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Neurology. 2013 Mar 5;80(10):919-25. doi: 10.1212/WNL.0b013e3182840c35. Epub 2013 Feb 13.

Long-term outcome in stroke patients treated with IV thrombolysis.

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1
Department of Neurology, University Hospital Basel, Switzerland. gensickeh@uhbs.ch

Abstract

OBJECTIVES:

Data on long-term outcome after IV thrombolysis (IVT) are sparse. Our goals were to 1) estimate annual survival, and 2) evaluate determinants for an unfavorable long-term outcome after IVT for stroke.

METHODS:

This observational study is based on the IVT registry of the University Hospital Basel. A structured telephone interview was used to ascertain information about long-term outcome (1 year to 10 years after IVT). Primary outcome parameters were 1) death and 2) excellent outcome (modified Rankin Scale scores 0 and 1). Kaplan-Meier survival estimates were calculated. Uni- and multivariate logistic regression analyses were performed to identify variables independently determining long-term outcome.

RESULTS:

Two hundred fifty-seven IVT-treated stroke patients were eligible for analysis. Median time of follow-up was 3.0 years (interquartile range 1.0-5.0). Probability of surviving after IVT was 76% after 1 year, 66% after 3 years, and 53% after 4 years. After a median of 3 years, 37% of patients had an excellent outcome. Independent predictors for unfavorable long-term outcome were advanced age (odds ratio [OR] 1.030, 95% confidence interval [CI] 1.002-1.060, p = 0.036), higher stroke severity (OR 1.100, 95% CI 1.012-1.196, p = 0.026), unfavorable 3-month outcome (OR 6.767, 95% CI 3.391-13.503, p < 0.001), and occurrence of epileptic seizures (OR 4.899, 95% CI 1.349-17.793, p = 0.016). Intracranial hemorrhage, comorbidity, sex, initial glucose or C-reactive protein levels, and stroke etiology did not independently influence long-term outcome.

CONCLUSION:

At 3 years after IVT, approximately 1 of 3 stroke patients had an excellent outcome, and 1 of 3 had died. Epileptic seizures seem to have an unfavorable effect on long-term outcome via a mechanism that remains to be clarified.

PMID:
23408871
DOI:
10.1212/WNL.0b013e3182840c35
[Indexed for MEDLINE]
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