Evidence mapPaperPMID 42422265Full record

ArticleEuropean heart journal. Imaging methods and practice2026

Cardiac energetics in health and disease: a meta-analysis.

Jonathan J H Bray, John A Henry, Archit Singhal, Takanayi Mureyi, Liam S Couch, Mahmood Ahmad, Ladislav Valkovič, Stefan Neubauer, Andrew J M Lewis, O J Rider

Abstract read
In one paragraph

Article in European heart journal. Imaging methods and practice, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing 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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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.

Jonathan J H BrayOxford Heart Centre, Oxford University Hospitals, NHS Trust, Oxford, UK.
John A HenryOxford Centre for Clinical Magnetic Resonance Research, Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, United Kingdom.ORCID https://orcid.org/0000-0002-7650-0963
Archit SinghalOxford Centre for Clinical Magnetic Resonance Research, Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, United Kingdom.ORCID https://orcid.org/0000-0003-3938-5916
Takanayi MureyiOxford Heart Centre, Oxford University Hospitals, NHS Trust, Oxford, UK.
Liam S CouchOxford Heart Centre, Oxford University Hospitals, NHS Trust, Oxford, UK.
Mahmood AhmadDepartment of Cardiology, Royal Free London NHS Foundation Trust, London, UK.
Ladislav ValkovičOxford Centre for Clinical Magnetic Resonance Research, Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, United Kingdom.
Stefan NeubauerOxford Centre for Clinical Magnetic Resonance Research, Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, United Kingdom.ORCID https://orcid.org/0000-0001-9017-5645
Andrew J M LewisOxford Centre for Clinical Magnetic Resonance Research, Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, United Kingdom.
O J RiderOxford Centre for Clinical Magnetic Resonance Research, Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, United Kingdom.ORCID https://orcid.org/0000-0003-1295-7769

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Aims: The cardiac phosphocreatine-to-ATP ratio (PCr/ATP) is the principal non-invasive biomarker of myocardial energetic status and is measured by phosphorus magnetic resonance spectroscopy ( Methods and results: Here, we use systematic review and meta-analysis of all available studies reporting cardiac PCr/ATP ratios to show pooled reference values across populations (databases searched: Embase, Medline, CENTRAL). We collected data on differing methodological factors to enable adjustment. We included 176 studies comprising 7843 individual participant magnetic resonance examinations between 1987 and 2025. The pooled PCr/ATP ratio was 1.96 for healthy volunteers ( Conclusion: This comprehensive meta-analysis provides reference PCr/ATP values across cardiac conditions, implicating energetic impairment as a common pathway spanning myocardial diseases of diverse aetiology, and suggests that methodological heterogeneity does not fully account for the observed between-group differences. Registration: PROSPERO (CRD420251081946).

Indexed as

cardiac energy metabolismenergeticsmagnetic resonance imagingMRSPCr/ATPphosphorus spectroscopy

Identifiers

PMID42422265
PMCPMC13344855

What Socratic holds

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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 Socratic graph.