Evidence map›Paper›PMID 28700610›Full record

ArticlePloS one2017

Perioperative hemodynamics and risk for delirium and new onset dementia in hip fracture patients; A prospective follow-up study.

Bjørn Erik Neerland, Maria Krogseth, Vibeke Juliebø, Anette Hylen Ranhoff, Knut Engedal, Frede Frihagen, Johan Ræder, Torgeir Bruun Wyller, Leiv Otto Watne

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed, 3 pooled it
4.3field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

20 citing papers in PubMed, 3 syntheses or guidelines pooled it, 49 citations in OpenAlex.

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  19. Physical Activity and Risk of Postoperative Delirium.Journal of the American Geriatrics Society · 2019
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 2 institutions in 1 country.

Bjørn Erik NeerlandOslo Delirium Research Group, Department of Geriatric Medicine, Oslo University Hospital, Oslo, Norway.ORCID http://orcid.org/0000-0001-5335-9146
Maria KrogsethOslo Delirium Research Group, Department of Geriatric Medicine, Oslo University Hospital, Oslo, Norway.
Vibeke JuliebøOslo Delirium Research Group, Department of Geriatric Medicine, Oslo University Hospital, Oslo, Norway.
Anette Hylen RanhoffDiakonhjemmet Hospital, Oslo, Norway.
Knut EngedalOslo Delirium Research Group, Department of Geriatric Medicine, Oslo University Hospital, Oslo, Norway.
Frede FrihagenDepartment of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway.
Johan RæderInstitute of Clinical Medicine, University of Oslo, Oslo, Norway.
Torgeir Bruun WyllerOslo Delirium Research Group, Department of Geriatric Medicine, Oslo University Hospital, Oslo, Norway.
Leiv Otto WatneOslo Delirium Research Group, Department of Geriatric Medicine, Oslo University Hospital, Oslo, Norway.
Oslo University Hospital · NODiakonhjemmet Hospital · NO

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundDelirium 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.

methodsProspective 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.

resultsPreoperative 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 ≥ 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.

conclusionRisk 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.

Indexed as

HemodynamicsPerioperative CareAgedAged, 80 and overDeliriumDementiaFemaleFollow-Up StudiesHip FracturesHumansMaleProspective StudiesRisk Factors

Identifiers

PMID28700610
PMCPMC5503267
OpenAlexW2734549949

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.