{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,5]],"date-time":"2022-04-05T20:44:31Z","timestamp":1649191471981},"reference-count":40,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2009,7,30]],"date-time":"2009-07-30T00:00:00Z","timestamp":1248912000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Med Imaging"],"published-print":{"date-parts":[[2009,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Background<\/jats:title>\n            <jats:p>Transient ischemic attack (TIA) patients are at high vascular risk. We assessed the value of extracranial (ECD) and transcranial (TCD) Doppler and duplex ultrasonography to predict clinical outcome after TIA.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods<\/jats:title>\n            <jats:p>176 consecutive TIA patients admitted to the Stroke Unit were recruited in the study. All patients received diffusion-weighted imaging, standardized ECD and TCD. At a median follow-up of 27 months, new vascular events were recorded.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>22 (13.8%) patients experienced an ischemic stroke or TIA, 5 (3.1%) a myocardial infarction or acute coronary syndrome, and 5 (3.1%) underwent arterial revascularization. ECD revealed extracranial \u2265 50% stenosis or occlusions in 34 (19.3%) patients, TCD showed intracranial stenosis in 15 (9.2%) and collateral flow patterns due to extracranial stenosis in 5 (3.1%) cases. Multivariate analysis identified these abnormal ECD and TCD findings as predictors of new cerebral ischemic events (ECD: hazard ratio (HR) 4.30, 95% confidence interval (CI) 1.75 to 10.57, P = 0.01; TCD: HR 4.73, 95% CI 1.86 to 12.04, P = 0.01). Abnormal TCD findings were also predictive of cardiovascular ischemic events (HR 18.51, 95% CI 3.49 to 98.24, P = 0.001).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusion<\/jats:title>\n            <jats:p>TIA patients with abnormal TCD findings are at high risk to develop further cerebral and cardiovascular ischemic events.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/1471-2342-9-13","type":"journal-article","created":{"date-parts":[[2009,7,30]],"date-time":"2009-07-30T18:13:53Z","timestamp":1248977633000},"update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Transcranial Doppler ultrasonography predicts cardiovascular events after TIA"],"prefix":"10.1186","volume":"9","author":[{"given":"Katrin","family":"Holzer","sequence":"first","affiliation":[]},{"given":"Suwad","family":"Sadikovic","sequence":"additional","affiliation":[]},{"given":"Lorena","family":"Esposito","sequence":"additional","affiliation":[]},{"given":"Angelina","family":"Bockelbrink","sequence":"additional","affiliation":[]},{"given":"Dirk","family":"Sander","sequence":"additional","affiliation":[]},{"given":"Bernhard","family":"Hemmer","sequence":"additional","affiliation":[]},{"given":"Holger","family":"Poppert","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2009,7,30]]},"reference":[{"issue":"11","key":"71_CR1","doi-asserted-by":"publisher","first-page":"2015","DOI":"10.1212\/01.WNL.0000129482.70315.2F","volume":"62","author":"MD Hill","year":"2004","unstructured":"Hill MD, Yiannakoulias N, Jeerakathil T, Tu JV, Svenson LW, Schopflocher DP: The high risk of stroke immediately after transient ischemic attack: a population-based study. 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