Association between different acute stroke therapies and development of post stroke seizures
Posted on 2018-05-03 - 05:00
Abstract Background Epilepsy is a major complication of stroke. We aimed to establish whether there is an association between intravenous thrombolysis, intra-arterial thrombolysis and post stroke seizure (PSS) development. Improved understanding of the relationship between reperfusion therapies and seizure development may improve post-stroke monitoring and follow-up. Methods This was a retrospective, multicentre cohort study conducted at the Royal Melbourne Hospital and Jingling Hospital Nanjing. We included patients with anterior circulation ischemic stroke admitted 2008–2015. Patients were divided into four treatment groups 1. IV-tPA only, 2. Intra-arterial therapies (IAT) only, 3. IAT + IV-tPA and 4. stroke unit care only (i.e. no IV-tPA or IAT). To assess the association between type of reperfusion treatment and seizure incidence we used multivariable logistic regression models adjusted for age, stroke severity, 3-month functional outcome and prognostic factors. Results There were 1375 stroke unit care-only patients, of whom 28 (2%) developed PSS. There were 363 patients who received only IV-tPA, of whom 21 (5.8%) developed PSS. There were 93 patients who received IAT only, of whom 12 (12.9%) developed PSS and 112 that received both IV-tPA + IAT, of which 5 (4.5%) developed PSS. All reperfusion treatments were associated with seizure development compared to stroke unit care-only patients: IV-tPA only adjusted odds ratio (aOR) 3.7, 95%CI 1.8–7.4, p < 0.0001; IAT aOR 5.5, 95%CI 2.1–14.3, p < 0.0001, IAT + IV-tPA aOR 3.4, 95% CI 0.98–11.8, p = 0.05. These aORs did not differ significantly between treatment groups (IV-tPA + IAT versus IV-tPA p = 0.89, IV-tPA + IAT versus IAT, p = 0.44). Conclusions Patients receiving thrombolytic or intra-arterial reperfusion therapies for acute ischemic stroke are at higher risk of epilepsy and may benefit from longer follow-up. No evidence for an additive or synergistic effect of treatment modality on seizure development was found.
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Naylor, Jillian; Thevathasan, Arthur; Churilov, Leonid; Guo, Ruibing; Xiong, Yunyun; Koome, Miriam; et al. (2018). Association between different acute stroke therapies and development of post stroke seizures. figshare. Collection. https://doi.org/10.6084/m9.figshare.c.4089746.v1
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AUTHORS (11)
JN
Jillian Naylor
AT
Arthur Thevathasan
LC
Leonid Churilov
RG
Ruibing Guo
YX
Yunyun Xiong
MK
Miriam Koome
ZC
Ziyi Chen
ZC
Ziyuan Chen
XL
Xinfeng Liu
PK
Patrick Kwan
BC
Bruce Campbell