Volume 23, Issue 7 e13548
ORIGINAL ARTICLE

Severe heart failure and the need for mechanical circulatory support and heart transplantation in pediatric patients with myocarditis: Results from the prospective multicenter registry “MYKKE”

Stephan Schubert

Corresponding Author

Stephan Schubert

Department of Congenital Heart Disease - Pediatric Cardiology, German Heart Center Berlin, Berlin, Germany

DZHK (German Centre for Cardiovascular Research), Berlin, Germany

Correspondence

Stephan Schubert, Department of Congenital Heart Disease - Pediatric Cardiology, German Heart Center Berlin, Augustenburger Platz 1, 13353 Berlin, Germany.

Email:[email protected]

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Bernd Opgen-Rhein

Bernd Opgen-Rhein

Department for Pediatric Cardiology, Charité - Universitätsmedizin Berlin, Berlin, Germany

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Martin Boehne

Martin Boehne

Department of Pediatric Cardiology and Intensive Care Medicine, Hannover Medical School, Hannover, Germany

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Annika Weigelt

Annika Weigelt

Department for Pediatric Cardiology, University Hospital Erlangen, Erlangen, Germany

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Robert Wagner

Robert Wagner

Department for Pediatric Cardiology, Herzzentrum Leipzig, Leipzig, Germany

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Götz Müller

Götz Müller

Department for Pediatric Cardiology, Universitäres Herzzentrum Hamburg, Hamburg, Germany

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Axel Rentzsch

Axel Rentzsch

Department for Pediatric Cardiology, Universitätsklinikum des Saarlandes, Homburg, Germany

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Edzard zu Knyphausen

Edzard zu Knyphausen

Department for Pediatric Cardiology, Herz- und Diabetes-zentrum NRW, Bad Oeynhausen, Germany

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Marcus Fischer

Marcus Fischer

Department of Pediatric Cardiology and Pediatric Intensive Care, Ludwig Maximilians University of Munich, Munich, Germany

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Konstantin Papakostas

Konstantin Papakostas

Department for Pediatric Cardiology, Klinikum Links der Weser, Bremen, Germany

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Gesa Wiegand

Gesa Wiegand

Department for Pediatric Cardiology, University Hospital Tübingen, Tübingen, Germany

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Bettina Ruf

Bettina Ruf

Department for Pediatric Cardiology, Deutsches Herzzentrum München, München, Germany

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Tobias Hannes

Tobias Hannes

Department for Pediatric Cardiology, University Hospital Köln, Köln, Germany

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Katja Reineker

Katja Reineker

Department for Pediatric Cardiology, Universitäts-Herzzentrum Freiburg Bad Krozingen, Freiburg, Germany

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Daniela Kiski

Daniela Kiski

Department for Pediatric Cardiology, University Hospital Münster, Münster, Germany

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Markus Khalil

Markus Khalil

Department for Pediatric Cardiology, University Hospital Gießen, Giessen, Germany

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Michael Steinmetz

Michael Steinmetz

Department for Pediatric Cardiology, Universitätsmedizin Göttingen, Göttingen, Germany

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Gunther Fischer

Gunther Fischer

Department for Pediatric Cardiology, University Hospital Schleswig-Holstein, Kiel, Germany

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Thomas Pickardt

Thomas Pickardt

Kompetenznetz Angeborene Herzfehler, Berlin, Germany

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Karin Klingel

Karin Klingel

Cardiopathology, Institute for Pathology and Neuropathology, University Hospital Tübingen, Tübingen, Germany

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Daniel R. Messroghli

Daniel R. Messroghli

DZHK (German Centre for Cardiovascular Research), Berlin, Germany

Department for Cardiology, Deutsches Herzzentrum Berlin, Berlin, Germany

Department for Cardiology, Charité - Universitätsmedizin Berlin, Berlin, Germany

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Franziska Degener

Franziska Degener

Department of Congenital Heart Disease - Pediatric Cardiology, German Heart Center Berlin, Berlin, Germany

DZHK (German Centre for Cardiovascular Research), Berlin, Germany

Institute for Cardiovascular Computer-assisted Medicine, Charité – Universitätsmedizin Berlin, Berlin, Germany

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On behalf of the MYKKE consortium
First published: 11 July 2019
Citations: 43
Messroghli and Degener are contributed equally.

Abstract

Myocarditis represents an important cause for acute heart failure. MYKKE, a prospective multicenter registry of pediatric patients with myocarditis, aims to gain knowledge on courses, diagnostics, and therapy of pediatric myocarditis. The role of mechanical circulatory support (MCS) in children with severe heart failure and myocarditis is unclear. The aim of this study was to determine characteristics and outcome of patients with severe heart failure requiring MCS and/or heart transplantation. The MYKKE cohort between September 2013 and 2016 was analyzed. A total of 195 patients were prospectively enrolled by 17 German hospitals. Twenty-eight patients (14%) received MCS (median 1.5 years), more frequently in the youngest age group (0-2 years) than in the older groups (P < 0.001; 2-12 and 13-18 years). In the MCS group, 50% received a VAD, 36% ECMO, and 14% both, with a survival rate of 79%. The weaning rate was 43% (12/28). Nine (32%) patients were transplanted, one had ongoing support, and six (21%) died. Histology was positive for myocarditis in 63% of the MCS group. Patients within the whole cohort with age <2 years and/or ejection fraction <30% had a significantly worse survival with high risk for MCS, transplantation, and death (P < 0.001). Myocarditis represents a life-threatening disease with an overall mortality of 4.6% in this cohort. The fulminant form more often affected the youngest, leading to significantly higher rate of MCS, transplantation, and mortality. MCS represents an important and life-saving therapeutic option in children with myocarditis with a weaning rate of 43%.

CONFLICT OF INTEREST

None.

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