{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T19:21:36Z","timestamp":1790796096032,"version":"4.1.0"},"reference-count":25,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2015,6,17]],"date-time":"2015-06-17T00:00:00Z","timestamp":1434499200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"National Research Foundation of Korea (NRF) Grant funded by the Korean Government","award":["2014R1A5A2010008"],"award-info":[{"award-number":["2014R1A5A2010008"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Neuroimaging"],"published-print":{"date-parts":[[2015,11]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>OBJECTIVE<\/jats:title><jats:p>Prognostic evaluation based on cortical vein score difference in stroke (PRECISE) score, a novel venous grading scale better predicted stroke outcomes. Henceforth, we aimed to describe and determine if a physiologically relevant combined arterial and venous grading scale (CRISP grading scale) is accurate in determining 90\u2010day stroke outcomes in patients with proximal arterial occlusion in the anterior circulation.<\/jats:p><\/jats:sec><jats:sec><jats:title>METHODS<\/jats:title><jats:p>Data are from the Keimyung Stroke Registry. Consecutive patients with M1 middle cerebral artery (MCA) or terminal internal carotid artery (ICA) occlusion on CT\u2010angiography (CTA) from May\u20102004 to July\u20102008 were included. The affected hemisphere \u2018four veins composite score\u2019 and \u2018arterial collaterals\u2019 were each graded \u2018good\u2019 and \u2018poor\u2019. On the combined scale, a \u2018good\u2019 grade represented a \u2018good\u2019 score on both scales and a \u2018poor\u2019 grade represented a \u2018poor\u2019 score on both scales. The \u2018other two\u2019 combinations were graded \u2018intermediate.\u2019<\/jats:p><\/jats:sec><jats:sec><jats:title>RESULTS<\/jats:title><jats:p>Eighty\u2010one patients were included in the study. Dummy variable regression analysis demonstrated that poor outcome was commonly seen in the group with poor arterial and venous grades [OR(95%CI); 48 (8.24, 279.598); <jats:italic>P<\/jats:italic> &lt; 0.00001] as opposed to poor arterial collaterals alone [OR(95%CI); 9.6(1.483,62.162); <jats:italic>P<\/jats:italic> = 0.018]. In multivariate analysis the CRISP grade [OR(95%CI); 2.638(1.192, 6.039), <jats:italic>P<\/jats:italic> = 0.017] and National Institutes of Health Stroke Scale [OR(95%CI);1.230(1.085, 1.395),<jats:italic>P<\/jats:italic> = 0.001(per unit increase)] emerged as the independent predictors of poor outcome (modified Rankin Scale &gt;2) when adjusted for other imaging predictors of outcome.<\/jats:p><\/jats:sec><jats:sec><jats:title>CONCLUSION<\/jats:title><jats:p>CRISP grading was precise in predicting stroke outcomes when compared to individual imaging scales including arterial collateral grading, PRECISE score and CTA\u2010SI ASPECTS in patients with proximal arterial occlusion in the anterior circulation.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jon.12260","type":"journal-article","created":{"date-parts":[[2015,6,17]],"date-time":"2015-06-17T08:37:14Z","timestamp":1434530234000},"page":"969-977","source":"Crossref","is-referenced-by-count":35,"title":["A Combined Arterial and Venous Grading Scale to Predict Outcome in Anterior Circulation Ischemic Stroke"],"prefix":"10.1111","volume":"25","author":[{"given":"Rajsrinivas","family":"Parthasarathy","sequence":"first","affiliation":[{"name":"Department of Medicine University of Alberta  Edmonton Alberta"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sung\u2010II","family":"Sohn","sequence":"additional","affiliation":[{"name":"Department of Neurology Institute for Brain Research, Keimyung University School of Medicine  Daegu South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Jeerakathil","sequence":"additional","affiliation":[{"name":"Department of Medicine University of Alberta  Edmonton Alberta"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mahesh P.","family":"Kate","sequence":"additional","affiliation":[{"name":"Department of Medicine University of Alberta  Edmonton 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