Evidence map›Paper›PMID 32196498›Full record

ArticlePloS one2020

Moderate to severe acute pain disturbs motor cortex intracortical inhibition and facilitation in orthopedic trauma patients: A TMS study.

Marianne Jodoin, Dominique M Rouleau, Audrey Bellemare, Catherine Provost, Camille Larson-Dupuis, Émilie Sandman, Georges-Yves Laflamme, Benoit Benoit, Stéphane Leduc, Martine Levesque and 2 more

Open access · goldAbstract readComparative Study
In one paragraph

Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 2 pooled it
0.7field-weighted citation impact, top 31% 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

10 citing papers in PubMed, 2 syntheses or guidelines pooled it, 11 citations in OpenAlex.

  1. Pooled it
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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.

Marianne JodoinHôpital Sacré-Cœur de Montréal (HSCM), Montreal, QC, Canada.
Dominique M RouleauHôpital Sacré-Cœur de Montréal (HSCM), Montreal, QC, Canada.
Audrey BellemareHôpital Sacré-Cœur de Montréal (HSCM), Montreal, QC, Canada.
Catherine ProvostHôpital Sacré-Cœur de Montréal (HSCM), Montreal, QC, Canada.
Camille Larson-DupuisHôpital Sacré-Cœur de Montréal (HSCM), Montreal, QC, Canada.
Émilie SandmanHôpital Sacré-Cœur de Montréal (HSCM), Montreal, QC, Canada.
Georges-Yves LaflammeHôpital Sacré-Cœur de Montréal (HSCM), Montreal, QC, Canada.
Benoit BenoitHôpital Sacré-Cœur de Montréal (HSCM), Montreal, QC, Canada.
Stéphane LeducHôpital Sacré-Cœur de Montréal (HSCM), Montreal, QC, Canada.
Martine LevesqueHôpital Sacré-Cœur de Montréal (HSCM), Montreal, QC, Canada.
Nadia GosselinHôpital Sacré-Cœur de Montréal (HSCM), Montreal, QC, Canada.
Louis De BeaumontHôpital Sacré-Cœur de Montréal (HSCM), Montreal, QC, Canada.ORCID 0000-0003-4753-3499
Hôpital du Sacré-Cœur de Montréal · CAHôpital Fleurimont · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivePrimary motor (M1) cortical excitability alterations are involved in the development and maintenance of chronic pain. Less is known about M1-cortical excitability implications in the acute phase of an orthopedic trauma. This study aims to assess acute M1-cortical excitability in patients with an isolated upper limb fracture (IULF) in relation to pain intensity.

methodsEighty-four (56 IULF patients <14 days post-trauma and 28 healthy controls). IULF patients were divided into two subgroups according to pain intensity (mild versus moderate to severe pain). A single transcranial magnetic stimulation (TMS) session was performed over M1 to compare groups on resting motor threshold (rMT), short-intracortical inhibition (SICI), intracortical facilitation (ICF), and long-interval cortical inhibition (LICI).

resultsReduced SICI and ICF were found in IULF patients with moderate to severe pain, whereas mild pain was not associated with M1 alterations. Age, sex, and time since the accident had no influence on TMS measures. DISCUSSION: These findings show altered M1 in the context of acute moderate to severe pain, suggesting early signs of altered GABAergic inhibitory and glutamatergic facilitatory activities.

Indexed as

Acute PainCortical ExcitabilityNeural InhibitionTranscranial Magnetic StimulationWounds and InjuriesAdolescentAdultFemaleHumansMaleMiddle AgedMotor Cortex

Identifiers

PMID32196498
PMCPMC7083311
OpenAlexW3012305735

What OpenQuestion holds

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LicenceCC BY
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.