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dc.contributor.authorNeerland, Bjørn Erik
dc.contributor.authorKrogseth, Maria
dc.contributor.authorJuliebø, Vibeke
dc.contributor.authorRanhoff, Anette Hylen
dc.contributor.authorEngedal, Knut
dc.contributor.authorFrihagen, Frede Jon
dc.contributor.authorRæder, Johan
dc.contributor.authorWyller, Torgeir Bruun
dc.contributor.authorWatne, Leiv Otto
dc.date.accessioned2018-02-13T14:17:39Z
dc.date.available2018-02-13T14:17:39Z
dc.date.issued2017-07-10
dc.identifier.citationNeerland BE, Krogseth M, Juliebø V, Ranhoff AH, Engedal K, Frihagen FJ, Ræder J, Wyller TB, Watne LO. Perioperative hemodynamics and risk for delirium and new onset dementia in hip fracture patients; A prospective follow-up study. PLoS ONE. 2017;12(7):e0180641eng
dc.identifier.urihttp://hdl.handle.net/1956/17392
dc.description.abstract<p>Background Delirium is common in hip fracture patients and many risk factors have been identified. Controversy exists regarding the possible impact of intraoperative control of blood pressure upon acute (delirium) and long term (dementia) cognitive decline. We explored possible associations between perioperative hemodynamic changes, use of vasopressor drugs, risk of delirium and risk of new-onset dementia.</p> <p>Methods: Prospective follow-up study of 696 hip fracture patients, assessed for delirium pre- and postoperatively, using the Confusion Assessment Method. Pre-fracture cognitive function was assessed using the Informant Questionnaire of Cognitive Decline in the Elderly and by consensus diagnosis. The presence of new-onset dementia was determined at follow-up evaluation at six or twelve months after surgery. Blood pressure was recorded at admission, perioperatively and postoperatively.</p> <p>Results: Preoperative delirium was present in 149 of 536 (28%) assessable patients, and 124 of 387 (32%) developed delirium postoperatively (incident delirium). The following risk factors for incident delirium in patients without pre-fracture cognitive impairment were identified: low body mass index, low level of functioning, severity of physical illness, and receipt of &ge; 2 blood transfusions. New-onset dementia was diagnosed at follow-up in 26 of 213 (12%) patients, associated with severity of physical illness, delirium, receipt of vasopressor drugs perioperatively and high mean arterial pressure postoperatively.</p> <p>Conclusion: Risk factors for incident delirium seem to differ according to pre-fracture cognitive status. The use of vasopressors during surgery and/or postoperative hypertension is associated with new-onset dementia after hip fracture.</p>eng
dc.language.isoengeng
dc.publisherPLOSeng
dc.rightsAttribution CC BYeng
dc.rights.urihttp://creativecommons.org/licenses/by/4.0eng
dc.titlePerioperative hemodynamics and risk for delirium and new onset dementia in hip fracture patients; A prospective follow-up studyeng
dc.typeJournal articleeng
dc.date.updated2018-02-07T09:15:41Z
dc.rights.holderCopyright 2017 The Author(s)eng
dc.type.versionpublishedVersioneng
bora.peerreviewedPeer reviewedeng
dc.type.documentJournal article
dc.identifier.cristinID1482489
dc.identifier.doi10.1371/journal.pone.0180641eng
dc.source.issn1932-6203eng
dc.relation.journalPLoS ONE


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