{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T20:54:49Z","timestamp":1767905689618,"version":"3.49.0"},"reference-count":33,"publisher":"Elsevier BV","issue":"4","license":[{"start":{"date-parts":[[2013,4,1]],"date-time":"2013-04-01T00:00:00Z","timestamp":1364774400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2013,4,1]],"date-time":"2013-04-01T00:00:00Z","timestamp":1364774400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2017,12,4]],"date-time":"2017-12-04T00:00:00Z","timestamp":1512345600000},"content-version":"vor","delay-in-days":1708,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"funder":[{"DOI":"10.13039\/501100001734","name":"University of Copenhagen","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100001734","id-type":"DOI","asserted-by":"crossref"}]},{"name":"scientific board"},{"name":"of the"},{"name":"University Hospital of Copenhagen"}],"content-domain":{"domain":["bjanaesthesia.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["British Journal of Anaesthesia"],"published-print":{"date-parts":[[2013,4]]},"DOI":"10.1093\/bja\/aes458","type":"journal-article","created":{"date-parts":[[2012,12,20]],"date-time":"2012-12-20T21:56:12Z","timestamp":1356040572000},"page":"577-585","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":16,"title":["Transcranial Doppler velocimetry in aneurysmal subarachnoid haemorrhage: intra- and interobserver agreement and relation to angiographic vasospasm and mortality"],"prefix":"10.1016","volume":"110","author":[{"given":"J.M.","family":"Staals\u00f8","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T.","family":"Edsen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B.","family":"Romner","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N.V.","family":"Olsen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1093\/bja\/aes458_bib1","doi-asserted-by":"crossref","first-page":"306","DOI":"10.1016\/S0140-6736(07)60153-6","article-title":"Subarachnoid haemorrhage","volume":"369","author":"van Gijn","year":"2007","journal-title":"Lancet"},{"key":"10.1093\/bja\/aes458_bib2","doi-asserted-by":"crossref","first-page":"660","DOI":"10.3171\/jns.1951.8.6.0660","article-title":"Arteriographic demonstration of spasm of the intracranial arteries, with special reference to saccular arterial aneurysms","volume":"8","author":"Ecker","year":"1951","journal-title":"J Neurosurg"},{"key":"10.1093\/bja\/aes458_bib3","doi-asserted-by":"crossref","first-page":"259","DOI":"10.1093\/bja\/aei004","article-title":"Trends in monitoring patients with aneurysmal subarachnoid haemorrhage","volume":"94","author":"Springborg","year":"2005","journal-title":"Br J Anaesth"},{"key":"10.1093\/bja\/aes458_bib4","doi-asserted-by":"crossref","first-page":"1101","DOI":"10.3171\/JNS-07\/12\/1101","article-title":"Vasospasm probability index: a combination of transcranial doppler velocities, cerebral blood flow, and clinical risk factors to predict cerebral vasospasm after aneurysmal subarachnoid hemorrhage","volume":"107","author":"Gonzalez","year":"2007","journal-title":"J Neurosurg"},{"key":"10.1093\/bja\/aes458_bib5","doi-asserted-by":"crossref","first-page":"981","DOI":"10.1007\/s00134-006-0173-y","article-title":"Applications of transcranial Doppler in the ICU: a review","volume":"32","author":"White","year":"2006","journal-title":"Intensive Care Med"},{"key":"10.1093\/bja\/aes458_bib6","doi-asserted-by":"crossref","first-page":"37","DOI":"10.3171\/jns.1984.60.1.0037","article-title":"Evaluation of cerebrovascular spasm with transcranial Doppler ultrasound","volume":"60","author":"Aaslid","year":"1984","journal-title":"J Neurosurg"},{"key":"10.1093\/bja\/aes458_bib7","doi-asserted-by":"crossref","first-page":"21","DOI":"10.1080\/02688690701210539","article-title":"The reproducibility of transcranial Doppler middle cerebral artery velocity measurements: implications for clinical practice","volume":"21","author":"McMahon","year":"2007","journal-title":"Br J Neurosurg"},{"key":"10.1093\/bja\/aes458_bib8","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1016\/0301-5629(90)90080-V","article-title":"A validation study on the reproducibility of transcranial Doppler velocimetry","volume":"16","author":"Maeda","year":"1990","journal-title":"Ultrasound Med Biol"},{"key":"10.1093\/bja\/aes458_bib9","doi-asserted-by":"crossref","first-page":"233","DOI":"10.1016\/0301-5629(94)90063-9","article-title":"A validation study on the intraobserver reproducibility of transcranial color-coded duplex sonography velocity