Evidence map›Paper›PMID 32928098›Full record

ArticleThe journal of headache and pain2020

Impaired effective functional connectivity of the sensorimotor network in interictal episodic migraineurs without aura.

Heng-Le Wei, Jing Chen, Yu-Chen Chen, Yu-Sheng Yu, Xi Guo, Gang-Ping Zhou, Qing-Qing Zhou, Zhen-Zhen He, Lian Yang, Xindao Yin and 2 more

Open access · goldAbstract read
In one paragraph

Article in The journal of headache and pain, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed
5.5field-weighted citation impact, top 3% 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

34 citing papers in PubMed, 56 citations in OpenAlex.

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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

12 authors at 2 institutions in 1 country.

Heng-Le WeiDepartment of Radiology, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, 211100, Jiangsu, China.
Jing ChenDepartment of Neurology, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, 211100, Jiangsu, China.
Yu-Chen ChenDepartment of Radiology, Nanjing First Hospital, Nanjing Medical University, No.68, Changle Road, Nanjing, 210006, Jiangsu Province, China.
Yu-Sheng YuDepartment of Radiology, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, 211100, Jiangsu, China.
Xi GuoDepartment of Radiology, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, 211100, Jiangsu, China.
Gang-Ping ZhouDepartment of Radiology, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, 211100, Jiangsu, China.
Qing-Qing ZhouDepartment of Radiology, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, 211100, Jiangsu, China.
Zhen-Zhen HeDepartment of Radiology, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, 211100, Jiangsu, China.
Lian YangDepartment of Radiology, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, 211100, Jiangsu, China.
Xindao YinDepartment of Radiology, Nanjing First Hospital, Nanjing Medical University, No.68, Changle Road, Nanjing, 210006, Jiangsu Province, China.
Junrong LiDepartment of Neurology, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, 211100, Jiangsu, China. ljry612@163.com.
Hong ZhangDepartment of Radiology, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, 211100, Jiangsu, China. jnyyfsk@126.com.
Nanjing Medical University · CNNanjing Jiangning Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundResting-state functional magnetic resonance imaging (Rs-fMRI) has confirmed sensorimotor network (SMN) dysfunction in migraine without aura (MwoA). However, the underlying mechanisms of SMN effective functional connectivity in MwoA remain unclear. We aimed to explore the association between clinical characteristics and effective functional connectivity in SMN, in interictal patients who have MwoA.

methodsWe used Rs-fMRI to acquire imaging data in 40 episodic patients with MwoA in the interictal phase and 34 healthy controls (HCs). Independent component analysis was used to profile the distribution of SMN and calculate the different SMN activity between the two groups. Subsequently, Granger causality analysis was used to analyze the effective functional connectivity between the SMN and other brain regions.

resultsCompared to the HCs, MwoA patients showed higher activity in the bilateral postcentral gyri (PoCG), but lower activity in the left midcingulate cortex (MCC). Moreover, MwoA patients showed decreased effective functional connectivity from the SMN to left middle temporal gyrus, right putamen, left insula and bilateral precuneus, but increased effective functional connectivity to the right paracentral lobule. There was also significant effective functional connectivity from the primary visual cortex, right cuneus and right putamen to the SMN. In the interictal period, there was positive correlation between the activity of the right PoCG and the frequency of headache. The disease duration was positively correlated with abnormal effective functional connectivity from the left PoCG to right precuneus. In addition, the headache impact scores were negatively correlated with abnormal effective functional connectivity from the left MCC to right paracentral lobule, as well as from the right precuneus to left PoCG.

conclusionsThese differential, resting-state functional activities of the SMN in episodic MwoA may contribute to the understanding of migraine-related intra- and internetwork imbalances associated with nociceptive regulation and chronification.

Indexed as

EpilepsyMigraine without AuraBrainBrain MappingHumansMagnetic Resonance ImagingParietal LobeEffective functional connectivityMagnetic resonance imagingMigraineSensorimotor network

Identifiers

PMID32928098
PMCPMC7489040
OpenAlexW3086496627

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.