Evidence map›Paper›PMID 26060584›Full record

Trial reportNeural plasticity2015

Increase in Short-Interval Intracortical Facilitation of the Motor Cortex after Low-Frequency Repetitive Magnetic Stimulation of the Unaffected Hemisphere in the Subacute Phase after Stroke.

Eduardo Arruda Mello, Leonardo G Cohen, Sarah Monteiro Dos Anjos, Juliana Conti, Karina Nocelo F Andrade, Fernanda Tovar Moll, Theo Marins, Corina A Fernandes, Waldyr Rodrigues, Adriana Bastos Conforto

Open access · goldAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Neural plasticity, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 3 pooled it
1.7field-weighted citation impact, top 16% 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

14 citing papers in PubMed, 3 syntheses or guidelines pooled it, 22 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

10 authors at 4 institutions in 2 countries.

Eduardo Arruda MelloNeurology Clinical Division, Clinics Hospital/São Paulo University, Avenida Dr. Enéas C. Aguiar 255/5084, 05403-010 São Paulo, SP, Brazil.
Leonardo G CohenHuman Cortical Physiology and Stroke Rehabilitation Section, National Institutes of Neurological Disorders and Stroke, National Institutes of Health, Building 10, Room 7D54, Bethesda, MD 20892, USA.
Sarah Monteiro Dos AnjosNeurology Clinical Division, Clinics Hospital/São Paulo University, Avenida Dr. Enéas C. Aguiar 255/5084, 05403-010 São Paulo, SP, Brazil.
Juliana ContiNeurology Clinical Division, Clinics Hospital/São Paulo University, Avenida Dr. Enéas C. Aguiar 255/5084, 05403-010 São Paulo, SP, Brazil.
Karina Nocelo F AndradeNeurology Clinical Division, Clinics Hospital/São Paulo University, Avenida Dr. Enéas C. Aguiar 255/5084, 05403-010 São Paulo, SP, Brazil.
Fernanda Tovar MollInstitute of Biomedical Sciences and National Center for Structural Biology and Bioimaging (CENABIO), Federal University of Rio de Janeiro, Avenida Carlos Chagas Filho 373, Prédio do CCS, Bloco M, Cidade Universitária, 21941-902 Rio de Janeiro, RJ, Brazil ; D'Or Institute for Research and Education (IDOR), Rua Diniz Cordeiro 30, 22281-032 Rio de Janeiro, RJ, Brazil.
Theo MarinsInstitute of Biomedical Sciences and National Center for Structural Biology and Bioimaging (CENABIO), Federal University of Rio de Janeiro, Avenida Carlos Chagas Filho 373, Prédio do CCS, Bloco M, Cidade Universitária, 21941-902 Rio de Janeiro, RJ, Brazil ; D'Or Institute for Research and Education (IDOR), Rua Diniz Cordeiro 30, 22281-032 Rio de Janeiro, RJ, Brazil.
Corina A FernandesNeurology Clinical Division, Clinics Hospital/São Paulo University, Avenida Dr. Enéas C. Aguiar 255/5084, 05403-010 São Paulo, SP, Brazil.
Waldyr RodriguesNeurology Clinical Division, Clinics Hospital/São Paulo University, Avenida Dr. Enéas C. Aguiar 255/5084, 05403-010 São Paulo, SP, Brazil.
Adriana Bastos ConfortoNeurology Clinical Division, Clinics Hospital/São Paulo University, Avenida Dr. Enéas C. Aguiar 255/5084, 05403-010 São Paulo, SP, Brazil ; Instituto de Ensino e Pesquisa, Hospital Israelita Albert Einstein, Avenida Albert Einstein 627/701, 05601-901 São Paulo, SP, Brazil.
Hospital São Paulo · BRNational Institute of Science and Technology for Structural Biology and Bioimaging · BRNational Institutes of Health · USUniversidade Federal do Rio de Janeiro · BR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Low-frequency repetitive transcranial magnetic stimulation of the unaffected hemisphere (UH-LF-rTMS) in patients with stroke can decrease interhemispheric inhibition from the unaffected to the affected hemisphere and improve hand dexterity and strength of the paretic hand. The objective of this proof-of-principle study was to explore, for the first time, effects of UH-LF-rTMS as add-on therapy to motor rehabilitation on short-term intracortical inhibition (SICI) and intracortical facilitation (ICF) of the motor cortex of the unaffected hemisphere (M1UH) in patients with ischemic stroke. Eighteen patients were randomized to receive, immediately before rehabilitation treatment, either active or sham UH-LF-rTMS, during two weeks. Resting motor threshold (rMT), SICI, and ICF were measured in M1UH before the first session and after the last session of treatment. There was a significant increase in ICF in the active group compared to the sham group after treatment, and there was no significant differences in changes in rMT or SICI. ICF is a measure of intracortical synaptic excitability, with a relative contribution of spinal mechanisms. ICF is typically upregulated by glutamatergic agonists and downregulated by gabaergic antagonists. The observed increase in ICF in the active group, in this hypothesis-generating study, may be related to M1UH reorganization induced by UH-LF-rTMS.

Indexed as

Functional LateralityStroke RehabilitationDisease ProgressionEvoked Potentials, MotorFemaleHumansMaleMiddle AgedMotor CortexMuscle, SkeletalTranscranial Magnetic StimulationTreatment Outcome

Identifiers

PMID26060584
PMCPMC4427769
OpenAlexW2063374414

What OpenQuestion holds

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LicenceCC BY
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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.