Evidence map›Paper›PMID 29175957›Full record

ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2018

Brainstem Pain-Control Circuitry Connectivity in Chronic Neuropathic Pain.

Emily P Mills, Flavia Di Pietro, Zeynab Alshelh, Chris C Peck, Greg M Murray, E Russell Vickers, Luke A Henderson

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 78 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
78citing papers in PubMed, 2 pooled it
7.2field-weighted citation impact, top 2% 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

78 citing papers in PubMed, 2 syntheses or guidelines pooled it, 136 citations in OpenAlex.

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18 more citing papers are in PubMed but not listed here.

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

7 authors at 2 institutions in 2 countries.

Emily P MillsDepartment of Anatomy and Histology and.
Flavia Di PietroDepartment of Anatomy and Histology and.
Zeynab AlshelhDepartment of Anatomy and Histology and.
Chris C PeckFaculty of Dentistry, University of Sydney, Sydney 2006, New South Wales, Australia.
Greg M MurrayFaculty of Dentistry, University of Sydney, Sydney 2006, New South Wales, Australia.
E Russell VickersDepartment of Anatomy and Histology and.
Luke A HendersonDepartment of Anatomy and Histology and lukeh@anatomy.usyd.edu.au.ORCID 0000-0002-1026-0151
The University of Sydney · AUAnatomyWorks (United States) · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Preclinical investigations have suggested that altered functioning of brainstem pain-modulation circuits may be crucial for the maintenance of some chronic pain conditions. While some human psychophysical studies show that patients with chronic pain display altered pain-modulation efficacy, it remains unknown whether brainstem pain-modulation circuits are altered in individuals with chronic pain. The aim of the present investigation was to determine whether, in humans, chronic pain following nerve injury is associated with altered ongoing functioning of the brainstem descending modulation systems. Using resting-state functional magnetic resonance imaging, we found that male and female patients with chronic neuropathic orofacial pain show increased functional connectivity between the rostral ventromedial medulla (RVM) and other brainstem pain-modulatory regions, including the ventrolateral periaqueductal gray (vlPAG) and locus ceruleus (LC). We also identified an increase in RVM functional connectivity with the region that receives orofacial nociceptor afferents, the spinal trigeminal nucleus. In addition, the vlPAG and LC displayed increased functional connectivity strengths with higher brain regions, including the hippocampus, nucleus accumbens, and anterior cingulate cortex, in individuals with chronic pain. These data reveal that chronic pain is associated with altered ongoing functioning within the endogenous pain-modulation network. These changes may underlie enhanced descending facilitation of processing at the primary synapse, resulting in increased nociceptive transmission to higher brain centers. Further, our findings show that higher brain regions interact with the brainstem modulation system differently in chronic pain, possibly reflecting top-down engagement of the circuitry alongside altered reward processing in pain conditions.

Indexed as

AdultAgedBrainBrain StemChronic PainFemaleHumansImage Interpretation, Computer-AssistedMagnetic Resonance ImagingMaleMiddle AgedNeuralgiaNeural PathwaysTrigeminal Nerve DiseasesYoung Adultanalgesiachronic painlocus ceruleusmidbrain periaqueductal grayrostral ventromedial medullaspinal trigeminal nucleus

Identifiers

PMID29175957
PMCPMC6596109
OpenAlexW2768592829

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.