Evidence map›Paper›PMID 41963073›Full record

Trial reportBMJ open respiratory research2026

Parasternal electromyography in participants with mild or moderate chronic obstructive pulmonary disease in primary care: cohort study to assess technical and clinical application.

Timothy H Harries, Rebecca D'Cruz, Gill Gilworth, Chris Corrigan, Patrick Murphy, Nicholas Hart, Peter Schofield, Helen F Ashdown, Luke Daines, Patrick T White

Abstract readObservational StudyRandomized Controlled Trial
PubMed Full text at PMC Publisher
In one paragraph

Trial report in BMJ open respiratory research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–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

1 citing paper in PubMed.

  1. Review
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.

Timothy H HarriesDepartment of Population Health Sciences, King's College London, London, UK timothy.harries@kcl.ac.uk.ORCID http://orcid.org/0000-0002-3891-9157
Rebecca D'CruzLane Fox Respiratory Unit, Guy's and St Thomas' NHS Foundation Trust, London, UK.ORCID http://orcid.org/0000-0001-5245-9911
Gill GilworthDepartment of Population Health Sciences, King's College London, London, UK.
Chris CorriganDepartment of Asthma Allergy & Respiratory Science, King's College London, London, UK.ORCID http://orcid.org/0000-0002-0706-6534
Patrick MurphyLane Fox Respiratory Unit, Guy's and St Thomas' NHS Foundation Trust, London, UK.
Nicholas HartLane Fox Respiratory Unit, Guy's and St Thomas' NHS Foundation Trust, London, UK.
Peter SchofieldDepartment of Population Health Sciences, King's College London, London, UK.ORCID http://orcid.org/0000-0003-1201-527X
Helen F AshdownNuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK.ORCID http://orcid.org/0000-0002-7758-7095
Luke DainesUsher Institute, University of Edinburgh, Edinburgh, UK.ORCID http://orcid.org/0000-0003-0564-4000
Patrick T WhiteDepartment of Population Health Sciences, King's College London, London, UK.ORCID http://orcid.org/0000-0002-2047-8787

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNeural respiratory drive (NRD) measurement, reflecting the balance between respiratory muscle load and capacity, is quantified using surface parasternal electromyography (EMG STUDY

aims(1) assessing the feasibility of measuring EMG

methodsParticipants with stable mild/moderate COPD, using inhaled corticosteroid (ICS) therapy, were recruited from 20 general practices. Participants were randomly allocated to continue using ICS (maintenance group) or to withdraw ICS (withdrawal group) over 6 weeks. EMG

resultsForty COPD participants were recruited: age 70±9.2 years; body mass index 26±5.3 kg/m

conclusionsEMG

Indexed as

ElectromyographyPulmonary Disease, Chronic ObstructiveRespiratory MusclesAdministration, InhalationAdrenal Cortex HormonesAgedCohort StudiesDyspneaFeasibility StudiesFemaleForced Expiratory VolumeHumansMaleMiddle AgedPrimary Health CareQuality of LifeAdrenal Cortex HormonesCOPD epidemiologyPatient Outcome AssessmentPerception of Asthma/BreathlessnessPulmonary Disease, Chronic ObstructiveRespiratory Measurement

Identifiers

PMID41963073
PMCPMC13084930

What OpenQuestion holds

Textmetadata
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.