{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T23:17:24Z","timestamp":1792019844322,"version":"4.4.0"},"reference-count":34,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"11","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Stroke"],"published-print":{"date-parts":[[2014,11]]},"abstract":"<jats:sec>\n            <jats:title>Background and Purpose\u2014<\/jats:title>\n            <jats:p>Little is known about high-signal lesions in magnetic resonance diffusion-weighted imaging (DWI [+]) after stenting for intracranial atherosclerotic stenosis. This study aimed to evaluate the incidence, distribution, risk factors, and clinical implications of DWI (+) after intracranial stenting.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods\u2014<\/jats:title>\n            <jats:p>A total of 123 patients (male:female=88:35, mean age, 64.1 years) with symptomatic intracranial atherosclerotic stenosis (mean stenosis, 76.1\u00b17.7%) underwent both stenting and poststenting DWI. The incidence, distribution (embolic-alone versus stenosis-associated perforator\/mixed), and risk factors of DWI (+) and its relationship with symptomatic ischemic complications (SIC, including stroke or transient ischemic attack) were retrospectively evaluated.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results\u2014<\/jats:title>\n            <jats:p>\n              Forty-three patients (35.0%) had DWI (+). Middle cerebral artery, smaller distal parent artery, and treatment-related dissection were independent risk factors for DWI (+) (\n              <jats:italic>P<\/jats:italic>\n              &lt;0.05). SIC occurred in 4 patients (3.3%), all of whom had DWI (+). Of the patients with DWI (+), neither the number nor the volume of DWI (+) differed significantly between SIC and asymptomatic patients: median number\/patient, 3.5 (range, 2\u201311) versus 2.0 (range, 1\u201311) and median volume\/patient, 329.8 mm\n              <jats:sup>3<\/jats:sup>\n              (range, 76\u2013883.5 mm\n              <jats:sup>3<\/jats:sup>\n              ) versus 119.5 mm\n              <jats:sup>3<\/jats:sup>\n              (range, 32.5\u2013873.0 mm\n              <jats:sup>3<\/jats:sup>\n              ). However, SIC occurred more frequently in the stenosis-associated perforator\/mixed type (3\/11, 27.3%) than in the embolic-alone type (1\/32, 3.1%;\n              <jats:italic>P<\/jats:italic>\n              &lt;0.05).\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions\u2014<\/jats:title>\n            <jats:p>The incidence of DWI (+) after intracranial stenting for intracranial atherosclerotic stenosis was 35.0%. Middle cerebral artery, smaller distal parent artery, and treatment-related dissection were independent risk factors for DWI (+). SIC occurred more frequently in the stenosis-associated perforator\/mixed type than in the embolic-alone type.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/strokeaha.114.006182","type":"journal-article","created":{"date-parts":[[2014,10,10]],"date-time":"2014-10-10T04:53:34Z","timestamp":1412916814000},"page":"3298-3303","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":8,"title":["Incidence and Risk Factors for Diffusion-Weighted Imaging (+) Lesions After Intracranial Stenting and Its Relationship With Symptomatic Ischemic Complications"],"prefix":"10.1161","volume":"45","author":[{"given":"Keun Young","family":"Park","sequence":"first","affiliation":[{"name":"From the Departments of Neurosurgery (K.Y.P.), Radiology (B.M.K., D.J.K., D.I.K.), and Neurology (J.H.H., H.S.N., Y.D.K., D.S.), Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Byung Moon","family":"Kim","sequence":"additional","affiliation":[{"name":"From the Departments of Neurosurgery (K.Y.P.), Radiology (B.M.K., D.J.K., D.I.K.), and Neurology (J.H.H., H.S.N., Y.D.K., D.S.), Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dong Joon","family":"Kim","sequence":"additional","affiliation":[{"name":"From the Departments of Neurosurgery (K.Y.P.), Radiology (B.M.K., D.J.K., D.I.K.), and Neurology (J.H.H., H.S.N., Y.D.K., D.S.), Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dong Ik","family":"Kim","sequence":"additional","affiliation":[{"name":"From the Departments of Neurosurgery (K.Y.P.), Radiology (B.M.K., D.J.K., D.I.K.), and Neurology (J.H.H., H.S.N., Y.D.K., D.S.), Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ji Hoe","family":"Heo","sequence":"additional","affiliation":[{"name":"From the Departments of Neurosurgery (K.Y.P.), Radiology (B.M.K., D.J.K., D.I.K.), and Neurology (J.H.H., H.S.N., Y.D.K., D.S.), Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hyo Suk","family":"Nam","sequence":"additional","affiliation":[{"name":"From the Departments of Neurosurgery (K.Y.P.), Radiology (B.M.K., D.J.K., D.I.K.), and Neurology (J.H.H., H.S.N., Y.D.K., D.S.), Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Young Dae","family":"Kim","sequence":"additional","affiliation":[{"name":"From the Departments of Neurosurgery (K.Y.P.), Radiology (B.M.K., D.J.K., D.I.K.), and Neurology (J.H.H., H.S.N., Y.D.K., D.S.), Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dongbeom","family":"Song","sequence":"additional","affiliation":[{"name":"From the Departments of Neurosurgery (K.Y.P.), Radiology (B.M.K., D.J.K., D.I.K.), and Neurology (J.H.H., H.S.N., Y.D.K., D.S.), Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1002\/ana.410410505"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1212\/WNL.49.1.113"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00234-002-0889-5"},{"key":"e_1_3_3_5_2","first-page":"385","article-title":"Diffusion-weighted imaging abnormalities after percutaneous transluminal angioplasty and stenting for intracranial atherosclerotic disease.","volume":"26","author":"Tsumoto T","year":"2005","unstructured":"Tsumoto T, Terada T, Tsuura M, Matsumoto H, Masuo O, Yamaga H, et al.. 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