{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,2]],"date-time":"2026-06-02T21:10:55Z","timestamp":1780434655784,"version":"3.54.1"},"reference-count":113,"publisher":"Oxford University Press (OUP)","issue":"4","license":[{"start":{"date-parts":[[2024,4,19]],"date-time":"2024-04-19T00:00:00Z","timestamp":1713484800000},"content-version":"vor","delay-in-days":18,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100016337","name":"Department for the Economy","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100016337","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Lewy Body Society"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,4,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Objectives<\/jats:title>\n                  <jats:p>Delirium is most often reported as present or absent. Patients with symptoms falling short of the diagnostic criteria for delirium fall into \u2018no delirium\u2019 or \u2018control\u2019 groups. This binary classification neglects individual symptoms and may be hindering identification of the pathophysiology underlying delirium. This systematic review investigates which individual symptoms of delirium are reported by studies of postoperative delirium in adults.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>Medline, EMBASE and Web of Science databases were searched on 03 June 2021 and 06 April 2023. Two reviewers independently examined titles and abstracts. Each paper was screened in duplicate and conflicting decisions settled by consensus discussion. Data were extracted, qualitatively synthesised and narratively reported. All included studies were quality assessed.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>These searches yielded 4,367 results. After title and abstract screening, 694 full-text studies were reviewed, and 62 deemed eligible for inclusion. This review details 11,377 patients including 2,049 patients with delirium. In total, 78 differently described delirium symptoms were reported. The most reported symptoms were inattention (N\u00a0=\u200929), disorientation (N\u00a0=\u200927), psychomotor agitation\/retardation (N\u00a0=\u200922), hallucination (N\u00a0=\u200922) and memory impairment (N\u00a0=\u200918). Notably, psychomotor agitation and hallucinations are not listed in the current Diagnostic and Statistical Manual for Mental Disorders-5-Text Revision delirium definition.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>The 78 symptoms reported in this systematic review cover domains of attention, awareness, disorientation and other cognitive changes. There is a lack of standardisation of terms, and many recorded symptoms are synonyms of each other. This systematic review provides a library of individual delirium symptoms, which may be used to inform future reporting.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ageing\/afae077","type":"journal-article","created":{"date-parts":[[2024,4,1]],"date-time":"2024-04-01T11:11:51Z","timestamp":1711969911000},"source":"Crossref","is-referenced-by-count":11,"title":["Assessment and report of individual symptoms in studies of delirium in postoperative populations: a systematic review"],"prefix":"10.1093","volume":"53","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2631-0288","authenticated-orcid":false,"given":"Emily M L","family":"Bowman","sequence":"first","affiliation":[{"name":"Centre for Public Health, Queen\u2019s University Belfast, Block B, Institute of Clinical Sciences, Royal Victoria Hospital site , Grosvenor Road, Belfast BT12 6BA , Northern Ireland"},{"name":"Centre for Experimental Medicine, Queen\u2019s University Belfast, Wellcome-Wolfson Institute for Experimental Medicine , 97 Lisburn Road, Belfast BT9 7BL , Northern Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aoife M","family":"Sweeney","sequence":"additional","affiliation":[{"name":"Centre for Public Health, Queen\u2019s University Belfast, Block B, Institute of Clinical Sciences, Royal Victoria Hospital site , Grosvenor Road, Belfast BT12 6BA , Northern Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Danny F","family":"McAuley","sequence":"additional","affiliation":[{"name":"Centre for Experimental Medicine, Queen\u2019s University Belfast, Wellcome-Wolfson Institute for Experimental Medicine , 97 Lisburn Road, Belfast BT9 7BL , Northern Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chris","family":"Cardwell","sequence":"additional","affiliation":[{"name":"Centre for Public Health, Queen\u2019s University Belfast, Block B, Institute of Clinical Sciences, Royal Victoria Hospital site , Grosvenor 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