{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,2]],"date-time":"2026-11-02T17:06:32Z","timestamp":1793639192702,"version":"4.5.1"},"reference-count":58,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2010,3,19]],"date-time":"2010-03-19T00:00:00Z","timestamp":1268956800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Ther Adv Neurol Disord"],"published-print":{"date-parts":[[2010,5]]},"abstract":"<jats:p> Reversible cerebral vasoconstriction syndrome (RCVS) is characterized by recurrent thunderclap headaches and reversible cerebral vasoconstrictions. RCVS is more common than previously thought and should be differentiated from aneurismal subarachnoid hemorrhage. RCVS can be spontaneous or evoked by pregnancy or exposure to vasoactive substances. Patients tend to be middle-aged women but pediatric patients have been seen. Up to 80% of sufferers have identifiable triggers. Thunderclap headaches tend to recur daily and last for a period of around 2 weeks, while the vasoconstrictions may last for months. About one-third of patients have blood pressure surges accompanying headache attacks. The potential complications of RCVS include posterior reversible encephalopathy syndrome, ischemic strokes over watershed zones, cortical subarachnoid hemorrhage and intracerebral hemorrhage. Magnetic resonance images including angiography and venography and lumbar punctures are the studies of choice, whereas catheter angiography should not be implemented routinely. Patients with a mean flow velocity of the middle cerebral artery greater than 120 cm\/s shown by transcranial color-coded sonography have a greater risk of ischemic complications than those without. The pathophysiology of RCVS remains unknown; sympathetic hyperactivity may play a role. Open-label trials showed calcium channel blockers, such as nimodipine may be an effective treatment in prevention of thunderclap headache attacks. In severe cases, intra-arterial therapy may be considered. Most patients with RCVS recover without sequelae; however, relapse has been reported in a small proportion of patients. <\/jats:p>","DOI":"10.1177\/1756285610361795","type":"journal-article","created":{"date-parts":[[2010,3,20]],"date-time":"2010-03-20T02:30:06Z","timestamp":1269052206000},"page":"161-171","source":"Crossref","is-referenced-by-count":104,"title":["Reversible cerebral vasoconstriction syndrome: an under-recognized clinical emergency"],"prefix":"10.1177","volume":"3","author":[{"given":"Shih-Pin","family":"Chen","sequence":"first","affiliation":[{"name":"Institute of Clinical Medicine and Faculty of Medicine, National Yang-Ming University School of Medicine, Taipei, Taiwan, Republic of China, Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jong-Ling","family":"Fuh","sequence":"additional","affiliation":[{"name":"Faculty of Medicine, National Yang-Ming University School of Medicine, Taipei, Taiwan, Republic of China, Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuu-Jiun","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, Faculty of Medicine, National Yang-Ming University School of Medicine, Taipei, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2010,3,19]]},"reference":[{"key":"atypb1","doi-asserted-by":"publisher","DOI":"10.1016\/S0929-8266(02)00045-9"},{"key":"atypb2","doi-asserted-by":"publisher","DOI":"10.3171\/jns.1961.18.6.0843"},{"key":"atypb3","doi-asserted-by":"publisher","DOI":"10.3174\/ajnr.A0929"},{"key":"atypb4","doi-asserted-by":"publisher","DOI":"10.3174\/ajnr.A0839"},{"key":"atypb5","doi-asserted-by":"publisher","DOI":"10.1111\/j.1748-1716.1981.tb06724.x"},{"key":"atypb6","first-page":"704","volume":"66","author":"Birnbaum, J.","journal-title":"Arch Neurol"},{"key":"atypb7","doi-asserted-by":"publisher","DOI":"10.1159\/000116388"},{"key":"atypb8","doi-asserted-by":"publisher","DOI":"10.1111\/j.1526-4610.2008.01211.x"},{"key":"atypb9","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMra052760"},{"key":"atypb10","doi-asserted-by":"publisher","DOI":"10.7326\/0003-4819-146-1-200701020-00007"},{"key":"atypb11","first-page":"2046","volume":"20","author":"Calabrese, L.H.","year":"1993","journal-title":"J Rheumatol"},{"key":"atypb12","doi-asserted-by":"publisher","DOI":"10.1161\/01.STR.19.9.1159"},{"key":"atypb13","doi-asserted-by":"publisher","DOI":"10.1002\/ana.21384"},{"key":"atypb14","doi-asserted-by":"publisher","DOI":"10.1212\/01.wnl.0000249115.63436.6d"},{"key":"atypb15","doi-asserted-by":"publisher","DOI":"10.1111\/j.1468-2982.2005.01063.x"},{"key":"atypb16","author":"Chen, S.P.","year":"2009","journal-title":"Ann Neurol"},{"key":"atypb17","doi-asserted-by":"publisher","DOI":"10.1038\/nrneurol.2009.114"},{"key":"atypb18","doi-asserted-by":"publisher","DOI":"10.1097\/00006123-200003000-00001"},{"key":"atypb19","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.72.1.6"},{"key":"atypb20","doi-asserted-by":"publisher","DOI":"10.1046\/j.1468-2982.1999.019002118.x"},{"key":"atypb21","doi-asserted-by":"publisher","DOI":"10.1046\/j.1468-2982.2003.00577.x"},{"key":"atypb22","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-510X(00)00376-2"},{"key":"atypb23","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/awm256"},{"key":"atypb24","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.2009.187856"},{"key":"atypb25","first-page":"153","volume":"29","author":"Ducros, A.","journal-title":"Cephalalgia"},{"key":"atypb26","doi-asserted-by":"publisher","DOI":"10.1111\/j.1468-2982.2008.01768.x"},{"key":"atypb27","doi-asserted-by":"publisher","DOI":"10.1007\/s12028-009-9221-0"},{"key":"atypb28","doi-asserted-by":"publisher","DOI":"10.1007\/s10406-005-0120-y"},{"key":"atypb29","doi-asserted-by":"publisher","DOI":"10.1002\/art.10797"},{"key":"atypb30","unstructured":"Headache Classification Subcommittee of the International Headache Society. 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