{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T17:35:53Z","timestamp":1785605753320,"version":"3.56.0"},"reference-count":33,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,1]]},"abstract":"<jats:sec><jats:title>OBJECTIVE<\/jats:title><jats:p>Cerebral hyperperfusion syndrome (CHS) is a serious complication after carotid artery stenting (CAS). Staged angioplasty (SAP)\u2014i.e., angioplasty followed by delayed CAS\u2014has been reported as a potential CHS-avoiding procedure. The purpose of this study was to clarify the effectiveness of SAP in avoiding CHS after carotid revascularization for patients at high risk for this complication.<\/jats:p><\/jats:sec><jats:sec><jats:title>METHODS<\/jats:title><jats:p>The authors retrospectively studied cases involving patients at high risk for CHS from 44 Japanese centers who were scheduled for SAP, regular CAS, angioplasty, or staged procedures other than SAP between October 2007 and March 2014. They investigated the rate of CHS in the population scheduled for SAP or regular CAS, and for safety analysis, the composite rate of transient ischemic attack (TIA) and ischemic stroke in the population eventually receiving SAP or regular CAS.<\/jats:p><\/jats:sec><jats:sec><jats:title>RESULTS<\/jats:title><jats:p>Data from a total of 525 patients (532 lesions, mean age 72.5 \u00b1 7.5 years, 74 women ) were analyzed. Scheduled procedures included SAP for 113 lesions and regular CAS for 419 lesions. The rate of CHS was lower in the SAP group than in the regular CAS group (4.4% vs 10.5%, p = 0.047). Multivariate analysis showed that SAP was negatively related to CHS (OR 0.315; 95% CI 0.120\u20130.828). In the population eventually receiving SAP (102 lesions) or regular CAS (428 lesions), the composite rate of TIA and ischemic stroke was comparable between the SAP group and the regular CAS group (9.8% vs 9.3%).<\/jats:p><\/jats:sec><jats:sec><jats:title>CONCLUSIONS<\/jats:title><jats:p>SAP may be an effective and safe carotid revascularization procedure to avoid CHS.<\/jats:p><\/jats:sec>","DOI":"10.3171\/2018.8.jns18887","type":"journal-article","created":{"date-parts":[[2019,2,27]],"date-time":"2019-02-27T00:15:25Z","timestamp":1551226525000},"page":"51-61","source":"Crossref","is-referenced-by-count":19,"title":["Effectiveness of staged angioplasty for avoidance of cerebral hyperperfusion syndrome after carotid revascularization"],"prefix":"10.3171","volume":"132","author":[{"given":"Mikito","family":"Hayakawa","sequence":"first","affiliation":[{"name":"Departments of Cerebrovascular Medicine and"},{"name":"Division of Stroke Prevention and Treatment, Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kenji","family":"Sugiu","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, Okayama University Graduate School of Medicine, Okayama;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shinichi","family":"Yoshimura","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Hyogo College of Medicine, Nishinomiya;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomohito","family":"Hishikawa","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, Okayama University Graduate School of Medicine, Okayama;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroshi","family":"Yamagami","sequence":"additional","affiliation":[{"name":"Division of Stroke Care Unit, National Cerebral and Cardiovascular Center, Suita;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mayumi","family":"Fukuda-Doi","sequence":"additional","affiliation":[{"name":"Departments of Cerebrovascular Medicine and"},{"name":"Data Science, and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nobuyuki","family":"Sakai","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Kobe City Medical Center General Hospital, Kobe;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koji","family":"Iihara","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Graduate School of Medical Sciences Kyusyu University, Fukuoka;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kuniaki","family":"Ogasawara","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Iwate Medical University, Morioka;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hidenori","family":"Oishi","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery\/Neuroendovascular Therapy, Juntendo University Faculty of Medicine, Tokyo;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yasushi","family":"Ito","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Brain Research Institute, Niigata University, Niigata; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuji","family":"Matsumaru","sequence":"additional","affiliation":[{"name":"Division of Stroke Prevention and Treatment, Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"key":"b1","series-title":"Neurosurgery","doi-asserted-by":"publisher","first-page":"50","DOI":"10.1227\/00006123-198407000-00010","article-title":"Cerebral hyperperfusion after carotid endarterectomy: a cause of cerebral hemorrhage","volume":"15","author":"Bernstein M","year":"1984","unstructured":"Bernstein M, Fleming JF, Deck JH: Cerebral hyperperfusion after carotid endarterectomy: a cause of cerebral hemorrhage. 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