Evidence map›Paper›PMID 31322307›Full record

ArticleHuman brain mapping2019

Vulnerability of multiple large-scale brain networks in dementia with Lewy bodies.

Arianna Sala, Silvia Paola Caminiti, Leonardo Iaccarino, Luca Beretta, Sandro Iannaccone, Giuseppe Magnani, Alessandro Padovani, Luigi Ferini-Strambi, Daniela Perani

Open access · greenAbstract read
In one paragraph

Article in Human brain mapping, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
2.1field-weighted citation impact, top 13% 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

17 citing papers in PubMed, 1 synthesis or guideline pooled it, 31 citations in OpenAlex.

  1. (Dis-)Connected Dots in Dementia with Lewy Bodies-A Systematic Review of Connectivity Studies.Movement disorders : official journal of the Movement Disorder Society · 2023
    Pooled it
  2. Review
  3. Review
  4. Article
  5. Visual dysfunction in dementia with Lewy bodies.Current neurology and neuroscience reports · 2024
    Review
  6. Article
  7. Similarity between structural and proxy estimates of brain connectivity.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2024
    Article
  8. Mild cognitive impairment in dementia with Lewy bodies: an update and outlook.Journal of neural transmission (Vienna, Austria : 1996) · 2023
    Review
  9. Article
  10. Article
  11. Review
  12. Article
  13. Article
  14. Review
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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 3 institutions in 1 country.

Arianna SalaVita-Salute San Raffaele University, Milan, Italy.
Silvia Paola CaminitiVita-Salute San Raffaele University, Milan, Italy.ORCID 0000-0003-4568-1738
Leonardo IaccarinoVita-Salute San Raffaele University, Milan, Italy.
Luca BerettaIn Vivo Human Molecular and Structural Neuroimaging Unit, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy.
Sandro IannacconeClinical Neuroscience Department, San Raffaele Turro Hospital, Milan, Italy.
Giuseppe MagnaniDepartment of Neurology, IRCCS San Raffaele Hospital, Milan, Italy.
Alessandro PadovaniNeurology Unit, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy.
Luigi Ferini-StrambiVita-Salute San Raffaele University, Milan, Italy.
Daniela PeraniVita-Salute San Raffaele University, Milan, Italy.ORCID 0000-0002-3421-204X
Vita-Salute San Raffaele University · ITSan Raffaele University of Rome · ITUniversity of Brescia · IT

Funding

EU FP7 INMIND Project (FP7-HEALTH-2013) 278850IVASCOMAR project "Identificazione, validazione e sviluppo commerciale di nuovi biomarcatori diagnostici prognostici per malattie complesse" CTN01_00177_165430
6 · The paper itself

Abstract

Aberrations of large-scale brain networks are found in the majority of neurodegenerative disorders. The brain connectivity alterations underlying dementia with Lewy bodies (DLB) remain, however, still elusive, with contrasting results possibly due to the pathological and clinical heterogeneity characterizing this disorder. Here, we provide a molecular assessment of brain network alterations, based on cerebral metabolic measurements as proxies of synaptic activity and density, in a large cohort of DLB patients (N = 72). We applied a seed-based interregional correlation analysis approach (p < .01, false discovery rate corrected) to evaluate large-scale resting-state networks' integrity and their interactions. We found both local and long-distance metabolic connectivity alterations, affecting the posterior cortical networks, that is, primary visual and the posterior default mode network, as well as the limbic and attention networks, suggesting a widespread derangement of the brain connectome. Notably, patients with the lowest visual and attention cognitive scores showed the most severe connectivity derangement in regions of the primary visual network. In addition, network-level alterations were differentially associated with the core clinical manifestations, namely, hallucinations with more severe metabolic dysfunction of the attention and visual networks, and rapid eye movement sleep behavior disorder with alterations of connectivity of attention and subcortical networks. These multiple network-level vulnerabilities may modulate the core clinical and cognitive features of DLB and suggest that DLB should be considered as a complex multinetwork disorder.

Indexed as

ConnectomeAgedAged, 80 and overAttentionCerebral CortexCognition DisordersFemaleHallucinationsHumansLewy Body DiseaseMaleMiddle AgedNerve NetNeuropsychological TestsPositron-Emission TomographyREM Sleep Behavior Disorderconnectivitydefault mode networkFDGPETresting-state networksynuclein

Identifiers

PMID31322307
PMCPMC6917031
OpenAlexW2963569119

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.