Evidence map›Paper›PMID 40461958›Full record

ArticleThe journal of headache and pain2025

Impaired glymphatic function contributes to high-frequency attacks in patients with episodic migraine.

Xin Cai, Wei Sun, Mengfei Cai, Dawei Li, Zhenzhen Chen, Hao Li, Bo Yuan, Yan Li, Zaiyi Liu, Yuhu Zhang

Abstract read
In one paragraph

Article in The journal of headache and pain, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

11 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Review
  3. Glial cells in neuropathic pain.Physiological reviews · 2026
    Review
  4. Article
  5. Review
  6. Overlapping pathways of migraine and the endocannabinoid system: Potential therapeutic targets.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2026
    Review
  7. Non-neuronal targets for migraine therapy.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2026
    Review
  8. Review
  9. Review
  10. Article
  11. 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

10 authors.

Xin CaiDepartment of Neurology, Guangdong Neuroscience Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences, Southern Medical University, No. 106 Zhongshan Er Road, Guangzhou, Guangdong Province, 510080, China.
Wei SunDepartment of Neurology, The Fourth People's Hospital of Shenzhen (Shenzhen Samii Medical Center), No.1 Jinniu West Road, Shenzhen, 518118, China.
Mengfei CaiDepartment of Neurology, Guangdong Neuroscience Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences, Southern Medical University, No. 106 Zhongshan Er Road, Guangzhou, Guangdong Province, 510080, China.
Dawei LiDepartment of Neurology, The Fourth People's Hospital of Shenzhen (Shenzhen Samii Medical Center), No.1 Jinniu West Road, Shenzhen, 518118, China.
Zhenzhen ChenDepartment of Neurology, Tongji Medical College, The Central Hospital of Wuhan, Huazhong University of Science and Technology, Wuhan, 430014, China.
Hao LiDepartment of Neurology, Radboud University Medical Center, Donders Center for Medical Neurosciences, Nijmegen, The Netherlands.
Bo YuanDepartment of Neurology, The Fourth People's Hospital of Shenzhen (Shenzhen Samii Medical Center), No.1 Jinniu West Road, Shenzhen, 518118, China.
Yan LiDepartment of Neurology, Guangdong Neuroscience Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences, Southern Medical University, No. 106 Zhongshan Er Road, Guangzhou, Guangdong Province, 510080, China.
Zaiyi LiuGuangdong Provincial Key Laboratory of Artificial Intelligence in Medical Image Analysis and Application, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China.
Yuhu ZhangDepartment of Neurology, Guangdong Neuroscience Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences, Southern Medical University, No. 106 Zhongshan Er Road, Guangzhou, Guangdong Province, 510080, China. zhangyuhu@gdph.org.cn.

Funding

China Postdoctoral Science Foundation No.2023M730742Guangdong Provincial Key Laboratory of Artificial Intelligence in Medical Image Analysis and Application No.2022B1212010011Key Technologies Research and Development Program of Guangzhou Municipality No.202206010086National Natural Science Foundation of China No.82071419National Natural Science Foundation of China No.82301663Wellcome Trust 202469
6 · The paper itself

Abstract

BACKGROUND AND

objectivePrevious studies have reported inconsistent results regarding glymphatic function in migraine patients. This study aimed to investigate glymphatic function in patients with episodic migraine (EM), focusing on varying attack frequencies, and to explore its potential pathophysiologic role in migraine.

methodsIn this cross-sectional study, migraine clinical parameters and psychiatric comorbidities, including depression, anxiety, and sleep disorders, were collected. Three MRI measures were quantified, i.e., the diffusion tensor imaging (DTI) along the perivascular space (DTI-ALPS) index, perivascular space (PVS) volume in the basal ganglia (BG) and white matter (WM), and white matter hyperintensity (WMH) volume in the periventricular WM and deep WM. Patients with 4 or more monthly migraine days (MMDs) were categorized into the high-frequency episodic migraine (HFEM) group, whereas patients with fewer than 4 MMDs were placed in the low-frequency episodic migraine (LFEM) group. The differences in the DTI-ALPS index, PVS volume, and WMH volume were compared between the controls and patients with EM, as well as among the EM subgroups. Correlations between the DTI-ALPS index and migraine clinical parameters, WMH, and PVS were determined.

resultsA total of 74 patients with EM without cardiovascular risk factors and 42 age- and sex-matched controls were enrolled. The HFEM group (1.37 ± 0.12) exhibited a significantly lower DTI-ALPS index compared to controls (1.45 ± 0.10; p = 0.011; CI:-0.15 to -0.014) and those with LFEM (1.44 ± 0.12; p = 0.022; CI: -0.14 to -0.008). The reduced DTI-ALPS index was correlated with several clinical parameters, including MMDs, photophobia, phonophobia, and severe headache-related disability. Compared with controls, EM patients presented larger WMH volumes, but no significant differences in PVS volumes were observed. Increased MMDs, long disease duration, the presence of phonophobia, and increased deep WMH volumes were independently associated with the reduced DTI-ALPS index in EM.

conclusionA reduced DTI-ALPS index, rather than larger PVS volume, may serve as a potential noninvasive measure of compromised glymphatic activity in migraine patients with high-frequency attacks, suggesting potential pathogenic mechanisms for central sensitization. Further longitudinal studies are warranted to investigate the causal relationship between glymphatic function and migraine attacks.

Indexed as

Glymphatic SystemMigraine DisordersAdultCross-Sectional StudiesDiffusion Tensor ImagingFemaleHumansMaleMiddle AgedWhite MatterAttack frequencyDiffusion tensor imagingEpisodic migraineGlymphatic functionHypersensitivityPerivascular spacesWhite matter hyperintensity

Identifiers

PMID40461958
PMCPMC12135552

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.