Evidence map›Paper›PMID 28725691›Full record

ArticleNPJ Parkinson's disease2016

Hippocampal subfield atrophy in relation to cerebrospinal fluid biomarkers and cognition in early Parkinson's disease: a cross-sectional study.

Ane Løvli Stav, Krisztina Kunszt Johansen, Eirik Auning, Lisa Flem Kalheim, Per Selnes, Atle Bjørnerud, Erik Hessen, Dag Aarsland, Tormod Fladby

Open access · goldAbstract read
In one paragraph

Article in NPJ Parkinson's disease, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
1.3field-weighted citation impact, top 20% 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

18 citing papers in PubMed, 31 citations in OpenAlex.

  1. Article
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  4. Observational
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  7. Review
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  9. Article
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  14. Episodic recognition memory and the hippocampus in Parkinson's disease: A review.Cortex; a journal devoted to the study of the nervous system and behavior · 2019
    Review
  15. Article
  16. Article
  17. Impaired synaptic function is linked to cognition in Parkinson's disease.Annals of clinical and translational neurology · 2017
    Article
  18. Article
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 3 institutions in 2 countries.

Ane Løvli StavDepartment of Neurology, Akershus University Hospital, Lørenskog, Norway.
Krisztina Kunszt JohansenDepartment of Neurology, Akershus University Hospital, Lørenskog, Norway.
Eirik AuningFaculty Division Akershus University Hospital, University of Oslo, Oslo, Norway.
Lisa Flem KalheimDepartment of Neurology, Akershus University Hospital, Lørenskog, Norway.
Per SelnesDepartment of Neurology, Akershus University Hospital, Lørenskog, Norway.
Atle BjørnerudThe Intervention Centre, Oslo University Hospital, Rikshospitalet, Oslo, Norway.
Erik HessenFaculty Division Akershus University Hospital, University of Oslo, Oslo, Norway.
Dag AarslandDepartment of Neurology, Akershus University Hospital, Lørenskog, Norway.
Tormod FladbyDepartment of Neurology, Akershus University Hospital, Lørenskog, Norway.
Akershus University Hospital · NOUniversity of Oslo · NOOslo University Hospital · NO

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cognition is often affected early in Parkinson's disease (PD). Lewy body and amyloid β (Aβ) pathology and cortical atrophy may be involved. The aim of this study was to examine whether medial temporal lobe structural changes may be linked to cerebrospinal fluid (CSF) biomarker levels and cognition in early PD. PD patients had smaller volumes of total hippocampus, presubiculum, subiculum, CA2-3, CA4-DG, and hippocampal tail compared with normal controls (NCs). In the PD group, lower CSF Aβ38 and 42 were significant predictors for thinner perirhinal cortex. Lower Aβ42 and smaller presubiculum and subiculum predicted poorer verbal learning and delayed verbal recall. Smaller total hippocampus, presubiculum and subiculum predicted poorer visuospatial copying. Lower Aβ38 and 40 and thinner perirhinal cortex predicted poorer delayed visual reproduction. In conclusion, smaller volumes of hippocampal subfields and subhippocampal cortex thickness linked to lower CSF Aβ levels may contribute to cognitive impairment in early PD. Thirty-three early PD patients (13 without, 5 with subjective, and 15 with mild cognitive impairment) and NC had 3 T magnetic resonance imaging (MRI) scans. The MRI scans were post processed for volumes of hippocampal subfields and entorhinal and perirhinal cortical thickness. Lumbar puncture for CSF biomarkers Aβ38, 40, 42, total tau, phosphorylated tau (Innogenetics), and total α-synuclein (Meso Scale Diagnostics) were performed. Multiple regression analyses were used for between-group comparisons of the MRI measurements in the NC and PD groups and for assessment of CSF biomarkers and neuropsychological tests in relation to morphometry in the PD group.

Identifiers

PMID28725691
PMCPMC5516586
OpenAlexW2311393707

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

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.