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B.1 Safety and effectiveness of intravenous thrombolysis for acute stroke patients in the Manitoba TeleStroke Program

Published online by Cambridge University Press:  10 July 2025

S Alcock
Affiliation:
(Winnipeg)*
M Ayroso
Affiliation:
(Winnipeg)
B Blackwood
Affiliation:
(Winnipeg)
R Marin
Affiliation:
(Winnipeg)
B Huang
Affiliation:
(Winnipeg)
A Alcock
Affiliation:
(Winnipeg)
R Trivedi
Affiliation:
(Winnipeg)
E Ghrooda
Affiliation:
(Winnipeg)
N Singh
Affiliation:
(Winnipeg)
A Trivedi
Affiliation:
(Winnipeg)
D McMillian
Affiliation:
(Winnipeg)
J Shankar
Affiliation:
(Winnipeg)
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Abstract

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Background: TeleStroke can improve access to stroke care in rural areas. We aim to evaluate the safety and effectiveness of intravenous thrombolysis in our TeleStroke system. Methods: The Manitoba TeleStroke program was rolled out across 7 sites between November 2014 and January 2019. We retrospectively analyzed prospectively collected consecutive acute stroke patients’ data in this duration. The primary outcome was safety and effectiveness measured in terms of 90-day modified Rankin score (mRs). The number of acute ischemic stroke (AIS) patients receiving thrombolysis and endovascular thrombectomy [EVT] and process metrics were also analyzed. R/RStudio version-4.3.2 was used (p<0.05). Results: Of the 1,748 TeleStroke patients (age 71 years [IQR 58-81], female 810[46.3%]), 696 were identified as AIS. Of these, 265(38.1%) received thrombolysis and 48(6.9%) EVT. Ninety-day mortality was 53(20.0%) among those receiving thrombolysis and 117(44.2%) had a favorable outcome (mRs ≤2). Of those who received intravenous thrombolysis, 9 patients (4.2%) were found to have symptomatic intracranial hemorrhage. The median last-seen-normal (LSN)-to-door was121 minutes and the median door-to-needle, 55 minutes. Conclusions: Intravenous thrombolysis was found to be effective with acceptable safety. TeleStroke improved overall access to stroke care and played an important role in identifying AIS patients eligible for thrombolysis and EVT.

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Abstracts
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of Canadian Neurological Sciences Federation