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P.179 Delays in transfer of rural aneurysmal subarachnoid hemorrhage patients in British Columbia

Published online by Cambridge University Press:  10 July 2025

AD Rebchuk
Affiliation:
(Vancouver)
MA Rizzuto
Affiliation:
(Vancouver)
C Kim
Affiliation:
(Vancouver)
H McHugh
Affiliation:
(Vancouver)
MK Heran
Affiliation:
(Vancouver)
WC Guest
Affiliation:
(Vancouver)
AC Rohr
Affiliation:
(Vancouver)
D Chen
Affiliation:
(Vancouver)
K Cruz
Affiliation:
(Vancouver)
CS Haw
Affiliation:
(Vancouver)
GJ Redekop
Affiliation:
(Vancouver)
PA Gooderham
Affiliation:
(Vancouver)
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Abstract

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Background: Treatment of aneurysmal subarachnoid hemorrhage (aSAH) in a high-volume center by experienced cerebrovascular and neuroendovascular surgeons improves outcomes. We studied whether rural aSAH patients experience treatment delays in British Columbia. Methods: Vancouver Ruptured Aneurysm Database (VRAD) started in 2023 to prospectively capture consecutive aSAH patients at Vancouver General Hospital (VGH), an academic neurosurgical hospital with comprehensive stroke center capabilities. We included patients ≥18 years-old, presenting ≤72h post-ictus and excluded untreated aneurysms and patients not residing in British Columbia. Patients were classified as rural or urban using the provincial government categorization of rurality. Results: We included 84 patients, 65.5% urban and 34.5% rural, with mean age 57.7 years (SD: 15.6) and 64.3% female. Aneurysm treatment consisted of 75% microsurgical clipping and 25% endovascular techniques. Median time from ictus to VGH was 5.9h [IQR: 2.6-16.6] urban and 13.2h [IQR: 8.3-27.8] rural, p=0.001. Median transfer time was 4.7h [IQR: 2.5-8.8] urban and 11.9h [IQR: 6.7-13.5] rural, p=0.006. Ictus to treatment time was 5.9h longer for rural patients, p=0.077. Conclusions: Rural aSAH patients in British Columbia take 7.3 hours longer to reach a neurosurgical center capable of comprehensive aneurysm treatment compared to urban patients. Improved inter-hospital transfer systems may reduce geographic disparities for aSAH in British Columbia.

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