Evidence map›Paper›PMID 33616783›Full record

ArticleThe international journal of cardiovascular imaging2021

The corrected left ventricular ejection fraction: a potential new measure of ventricular function.

Jonathan Carl Luis Rodrigues, Benjamin Rooms, Katie Hyde, Stephen Rohan, Angus K Nightingale, Julian Paton, Nathan Manghat, Chiara Bucciarelli-Ducci, Mark Hamilton, Henggui Zhang and 1 more

Abstract read
PubMed Publisher
In one paragraph

Article in The international journal of cardiovascular imaging, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
2.4field-weighted citation impact, top 10% 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

9 citing papers in PubMed, 17 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Article
  6. [Using CT to Evaluate Cardiac Function].Journal of the Korean Society of Radiology · 2024
    Review
  7. A Holistic View of Advanced Heart Failure.Life (Basel, Switzerland) · 2022
    Review
  8. Article
  9. Left ventricular ejection fraction: how to improve an established index?The international journal of cardiovascular imaging · 2021
    Article
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

11 authors at 5 institutions in 2 countries.

Jonathan Carl Luis RodriguesNIHR Bristol Cardiovascular Biomedical Research Centre, Cardiac Magnetic Resonance Department, Bristol Heart Institute, University Hospitals Bristol NHS Foundation Trust, Bristol, UK.ORCID http://orcid.org/0000-0003-2744-3509
Benjamin RoomsMedical School, Faculty of Medicine and Dentistry, University of Bristol, Bristol, UK.
Katie HydeMedical School, Faculty of Medicine and Dentistry, University of Bristol, Bristol, UK.
Stephen RohanMedical School, Faculty of Medicine and Dentistry, University of Bristol, Bristol, UK.
Angus K NightingaleCardioNomics Research Group, Clinical Research and Imaging Centre, Bristol Heart Institute, University Hospitals Bristol NHS Foundation Trust, Bristol, UK.
Julian PatonCardioNomics Research Group, Clinical Research and Imaging Centre, Bristol Heart Institute, University Hospitals Bristol NHS Foundation Trust, Bristol, UK.
Nathan ManghatDepartment of Radiology, Bristol Royal Infirmary, University Hospitals Bristol NHS Foundation Trust, Bristol, UK.
Chiara Bucciarelli-DucciNIHR Bristol Cardiovascular Biomedical Research Centre, Cardiac Magnetic Resonance Department, Bristol Heart Institute, University Hospitals Bristol NHS Foundation Trust, Bristol, UK.
Mark HamiltonDepartment of Radiology, Bristol Royal Infirmary, University Hospitals Bristol NHS Foundation Trust, Bristol, UK.
Henggui ZhangBiological Physics Group, School of Physics and Astronomy, University of Manchester, Manchester, UK.
David H MacIverBiological Physics Group, School of Physics and Astronomy, University of Manchester, Manchester, UK. david.maciver@manchester.ac.uk.
University Hospitals Bristol NHS Foundation Trust · GBUniversity of Bristol · GBMusgrove Park Hospital · GBUniversity of Auckland · NZUniversity of Manchester · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Left ventricular ejection fraction (LVEF) has a limited role in predicting outlook in heart diseases including heart failure. We quantified the independent geometric factors that determine LVEF using cardiac MRI and sought to provide an improved measure of ventricular function by adjusting for such independent variables. A mathematical model was used to analyse the independent effects of structural variables and myocardial shortening on LVEF. These results informed analysis of cardiac MRI data from 183 patients (53 idiopathic dilated cardiomyopathy (DCM), 36 amyloidosis, 55 hypertensives and 39 healthy controls). Left ventricular volumes, LVEF, wall thickness, internal dimensions and longitudinal and midwall fractional shortening were measured. The modelling demonstrated LVEF increased in a curvilinear manner with increasing mFS and longitudinal shortening and wall thickness but decreased with increasing internal diameter. Controls in the clinical cohort had a mean LVEF 64  ±  7%, hypertensives 66  ±  8%, amyloid 49 ±  16% and DCM 30  ±  11%. The mean end-diastolic wall thickness in controls was 8  ±  1 mm, DCM 8  ±  1 mm, hypertensives 11  ±  3 mm and amyloid 14  ±  3 mm, P < 0.0001). LVEF correlated with absolute wall thickening relative to ventricular size (R

Indexed as

Cardiomyopathy, DilatedVentricular Function, LeftHeart VentriclesHumansPredictive Value of TestsStroke VolumeAmyloidCardiomyopathyEjection fractionHypertensionLeft ventricular hypertrophyMyocardial shorteningMyocardial strain

Identifiers

PMID33616783
OpenAlexW3130382984

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.