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Published in: Current Cardiology Reports 7/2017

01-07-2017 | Pericardial Disease (AL Klein, Section Editor)

New Insights into Pericarditis: Mechanisms of Injury and Therapeutic Targets

Authors: Bo Xu, Serge C. Harb, Paul C. Cremer

Published in: Current Cardiology Reports | Issue 7/2017

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Abstract

Purpose of Review

This review article aims to provide a contemporary insight into the pathophysiological mechanisms of and therapeutic targets for pericarditis, drawing distinction between autoinflammatory and autoimmune pericarditis.

Recent Findings

Recent research has focused on the distinction between autoinflammatory and autoimmune pericarditis. In autoinflammatory pericarditis, viruses can activate the sensor molecule of the inflammasome, which results in downstream release of cytokines, such as interleukin-1, that recruit neutrophils and macrophages to the site of injury. Conversely, in autoimmune pericarditis, a type I interferon signature predominates, and pericardial manifestations coincide with the severity of the underlying systemic autoimmune disease. In addition, autoimmune pericarditis can also develop after cardiac injury syndromes. With either type of pericarditis, imaging can help stage the inflammatory state. Prominent pericardial delayed hyperenhancement on magnetic resonance imaging suggests ongoing inflammation whereas calcium on computed tomography suggests a completed inflammatory cascade. In patients with ongoing pericarditis, treatments that converge on the inflammasome, such as colchicine and anakinra, have proved effective in recurrent autoinflammatory pericarditis, though further clinical trials with anakinra are warranted.

Summary

An improved understanding of the pathophysiological mechanisms of pericarditis helps unravel effective therapeutic targets for this condition.
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Metadata
Title
New Insights into Pericarditis: Mechanisms of Injury and Therapeutic Targets
Authors
Bo Xu
Serge C. Harb
Paul C. Cremer
Publication date
01-07-2017
Publisher
Springer US
Published in
Current Cardiology Reports / Issue 7/2017
Print ISSN: 1523-3782
Electronic ISSN: 1534-3170
DOI
https://doi.org/10.1007/s11886-017-0866-6

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