ArticleFrontiers in neurology
Artificial intelligence-assisted detection of challenging ischemic stroke on diffusion-weighted imaging: a reader study.
Article in Frontiers in neurology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
Background and purpose: To evaluate the effect of artificial intelligence (AI) assistance on the diagnostic performance of human readers for detecting challenging acute ischemic stroke (AIS) lesions on diffusion-weighted MRI. Methods: This retrospective, single-center, randomized crossover study included 3,986 patients (mean age, 68 ± 14 years; 2,383 men) who underwent initial and follow-up diffusion-weighted imaging (DWI) between February 2017 and November 2021. From this cohort, 250 cases (130 challenging AIS, 120 controls) were selected for a multi-reader performance study. Five readers interpreted cases with and without AI assistance. Diagnostic performance was evaluated using the area under the receiver operating characteristic curve (AUC), sensitivity, specificity, and Dice similarity coefficient (DSC). Results: AI achieved a sensitivity of 96.0% and identified 79.6% (43 of 54) of false-negative stroke cases from clinical reports. AI-assisted reading significantly improved AUC from 0.85 (95% CI: 0.82-0.90) to 0.93 (95% CI: 0.90-0.95; Conclusions: AI assistance significantly improved diagnostic performance and lesion segmentation accuracy in detecting small and hyperacute AIS lesions on DWI.
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