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Myocarditis

Open access
Sagar, Sandeep, Liu, Peter P, Cooper, Leslie T·2012·The Lancet

Abstract

Myocarditis is an underdiagnosed cause of acute heart failure, sudden death, and chronic dilated cardiomyopathy. In developed countries, viral infections commonly cause myocarditis; however, in the developing world, rheumatic carditis, Trypanosoma cruzi, and bacterial infections such as diphtheria still contribute to the global burden of the disease. The short-term prognosis of acute myocarditis is usually good, but varies widely by cause. Those patients who initially recover might develop recurrent dilated cardiomyopathy and heart failure, sometimes years later. Because myocarditis presents with non-specific symptoms including chest pain, dyspnoea, and palpitations, it often mimics more common disorders such as coronary artery disease. In some patients, cardiac MRI and endomyocardial biopsy can help identify myocarditis, predict risk of cardiovascular events, and guide treatment. Finding effective therapies has been challenging because the pathogenesis of chronic dilated cardiomyopathy after viral myocarditis is complex and determined by host and viral genetics as well as environmental factors. Findings from recent clinical trials suggest that some patients with chronic inflammatory cardiomyopathy have a progressive clinical course despite standard medical care and might improve with a short course of immunosuppression.

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Registry

Crossref · 10.1016/s0140-6736(11)60648-x

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103 of 103 references verified0 citation errors · 0 not checkable

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  • Giant cell myocarditis is a rare but rapidly progressing condition associated with a high risk of death or the necessity for heart transplantation.

    “Giant cell myocarditis is a rare but rapidly progressing condition associated with a high risk of death or the necessity for heart transplantation.”

    From Autoimmune Myocarditis, Old Dogs and New Tricks. (2024) · cites this paper as [186]

    The Cause section describes giant-cell myocarditis as rare and says it presents with fulminant or acute heart failure, supporting the rapid-progression characterization. The Classification section calls it a more serious form to consider when prognosis is worse. The copy does not establish a high risk of death or need for transplantation specifically for giant-cell myocarditis; its death-or-transplantation discussion concerns myocarditis more broadly. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • Eosinophilic myocarditis is characterized by predominant infiltration of eosinophils in the myocardium.

    “Eosinophilic myocarditis is characterized by a predominant infiltration of eosinophils in the myocardium”

    From Autoimmune Myocarditis, Old Dogs and New Tricks. (2024) · cites this paper as [186]

    The Cause section describes an eosinophil-rich infiltrate in acute necrotising eosinophilic myocarditis. It does not explicitly say that eosinophils predominate in the myocardium across all forms of eosinophilic myocarditis; the Classification section also notes that an eosinophil-rich infiltrate can occur in giant-cell myocarditis. Page numbers are unavailable in our copy. (LLM, conf=0.78)

    Experimental — accuracy not yet measured
  • Eosinophilic myocarditis leads to advanced heart disorders such as heart failure, fibrosis, and thrombosis.

    “leading to advanced heart disorders such as heart failure, fibrosis, and thrombosis.”

    From Autoimmune Myocarditis, Old Dogs and New Tricks. (2024) · cites this paper as [186]

    The Cause section says acute necrotising eosinophilic myocarditis can present with fulminant or acute heart failure. It describes little fibrosis in the acute setting, rather than identifying fibrosis as a consequence of that condition, and the passages found do not link eosinophilic myocarditis to thrombosis. The claim’s list of three outcomes is therefore only partly supported. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • ECG in myocarditis can show either diffuse ST-segment elevations or ST-segment elevation in a coronary distribution.

    “can show either diffuse STsegment elevations or ST-segment elevation in a coronary distribution.”

    From Autoimmune Myocarditis, Old Dogs and New Tricks. (2024) · cites this paper as [186]

    The Diagnosis section says pericarditis accompanying epicardial inflammation can produce diffuse ST-segment elevation in myocarditis. It also mentions other ST-wave abnormalities, but does not say that ST-segment elevation can follow a coronary distribution; its reference to coronary distribution concerns wall-motion abnormalities, not ECG findings. No page number is available in our copy. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • Various conditions including infections, drugs, hypersensitivity, and autoimmune factors may be associated with the onset and progress of eosinophilic myocarditis.

    “various conditions including infections, drugs, hypersensitivity, and autoimmune factors may be associated with the onset and progress of this disease.”

    From Autoimmune Myocarditis, Old Dogs and New Tricks. (2024) · cites this paper as [186]

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Cites

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1 of the 104 references couldn’t be matched to a known paper.

Research works printed but not linked: 7

  1. [10]Alvarez JA Orav EJ Wilkinson JD for the Pediatric Cardiomyopathy Registry Investigators Competing risks for death and cardiac transplantation in children with dilated cardiomyopathy: results from the pediatric cardiomyopathy registry Circulation 2011 124 814 23 21788591 PMC3199969
  2. [39]Marques DS Canesin MF Barutta F Júnior Fuganti CJ Barretto AC Evaluation of asymptomatic patients with chronic Chagas disease through ambulatory electrocardiogram, echocardiogram and B-Type natriuretic peptide analyses Arq Bras Cardiol 2006 87 336 43 17057935
  3. [51]Daniels P Berry G Tazelaar H Cooper L Hypersensitivity myocarditis presenting histologically with fulminant giant cell myocarditis Cardiovasc Pathol 2000 9 287 91 11064276
  4. [57]Cooper LT Jr Myocarditis N Engl J Med 2009 360 1526 38 19357408 PMC5814110
  5. [64]Lee JK Zaidi SH Liu P A serine elastase inhibitor reduces inflammation and fibrosis and preserves Nat Med 1998 4 1383 91 9846575
  6. [76]Mendes LA Dec GW Picard MH Palacios IF Newell J Davidoff R Right ventricular dysfunction: an independent predictor of adverse outcome Am Heart J 1994 128 301 07 8037097
  7. [100]Zipes D Camm A Borggrefe M ACC/AHA/ESC 2006 Guideline for management of patients with ventricular arrhythmias and the prevention of sudden cardiac death Circulation 2006 114 e385 484 16935995

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Authors
Sagar, S., Liu, P. P., & Cooper, L. T.
Affiliations
  • Mayo Clinic (US)
  • University Health Network (CA)
Corresponding author
Cooper, Leslie T
Venue
The Lancet
Publisher
Elsevier BV
Published
2012-02
Volume
379
Issue
9817
Pages
738-747
ISSN
  • 0099-5355 (ISSN-L)
  • 0140-6736
OpenAlex
W4240413437
Cited by
743
References
104
Citations by year
2026: 41 · 2025: 83 · 2024: 89 · 2023: 81 · 2022: 79 · 2021: 60 · 2020: 44 · 2019: 58 · 2018: 34 · 2017: 42 · 2016: 38 · 2015: 34 · 2014: 24 · 2013: 25 · 2012: 11
FWCI
3.23
Type
journal article
Language
en
Open access
Locations
  • The Lancet (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Heart, Lung, and Blood Institute (R56HL056267, R01HL056267)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Viral Infections and Immunology Research
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Pericarditis and Cardiac Tamponade
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Fibrosis and Remodeling
Keywords
myocarditis, viral myocarditis, dilated cardiomyopathy, acute heart failure, sudden cardiac death, rheumatic carditis, Trypanosoma cruzi, diphtheria, cardiac MRI, endomyocardial biopsy, immunosuppression, prognosis, pathogenesis
MeSH terms
Acute Disease, Bacterial Infections, Humans, Myocarditis, Prognosis, Virus Diseases

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