Evidence map›Paper›PMID 33865784›Full record

ArticleJACC. Cardiovascular imaging2021

Functional and Economic Impact of INOCA and Influence of Coronary Microvascular Dysfunction.

Christopher L Schumann, Roshin C Mathew, John-Henry L Dean, Yang Yang, Pelbreton C Balfour, Peter W Shaw, Austin A Robinson, Michael Salerno, Christopher M Kramer, Jamieson M Bourque

Open access · greenAbstract read
In one paragraph

Article in JACC. Cardiovascular imaging, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed
9.7field-weighted citation impact, top 1% 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

52 citing papers in PubMed, 99 citations in OpenAlex.

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  17. Angina and coronary microvascular dysfunction: unravelling the links.EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology · 2025
    Article
  18. Societal, occupational, and economic considerations for women with (M)INOCA: a narrative review.International journal of occupational medicine and environmental health · 2025
    Review
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors at 2 institutions in 1 country.

Christopher L SchumannDivision of Cardiovascular Medicine and the Cardiac Imaging Center, University of Virginia Health System, Charlottesville, Virginia, USA.
Roshin C MathewDivision of Cardiovascular Medicine and the Cardiac Imaging Center, University of Virginia Health System, Charlottesville, Virginia, USA.
John-Henry L DeanDivision of Cardiovascular Medicine and the Cardiac Imaging Center, University of Virginia Health System, Charlottesville, Virginia, USA.
Yang YangDivision of Cardiovascular Medicine and the Cardiac Imaging Center, University of Virginia Health System, Charlottesville, Virginia, USA; Biomedical Engineering and Imaging Institute and Department of Radiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA.
Pelbreton C BalfourBaptist Heart & Vascular Institute and Cardiology Consultants, Pensacola, Florida, USA.
Peter W ShawBerkshire Medical Center, Pittsfield, Massachusetts, USA.
Austin A RobinsonDivision of Cardiovascular Medicine and the Cardiac Imaging Center, University of Virginia Health System, Charlottesville, Virginia, USA.
Michael SalernoDivision of Cardiovascular Medicine and the Cardiac Imaging Center, University of Virginia Health System, Charlottesville, Virginia, USA; Department of Radiology and Medical Imaging, University of Virginia Health System, Charlottesville, Virginia, USA; Department of Biomedical Engineering, University of Virginia School of Medicine, Charlottesville, Virginia, USA.
Christopher M KramerDivision of Cardiovascular Medicine and the Cardiac Imaging Center, University of Virginia Health System, Charlottesville, Virginia, USA; Department of Radiology and Medical Imaging, University of Virginia Health System, Charlottesville, Virginia, USA.
Jamieson M BourqueDivision of Cardiovascular Medicine and the Cardiac Imaging Center, University of Virginia Health System, Charlottesville, Virginia, USA; Department of Radiology and Medical Imaging, University of Virginia Health System, Charlottesville, Virginia, USA. Electronic address: JMB8T@virginia.edu.
University of Virginia Health System · USBerkshire Medical Center · US

Funding

Training in Cardiovascular Imaging ResearchT32EB003841 · NIBIB · UNIVERSITY OF VIRGINIA CHARLOTTESVILLE · PI Jonathan R Lindner · 2004 to 2026
$4.4M
Assessment of Perfusion Reserve and Effects of Exercise in Microvascular AnginaK23HL119620 · NHLBI · UNIVERSITY OF VIRGINIA · PI BOURQUE, JAMIESON MACDONALD · 2013 to 2017
$745k
Medical Research Council MR/S018905/1NHLBI NIH HHS K23 HL119620NIBIB NIH HHS T32 EB003841
6 · The paper itself

Abstract

objectivesThis study sought to better characterize the quality of life and economic impact in patients with symptoms of ischemia and no obstructive coronary disease (INOCA) and to identify the influence of coronary microvascular dysfunction (CMD).

backgroundPatients with INOCA have a high symptom burden and an increased incidence of major adverse cardiac events. CMD is a frequent cause of INOCA. The morbidity associated with INOCA and CMD has not been well-characterized.

methodsSixty-six patients with INOCA underwent stress cardiac magnetic resonance with calculation of myocardial perfusion reserve (MPR); MPR 2.0 to 2.4 was considered borderline-reduced (possible CMD) and MPR <2.0 was defined as reduced (definite CMD). Subjects completed quality of life questionnaires to assess the morbidity and economic impact of INOCA. Questionnaire results were compared between INOCA patients with and without CMD. In addition, logistic regression was used to determine the predictors of CMD within the INOCA population.

resultsThe prevalence of definite CMD was 24%. Definite or borderline CMD was present in 59% (MPR ≤2.4). Patients with INOCA reported greater physical limitation, angina frequency, and reduced quality of life compared to referent stable coronary artery disease and acute myocardial infarction populations. In addition, Patients with INOCA reported frequent time missed from work and work limitations, suggesting a substantial economic impact. No difference was observed in reported symptoms between INOCA patients with and without CMD. Glomerular filtration rate and body-mass index were significant predictors of CMD in multivariable regression analysis.

conclusionsINOCA is associated with high morbidity similar to other high-risk cardiac populations, and work limitations reported by Patients with INOCA suggest a substantial economic impact. CMD is a common cause of INOCA but is not associated with increased morbidity. These results suggest that there is significant symptom burden in the INOCA population regardless of etiology.

Indexed as

Coronary Artery DiseaseHumansPredictive Value of TestsQuality of Lifecoronary microvascular dysfunctionexerciseischemia and no obstructive coronary artery diseasequality of life

Identifiers

PMID33865784
PMCPMC8273074
OpenAlexW3155883415

What OpenQuestion holds

Textmetadata
LicenceTDM
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.