Evidence map›Paper›PMID 33188683›Full record

ArticleEuropean heart journal. Cardiovascular Imaging2021

Quantitative cardiovascular magnetic resonance myocardial perfusion mapping to assess hyperaemic response to adenosine stress.

Tushar Kotecha, Juan Manuel Monteagudo, Ana Martinez-Naharro, Liza Chacko, James Brown, Daniel Knight, Kristopher D Knott, Philip Hawkins, James C Moon, Sven Plein and 6 more

Open access · bronzeAbstract read
In one paragraph

Article in European heart journal. Cardiovascular Imaging, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 2 pooled it
1.2field-weighted citation impact, top 17% 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, 2 syntheses or guidelines pooled it, 24 citations in OpenAlex.

  1. Pooled it
  2. Advances in Myocardial Perfusion MR Imaging: Physiological Implications, the Importance of Quantitative Analysis, and Impact on Patient Care in Coronary Artery Disease.Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine · 2022
    Pooled it
  3. Article
  4. Article
  5. Article
  6. Article
  7. Systematic underestimation of myocardial perfusion reserve by regadenoson stress perfusion CMR-when haste makes waste.Clinical research in cardiology : official journal of the German Cardiac Society · 2024
    Article
  8. Article
  9. Article
  10. Review
  11. Differences in quantitative myocardial perfusion mapping by CMR at 1.5 T and 3 T.American heart journal plus : cardiology research and practice · 2024
    Article
  12. Article
  13. Review
  14. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

16 authors at 5 institutions in 2 countries.

Tushar KotechaInstitute of Cardiovascular Science, University College London, London, UK.
Juan Manuel MonteagudoDivision of Medicine, University College London, London, UK.
Ana Martinez-NaharroDepartment of Cardiology, Royal Free Hospital, Pond Street, London, UK.
Liza ChackoDepartment of Cardiology, Royal Free Hospital, Pond Street, London, UK.
James BrownInstitute of Cardiovascular Science, University College London, London, UK.
Daniel KnightInstitute of Cardiovascular Science, University College London, London, UK.
Kristopher D KnottInstitute of Cardiovascular Science, University College London, London, UK.
Philip HawkinsDepartment of Cardiology, Royal Free Hospital, Pond Street, London, UK.
James C MoonInstitute of Cardiovascular Science, University College London, London, UK.
Sven PleinInstitute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK.
Hui XueMedical Signal and Imaging Processing Program, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA.
Peter KellmanMedical Signal and Imaging Processing Program, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA.
Tim LockieDepartment of Cardiology, Royal Free Hospital, Pond Street, London, UK.
Niket PatelInstitute of Cardiovascular Science, University College London, London, UK.
Roby RakhitInstitute of Cardiovascular Science, University College London, London, UK.
Marianna FontanaDepartment of Cardiology, Royal Free Hospital, Pond Street, London, UK.
The Royal Free Hospital · GBBritish Heart Foundation · GBNational Institutes of Health · USUniversity College London · GBUniversity of Leeds · GB

Funding

Gadgetron Global Network and Intelligence Computing: Clinical Imaging Application Development and Software InfrastructureZIAHL006214 · NHLBI · NATIONAL HEART, LUNG, AND BLOOD INSTITUTE · PI KELLMAN, PETER · 2016 to 2025
$7.3M
Gadgetron Global Network and Artificial Intelligence Powered Cardiac ImagingZIAHL006242 · NHLBI · NATIONAL HEART, LUNG, AND BLOOD INSTITUTE · PI KELLMAN, PETER · 2019 to 2023
$2.2M
British Heart Foundation FS/18/21/33447
6 · The paper itself

Abstract

aimsAssessment of hyperaemia during adenosine stress cardiovascular magnetic resonance (CMR) remains a clinical challenge with lack of a gold-standard non-invasive clinical marker to confirm hyperaemic response. This study aimed to validate maximum stress myocardial blood flow (SMBF) measured using quantitative perfusion mapping for assessment of hyperaemic response and compare this to current clinical markers of adenosine stress. METHODS AND

resultsTwo hundred and eighteen subjects underwent adenosine stress CMR. A derivation cohort (22 volunteers) was used to identify a SMBF threshold value for hyperaemia. This was tested in a validation cohort (37 patients with suspected coronary artery disease) who underwent invasive coronary physiology assessment on the same day as CMR. A clinical cohort (159 patients) was used to compare SMBF to other physiological markers of hyperaemia [splenic switch-off (SSO), heart rate response (HRR), and blood pressure (BP) fall]. A minimum SMBF threshold of 1.43 mL/g/min was derived from volunteer scans. All patients in the coronary physiology cohort demonstrated regional maximum SMBF (SMBFmax) >1.43 mL/g/min and invasive evidence of hyperaemia. Of the clinical cohort, 93% had hyperaemia defined by perfusion mapping compared to 71% using SSO and 81% using HRR. There was no difference in SMBFmax in those with or without SSO (2.58 ± 0.89 vs. 2.54 ± 1.04 mL/g/min, P = 0.84) but those with HRR had significantly higher SMBFmax (2.66 1.86 mL/g/min, P < 0.001). HRR >15 bpm was superior to SSO in predicting adequate increase in SMBF (AUC 0.87 vs. 0.62, P < 0.001).

conclusionAdenosine-induced increase in myocardial blood flow is accurate for confirmation of hyperaemia during stress CMR studies and is superior to traditional, clinically used markers of adequate stress such as SSO and BP response.

Indexed as

Coronary Artery DiseaseHyperemiaMyocardial Perfusion ImagingAdenosineCoronary CirculationHumansMagnetic Resonance Imaging, CineMagnetic Resonance SpectroscopyMyocardiumPerfusionPredictive Value of TestsVasodilator AgentsAdenosineVasodilator Agentsblood flow hyperaemia adenosinecardiovascular magnetic resonance myocardialstress

Identifiers

PMID33188683
PMCPMC8453279
OpenAlexW3103779492

What Socratic 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 Socratic graph.