombolysis among patients with acute stroke. This finding calls for concerted measures to ensure that all patients with stroke are treated with the same urgency irrespective of the time available.
journal_name
Strokejournal_title
Strokeauthors
Ferrari J,Knoflach M,Kiechl S,Willeit J,Matosevic B,Seyfang L,Lang W,Austrian Stroke Unit Registry Collaborators.doi
10.1161/STROKEAHA.110.590372subject
Has Abstractpub_date
2010-09-01 00:00:00pages
2001-4issue
9eissn
0039-2499issn
1524-4628pii
STROKEAHA.110.590372journal_volume
41pub_type
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