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- W3137409252 abstract "Objective: To develop a simple and objective score using clinical variables and quantified perfusion measures to identify embolic stroke with large vessel occlusions. Methods: Eligible patients from the Chinese centers participating in the International Stroke Perfusion Imaging Registry were included in this study. Patients were split into a derivation cohort (n=213) and a validation cohort (n=116). A score was developed according to the coefficients of independent predictors of embolic stroke from stepwise logistic regression model in the derivation cohort. The performance of the score was validated by assessing its discrimination and calibration. Additionally, a comparison between the area under curve (AUC) of history of atrial fibrillation (AF) alone and history of AF plus the score was also conducted. Results: The independent predictors of embolic stroke made up the Chinese Embolic Stroke Score (CHESS). There were: age (≥64 years, 1 point), non-smoking history (1 point), non-hypertension history (1 point) , baseline NIH Stroke Scale (≥14, 1 point) and delay time>6s volume/delay time>3s volume on perfusion imaging (≥0.23, 2 points). The AUC of CHESS in the derivation cohort and validation cohort were 0.80 and 0.72 respectively. Calibration tests indicated high agreement between predicted and observed probabilities. The AUC of AF-plus-CHESS compared to history of AF alone was significant (derivation cohort P<0.001; validation cohort P=0.01). Conclusions: In a Chinese population, CHESS reliably and independently identified embolic stroke as the cause of large vessel occlusion." @default.
- W3137409252 created "2021-03-29" @default.
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- W3137409252 date "2021-03-01" @default.
- W3137409252 modified "2023-09-23" @default.
- W3137409252 title "Abstract P558: Identification of Embolic Stroke in Patients With Large Vessel Occlusion" @default.
- W3137409252 doi "https://doi.org/10.1161/str.52.suppl_1.p558" @default.
- W3137409252 hasPublicationYear "2021" @default.
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