{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,29]],"date-time":"2026-03-29T09:20:55Z","timestamp":1774776055571,"version":"3.50.1"},"reference-count":29,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"6","license":[{"start":{"date-parts":[[2015,9,1]],"date-time":"2015-09-01T00:00:00Z","timestamp":1441065600000},"content-version":"tdm","delay-in-days":5417,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2000,11]]},"abstract":"<jats:sec>\n            <jats:title\/>\n            <jats:p>The absence of cerebral blood flow autoregulation in patients with fulminant hepatic failure (FHF) implies that changes in arterial pressure directly influence cerebral perfusion. It is assumed that dilatation of cerebral arterioles is responsible for the impaired autoregulation. Recently, frontal blood flow was reported to be lower compared with other brain regions, indicating greater arteriolar tone and perhaps preserved regional cerebral autoregulation. In patients with severe FHF (6 women, 1 man; median age, 46 years; range, 18 to 55 years), we tested the hypothesis that perfusion in the anterior cerebral artery would be less affected by an increase in mean arterial pressure compared with the brain area supplied by the middle cerebral artery. Relative changes in cerebral perfusion were determined by transcranial Doppler-measured mean flow velocity (V<jats:sub>mean<\/jats:sub>), and resistance was determined by pulsatility index in the anterior and middle cerebral arteries. Cerebral autoregulation was evaluated by concomitant measurements of mean arterial pressure and V<jats:sub>mean<\/jats:sub> in the anterior and middle cerebral arteries during norepinephrine infusion. Baseline V<jats:sub>mean<\/jats:sub> was lower in the brain area supplied by the anterior cerebral artery compared with the middle cerebral artery (median, 47 cm\/s; range, 21 to 62 cm\/s <jats:italic toggle=\"yes\">v<\/jats:italic> 70 cm\/s; range 43 to 119 cm\/s, respectively; <jats:italic toggle=\"yes\">P<\/jats:italic> &lt; .05). Also, vascular resistance determined by pulsatility index was greater in the anterior than middle cerebral artery (median, 1.02; range 1.00 to 1.37 <jats:italic toggle=\"yes\">v<\/jats:italic> 0.87; range 0.75 to 1.48; <jats:italic toggle=\"yes\">P<\/jats:italic> &lt; .01). When arterial pressure was increased from 84 mm Hg (range 57 to 95 mm Hg) to 115 mm Hg (range, 73 to 130 mm Hg) during norepinephrine infusion, V<jats:sub>mean<\/jats:sub> remained unchanged in 2 patients in the anterior cerebral artery, whereas it increased in the middle cerebral artery in all 7 patients. In the remaining patients, V<jats:sub>mean<\/jats:sub> increased approximately 25% in both the anterior and middle cerebral arteries. Thus, this study could only partially confirm the hypothesis that autoregulation is preserved in the brain regions supplied by the anterior cerebral artery in patients with FHF. Although the findings of this small study need to be further evaluated, one should consider that autoregulation may be impaired not only in the brain region supplied by the middle cerebral artery, but also in the area corresponding to the anterior cerebral artery.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1053\/jlts.2000.18705","type":"journal-article","created":{"date-parts":[[2004,3,19]],"date-time":"2004-03-19T18:46:00Z","timestamp":1079721960000},"page":"795-800","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":32,"title":["Regional cerebral blood flow autoregulation in patients with fulminant hepatic failure"],"prefix":"10.1097","volume":"6","author":[{"given":"Fin Stolze","family":"Larsen","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gitte","family":"Strauss","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kirsten","family":"M\u00f8ller","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bent Adel","family":"Hansen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"276","reference":[{"key":"10.1053\/jlts.2000.18705-BIB1","doi-asserted-by":"crossref","first-page":"353","DOI":"10.1016\/S0168-8278(99)80090-7","volume":"30","author":"Blei","year":"1999","journal-title":"J Hepatol"},{"key":"10.1053\/jlts.2000.18705-BIB2","doi-asserted-by":"crossref","first-page":"281","DOI":"10.1055\/s-2007-1007241","volume":"16","author":"Larsen","year":"1996","journal-title":"Semin Liver Dis"},{"key":"10.1053\/jlts.2000.18705-BIB3","doi-asserted-by":"crossref","first-page":"1407","DOI":"10.1002\/hep.1840190614","volume":"19","author":"Wendon","year":"1994","journal-title":"Hepatology"},{"key":"10.1053\/jlts.2000.18705-BIB4","doi-asserted-by":"crossref","first-page":"329","DOI":"10.1038\/jcbfm.1995.38","volume":"15","author":"Durham","year":"1995","journal-title":"J Cereb Blood Flow Metab"},{"key":"10.1053\/jlts.2000.18705-BIB5","doi-asserted-by":"crossref","first-page":"351","DOI":"10.1001\/archneurpsyc.1937.02260140137007","volume":"37","author":"Fog","year":"1937","journal-title":"Arch Neurol Psychiatry"},{"key":"10.1053\/jlts.2000.18705-BIB6","doi-asserted-by":"crossref","first-page":"212","DOI":"10.1016\/0168-8278(95)80338-6","volume":"23","author":"Larsen","year":"1995","journal-title":"J Hepatol"},{"key":"10.1053\/jlts.2000.18705-BIB7","doi-asserted-by":"crossref","first-page":"837","DOI":"10.1002\/hep.510250409","volume":"25","author":"Strauss","year":"1997","journal-title":"Hepatology"},{"key":"10.1053\/jlts.2000.18705-BIB8","doi-asserted-by":"crossref","first-page":"996","DOI":"10.1097\/00003246-200004000-00014","volume":"28","author":"Larsen","year":"2000","journal-title":"Crit Care Med"},{"key":"10.1053\/jlts.2000.18705-BIB9","doi-asserted-by":"crossref","first-page":"199","DOI":"10.1016\/0168-8278(88)80006-0","volume":"28","author":"Strauss","year":"1997","journal-title":"J Hepatol"},{"key":"10.1053\/jlts.2000.18705-BIB10","doi-asserted-by":"crossref","first-page":"1368","DOI":"10.1002\/hep.510300608","volume":"30","author":"Strauss","year":"1999","journal-title":"Hepatology"},{"key":"10.1053\/jlts.2000.18705-BIB11","doi-asserted-by":"crossref","first-page":"295","DOI":"10.1002\/hep.510250207","volume":"25","author":"Gove","year":"1997","journal-title":"Hepatology"},{"key":"10.1053\/jlts.2000.18705-BIB12","first-page":"6067","volume":"14","author":"Garthwaite","year":"1991","journal-title":"TINS"},{"key":"10.1053\/jlts.2000.18705-BIB13","doi-asserted-by":"crossref","first-page":"39","DOI":"10.1007\/978-3-7091-8864-4_4","volume-title":"Transcranial Doppler sonography","author":"Aaslid","year":"1986","unstructured":"Transcranial Doppler examination techniques. 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