{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,31]],"date-time":"2026-01-31T06:25:44Z","timestamp":1769840744135,"version":"3.49.0"},"reference-count":26,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"12","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Stroke"],"published-print":{"date-parts":[[2019,12]]},"abstract":"<jats:sec>\n            <jats:title>Background and Purpose\u2014<\/jats:title>\n            <jats:p>Perfusion-based triage has proven to be effective and safe for selecting patients who are likely to benefit from endovascular thrombectomy (EVT) in a late time window. We investigated collateral-based triage for EVT in patients presenting beyond 6 hours, in terms of interrater reliability and efficacy in predicting clinical outcome, in comparison to perfusion-based triage.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods\u2014<\/jats:title>\n            <jats:p>One hundred and thirty-two patients who underwent both computed tomographic angiography and computed tomography perfusion for anterior circulation large artery occlusion 6 to 24 hours after last seen well were enrolled. Patients were classified into EVT-eligible and EVT-ineligible groups according to perfusion- and collateral-based triages. We evaluated the interrater reliability of collateral-based triage and differences in good outcome rates of patients who received EVT in the EVT-eligible groups based on perfusion- and collateral-based triages.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results\u2014<\/jats:title>\n            <jats:p>\n              Both computed tomographic angiography and computed tomography perfusion were assessable in 93 patients. Seventy-six patients were eligible for EVT according to perfusion-based triage. Among them, EVT was performed in 58, of whom 32 (55.1%) had good outcome. Sixty-nine patients were eligible for EVT based on collateral-based triage. Among them, EVT was performed in 50 patients, of whom 31 (62.0%) had good outcome. Interrater reliability of collateral-based triage was good (generalized \u03ba=0.73 [95% CI, 0.59\u20130.84]). Agreement on EVT eligibility between perfusion- and collateral-based triages was moderate (\u03ba=0.41 [95% CI, 0.16\u20130.61]). There was no difference in good outcome rates of patients who underwent EVT in the EVT-eligible groups based on perfusion- and collateral-based triages (55.1% versus 62.0%;\n              <jats:italic>P<\/jats:italic>\n              =0.0675).\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions\u2014<\/jats:title>\n            <jats:p>Collateral-based triage showed good interrater reliability and comparable efficacy to that of perfusion-based triage in predicting clinical outcome after EVT in patients presenting beyond 6 hours. Collateral-based triage is a reliable approach for selecting patients for EVT in the extended therapeutic time window.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/strokeaha.119.027216","type":"journal-article","created":{"date-parts":[[2019,10,31]],"date-time":"2019-10-31T09:02:20Z","timestamp":1572512540000},"page":"3465-3470","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":23,"title":["Comparison Between Perfusion- and Collateral-Based Triage for Endovascular Thrombectomy in a Late Time Window"],"prefix":"10.1161","volume":"50","author":[{"given":"Byungjun","family":"Kim","sequence":"first","affiliation":[{"name":"From the Department of Radiology, Korea University Anam Hospital, Korea University College of Medicine, Seoul (B.K.)"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cheolkyu","family":"Jung","sequence":"additional","affiliation":[{"name":"Department of Radiology (C.J., J.H.K.), Seoul National University Bundang Hospital, Seongnam, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hyo Suk","family":"Nam","sequence":"additional","affiliation":[{"name":"Department of Neurology, Severance Hospital Stroke Center (H.S.N., Y.D.K., J.H.H.), Yonsei University College of Medicine, Seoul, Republic of Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Byung Moon","family":"Kim","sequence":"additional","affiliation":[{"name":"Interventional Neuroradiology, Department of Radiology, Severance Stroke Center, Severance Hospital (B.M.K., D.J.K., J.-H.K.), Yonsei University College of Medicine, Seoul, Republic of Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Young Dae","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Neurology, Severance Hospital Stroke Center (H.S.N., Y.D.K., J.H.H.), Yonsei University College of Medicine, Seoul, Republic of Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ji Hoe","family":"Heo","sequence":"additional","affiliation":[{"name":"Department of Neurology, Severance Hospital Stroke Center (H.S.N., Y.D.K., J.H.H.), Yonsei University College of Medicine, Seoul, Republic of Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dong Joon","family":"Kim","sequence":"additional","affiliation":[{"name":"Interventional Neuroradiology, Department of Radiology, Severance Stroke Center, Severance Hospital (B.M.K., D.J.K., J.-H.K.), Yonsei University College of Medicine, Seoul, Republic of Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jun-Hwee","family":"Kim","sequence":"additional","affiliation":[{"name":"Interventional Neuroradiology, Department of Radiology, Severance Stroke Center, Severance Hospital (B.M.K., D.J.K., J.-H.K.), Yonsei University College of Medicine, Seoul, Republic of Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kyunghwa","family":"Han","sequence":"additional","affiliation":[{"name":"Department of Radiology, Research Institute of Radiological Science, Center for Clinical Imaging Data Science (K.H.), Yonsei University College of Medicine, Seoul, Republic of Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jae Hyoung","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Radiology (C.J., J.H.K.), Seoul National University Bundang Hospital, Seongnam, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Beom Joon","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Neurology (B.J.K.), Seoul National University Bundang Hospital, Seongnam, Republic of 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