measurements","volume":"20","author":"Baumgartner","year":"1994","journal-title":"Ultrasound Med Biol"},{"key":"10.1093\/bja\/aes458_bib10","doi-asserted-by":"crossref","first-page":"173","DOI":"10.1016\/0301-5629(92)90128-W","article-title":"Reproducibility of transcranial Dopplersonography: a validation study","volume":"18","author":"Totaro","year":"1992","journal-title":"Ultrasound Med Biol"},{"key":"10.1093\/bja\/aes458_bib11","doi-asserted-by":"crossref","first-page":"179","DOI":"10.1023\/A:1009925811965","article-title":"Interobserver variability of the transcranial Doppler ultrasound technique: impact of lack of practice on the accuracy of measurement","volume":"15","author":"Shen","year":"1999","journal-title":"J Clin Monit Comput"},{"key":"10.1093\/bja\/aes458_bib12","doi-asserted-by":"crossref","first-page":"85","DOI":"10.1002\/uog.122","article-title":"Applying the right statistics: analyses of measurement studies","volume":"22","author":"Bland","year":"2003","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1093\/bja\/aes458_bib13","doi-asserted-by":"crossref","first-page":"183","DOI":"10.3171\/jns.1993.78.2.0183","article-title":"Use of transcranial Doppler sonography to predict development of a delayed ischemic deficit after subarachnoid hemorrhage","volume":"78","author":"Grosset","year":"1993","journal-title":"J Neurosurg"},{"key":"10.1093\/bja\/aes458_bib14","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1080\/bjn.10.1.19","article-title":"Is transcranial Doppler sonography useful in detecting late cerebral ischaemia after aneurysmal subarachnoid haemorrhage?","volume":"10","author":"Ekelund","year":"1996","journal-title":"Br J Neurosurg"},{"key":"10.1093\/bja\/aes458_bib15","doi-asserted-by":"crossref","first-page":"316","DOI":"10.1227\/01.NEU.0000349209.69973.88","article-title":"Transcranial Doppler for predicting delayed cerebral ischemia after subarachnoid hemorrhage","volume":"65","author":"Carrera","year":"2009","journal-title":"Neurosurgery"},{"key":"10.1093\/bja\/aes458_bib16","doi-asserted-by":"crossref","first-page":"2292","DOI":"10.1161\/hs1001.097108","article-title":"Transcranial Doppler versus angiography in patients with vasospasm due to a ruptured cerebral aneurysm: a systematic review","volume":"32","author":"Lysakowski","year":"2001","journal-title":"Stroke"},{"key":"10.1093\/bja\/aes458_bib17","doi-asserted-by":"crossref","first-page":"21","DOI":"10.1002\/jcu.1870230105","article-title":"Measurement of blood flow velocity in the basal cerebral circulation: advantages of transcranial color-coded sonography over conventional transcranial Doppler","volume":"23","author":"Martin","year":"1995","journal-title":"J Clin Ultrasound"},{"key":"10.1093\/bja\/aes458_bib18","doi-asserted-by":"crossref","first-page":"776","DOI":"10.3171\/jns.1993.78.5.0776","article-title":"Comparative study of transcranial color duplex sonography and transcranial Doppler sonography in adults","volume":"78","author":"Sch\u00f6ning","year":"1993","journal-title":"J Neurosurg"},{"key":"10.1093\/bja\/aes458_bib19","doi-asserted-by":"crossref","first-page":"994","DOI":"10.1161\/STROKEAHA.108.191395","article-title":"Guidelines for the management of aneurysmal subarachnoid hemorrhage: a statement for healthcare professionals from a special writing group of the Stroke Council, American Heart Association","volume":"40","author":"Bederson","year":"2009","journal-title":"Stroke"},{"key":"10.1093\/bja\/aes458_bib20","series-title":"lme4: Linear mixed-effects models using S4 classes","author":"Bates","year":"2011"},{"key":"10.1093\/bja\/aes458_bib21","series-title":"R: A Language and Environment for Statistical Computing","year":"2011"},{"key":"10.1093\/bja\/aes458_bib22","doi-asserted-by":"crossref","first-page":"571","DOI":"10.1080\/10543400701329422","article-title":"Agreement between methods of measurement with multiple observations per individual","volume":"17","author":"Bland","year":"2007","journal-title":"J Biopharm Stat"},{"key":"10.1093\/bja\/aes458_bib23","doi-asserted-by":"crossref","first-page":"1457","DOI":"10.1136\/jnnp.51.11.1457","article-title":"A universal subarachnoid hemorrhage scale: report of a committee of the World Federation of Neurosurgical Societies","volume":"51","author":"Teasdale","year":"1988","journal-title":"J Neurol Neurosurg Psychiatry"},{"key":"10.1093\/bja\/aes458_bib24","doi-asserted-by":"crossref","first-page":"561","DOI":"10.1093\/clinchem\/39.4.561","article-title":"Receiver-operating characteristic (ROC) plots: