Evidence map›Paper›PMID 33250763›Full record

ArticleFrontiers in aging neuroscience2020

Different Perivascular Space Burdens in Idiopathic Rapid Eye Movement Sleep Behavior Disorder and Parkinson's Disease.

Xiao-Li Si, Lu-Yan Gu, Zhe Song, Cheng Zhou, Yi Fang, Chong-Yao Jin, Jing-Jing Wu, Ting Gao, Tao Guo, Xiao-Jun Guan and 5 more

Open access · goldAbstract read
In one paragraph

Article in Frontiers in aging neuroscience, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 2 pooled it
2.0field-weighted citation impact, top 14% 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

27 citing papers in PubMed, 2 syntheses or guidelines pooled it, 43 citations in OpenAlex.

  1. Pooled it
  2. Meta-analysis of the relationship between the number and location of perivascular spaces in the brain and cognitive function.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2024
    Pooled it
  3. Article
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  7. Article
  8. Review
  9. Article
  10. Article
  11. Behavioral disorders in Parkinson disease: current view.Journal of neural transmission (Vienna, Austria : 1996) · 2025
    Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. Review
  17. Article
  18. REM Behavior Disorder: Implications for PD Therapeutics.Current neurology and neuroscience reports · 2023
    Review
  19. Review
  20. Reduced coupling of global brain function and cerebrospinal fluid dynamics in Parkinson's disease.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2023
    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

15 authors at 1 institution in 1 country.

Xiao-Li SiDepartment of Neurology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Lu-Yan GuDepartment of Neurology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Zhe SongDepartment of Neurology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Cheng ZhouDepartment of Radiology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Yi FangDepartment of Neurology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Chong-Yao JinDepartment of Neurology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Jing-Jing WuDepartment of Radiology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Ting GaoDepartment of Neurology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Tao GuoDepartment of Radiology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Xiao-Jun GuanDepartment of Radiology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Xiao-Jun XuDepartment of Radiology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Xin-Zhen YinDepartment of Neurology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Ya-Ping YanDepartment of Neurology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Min-Min ZhangDepartment of Radiology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Jia-Li PuDepartment of Neurology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Second Affiliated Hospital of Zhejiang University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundExcessive aggregation of α-synuclein is the key pathophysiological feature of Parkinson's disease (PD). Rapid eye movement sleep behavior disorder (RBD) is also associated with synucleinopathies and considered as a powerful predictor of PD. Growing evidence suggests the diminished clearance of α-synuclein may be partly attributable to poor interstitial fluid drainage, which can be reflected by magnetic resonance imaging (MRI)-visible enlarged perivascular space (EPVS). However, the effect of MRI-visible EPVS on iRBD and PD, and their correlation with clinical characteristics remain unclear.

objectiveTo evaluate the clinical and neuroimaging significance of MRI-visible EPVS in iRBD and PD patients.

methodsWe enrolled 33 iRBD patients, 82 PD (with and without RBD) patients, and 35 healthy controls (HCs), who underwent clinical evaluation and 3.0 Tesla MRI. Two neurologists assessed MRI-visible EPVS in centrum semiovale (CSO), basal ganglia (BG), substantia nigra (SN), and brainstem (BS). Independent risk factors for iRBD and PD were investigated using multivariable logistic regression analysis. Spearman analysis was used to test the correlation of MRI-visible EPVS with clinical characteristics of patients.

resultsiRBD patients had significantly higher EPVS burdens (CSO, BG, SN, and BS) than PD patients. Higher CSO-EPVS and BS-EPVS burdens were independent risk factors for iRBD. Furthermore, higher CSO-EPVS and SN-EPVS burdens were positively correlated with the severity of clinical symptom in iRBD patients, and higher BG-EPVS burden was positively correlated with the severity of cognitive impairment in PD patients.

conclusioniRBD and PD patients have different MRI-visible EPVS burdens, which may be related with a compensatory mechanism in glymphatic system. Lower MRI-visible EPVS burden in PD patients may be a manifestation of severe brain waste drainage dysfunction. These findings shed light on the pathophysiologic relationship between iRBD and PD with respect to neuroimaging marker of PD.

Indexed as

glymphatic systemParkinson’s diseaseperivascular spaceREM sleep behavior disorderwhite matter hyperintensity

Identifiers

PMID33250763
PMCPMC7674841
OpenAlexW3097188768

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.