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Prospective observational multi-center intervention study. The study aims to evaluate whether an artificial intelligence (AI) support tool for radiological image processing (StrokeSens, Circle NVI) can accelerate decision making and increase detection rate in patients with an acute ischemic stroke caused by intracranial large vessel occlusion (LVO) or medium vessel occlusion (MeVO) in Northern Norway. Relevant outcomes will be compared between centres with and without available software during the study period.
Full description
This study aims to evaluate whether an AI support tool (StrokeSens, Circle NVI) can accelerate decision making and increase detection rate in patients with an acute ischemic stroke caused by intracranial large vessel occlusion (LVO) or medium vessel occlusion (MeVO) in Northern Norway. The software will be a decision support tool in addition to standard radiological services where image interpretation is done by a radiologist or resident in radiology. The AI-tool will be available in 5 of 10 primary hospitals in Northern Norway. The AI-software employed in this study can automatically evaluate the presence of ischemic changes in the vascular territory of the middle cerebral artery according to the Alberta Stroke Program Early CT Score (ASPECTS) and detect occlusions in the intracranial segment of the internal carotid artery and the proximal segments of the middle cerebral artery (MCA).
The main goal of this project is to evaluate if access to the AI-software:
The secondary goal is to evaluate:
Hypothesis: Implementation of AI-based image analysis software as a decision support tool for radiologists, reduces time from imaging to transfer request in patients harbouring LVO/MeVO, and increases detection rate of large and medium sized vessel intracranial occlusion compared to the present day practices in primary stroke centres within the health region.
All outcomes will be a compared between primary stroke centres with and without access to the AI-software and historical data from the same sites as collected prior to software implementation (2019-2022).
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1,000 participants in 2 patient groups
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Jon André Totland, MD; Agnethe Eltoft, MD, PhD
Data sourced from clinicaltrials.gov
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