a fundamental evaluation tool in clinical medicine","volume":"39","author":"Zweig","year":"1993","journal-title":"Clin Chem"},{"key":"10.1093\/bja\/aes458_bib25","doi-asserted-by":"crossref","first-page":"563","DOI":"10.1097\/00003246-200203000-00011","article-title":"Continuous measurement of cerebral blood flow velocity using transcranial Doppler reveals significant moment-to-moment variability of data in healthy volunteers and in patients with subarachnoid hemorrhage","volume":"30","author":"Venkatesh","year":"2002","journal-title":"Crit Care Med"},{"key":"10.1093\/bja\/aes458_bib26","doi-asserted-by":"crossref","first-page":"213","DOI":"10.2214\/ajr.172.1.9888770","article-title":"Transcranial color Doppler sonography of basal arteries in 182 subjects: age and sex variability and normal reference values for blood flow parameters","volume":"172","author":"Krejza","year":"1999","journal-title":"Am J Roentgenol"},{"key":"10.1093\/bja\/aes458_bib27","doi-asserted-by":"crossref","first-page":"59","DOI":"10.3171\/jns.1985.62.1.0059","article-title":"Cerebrovascular reactivity in patients with ruptured intracranial aneurysms","volume":"62","author":"Voldby","year":"1985","journal-title":"J Neurosurg"},{"key":"10.1093\/bja\/aes458_bib28","doi-asserted-by":"crossref","first-page":"1994","DOI":"10.1136\/bmj.309.6957.780","article-title":"Statistics notes: some examples of regression towards the mean","volume":"309","author":"Bland","year":"1994","journal-title":"Br Med J"},{"key":"10.1093\/bja\/aes458_bib29","doi-asserted-by":"crossref","first-page":"927","DOI":"10.1097\/00005373-199712000-00010","article-title":"Analysis of heart-rate variability: a noninvasive predictor of death and poor outcome in patients with severe head injury","volume":"43","author":"Winchell","year":"1997","journal-title":"J Trauma"},{"key":"10.1093\/bja\/aes458_bib30","doi-asserted-by":"crossref","first-page":"3008","DOI":"10.1097\/CCM.0b013e31818b38d2","article-title":"Glycemic variability: a strong independent predictor of mortality in critically ill patients","volume":"36","author":"Krinsley","year":"2008","journal-title":"Crit Care Med"},{"key":"10.1093\/bja\/aes458_bib31","doi-asserted-by":"crossref","DOI":"10.1016\/j.jocn.2011.12.001","article-title":"The role of transcranial Doppler ultrasound monitoring in patients with aneurysmal subarachnoid haemorrhage","author":"Deb","year":"2012","journal-title":"J Clin Neurosci"},{"key":"10.1093\/bja\/aes458_bib32","doi-asserted-by":"crossref","first-page":"323","DOI":"10.3171\/jns.2002.96.2.0323","article-title":"Accuracy of transcranial color Doppler ultrasonography in the diagnosis of middle cerebral artery spasm determined by receiver operating characteristic analysis","volume":"96","author":"Mariak","year":"2002","journal-title":"J Neurosurg"},{"key":"10.1093\/bja\/aes458_bib33","doi-asserted-by":"crossref","first-page":"1342","DOI":"10.1161\/01.STR.25.7.1342","article-title":"Initial and recurrent bleeding are the major causes of death following subarachnoid hemorrhage","volume":"25","author":"Broderick","year":"1994","journal-title":"Stroke"}],"container-title":["British Journal of Anaesthesia"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0007091217327253?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0007091217327253?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/academic.oup.com\/bja\/article-pdf\/110\/4\/577\/18256370\/aes458.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,9,13]],"date-time":"2025-09-13T18:40:23Z","timestamp":1757788823000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0007091217327253"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013,4]]},"references-count":33,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2013,4]]}},"alternative-id":["S0007091217327253"],"URL":"https:\/\/doi.org\/10.1093\/bja\/aes458","relation":{},"ISSN":["0007-0912"],"issn-type":[{"value":"0007-0912","type":"print"}],"subject":[],"published":{"date-parts":[[2013,4]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Transcranial Doppler velocimetry in aneurysmal subarachnoid haemorrhage: intra- and interobserver agreement and relation to angiographic vasospasm and mortality","name":"articletitle","label":"Article Title"},{"value":"British Journal of Anaesthesia","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1093\/bja\/aes458","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2013 The Author(s). Published by Elsevier Ltd. All rights reserved.","name":"copyright","label":"Copyright"}]}}