Recurrent Myocarditis of Unknown Etiology

Hiromi Kanazawa; Noritake Hata; Eisei Yamamoto; Takuro Shinada; Shinya Yokoyama; Takayoshi Ohba; Takahiro Imaizumi; Yoshiharu Ohaki

doi:10.1272/jnms.71.292

Reports on Experiments and Clinical Cases

Recurrent Myocarditis of Unknown Etiology

Hiromi Kanazawa, Noritake Hata, Eisei Yamamoto, Takuro Shinada, Shinya Yokoyama, Takayoshi Ohba, Takahiro Imaizumi, Yoshiharu Ohaki

Author information

Hiromi Kanazawa
Division of Intensive Care Unit, Chiba Hokusoh Hospital, Nippon Medical School
Noritake Hata
Division of Intensive Care Unit, Chiba Hokusoh Hospital, Nippon Medical School
Eisei Yamamoto
Division of Intensive Care Unit, Chiba Hokusoh Hospital, Nippon Medical School
Takuro Shinada
Division of Intensive Care Unit, Chiba Hokusoh Hospital, Nippon Medical School
Shinya Yokoyama
Division of Intensive Care Unit, Chiba Hokusoh Hospital, Nippon Medical School
Takayoshi Ohba
Division of Intensive Care Unit, Chiba Hokusoh Hospital, Nippon Medical School
Takahiro Imaizumi
Division of Intensive Care Unit, Chiba Hokusoh Hospital, Nippon Medical School
Yoshiharu Ohaki
Division of Pathology, Chiba Hokusoh Hospital, Nippon Medical School

Keywords: chronic myocarditis, recurrence, autoimmune myocarditis

JOURNAL FREE ACCESS

2004 Volume 71 Issue 4 Pages 292-296

DOI https://doi.org/10.1272/jnms.71.292

Details

Abstract

A 42-year-old man presented with dyspnea and common cold-like symptoms. His electrocardiogram showed complete atrioventricular block and chest radiography revealed cardiomegaly and pulmonary congestion. He had a history of three recurrences of active myocarditis proven by endomyocardial biopsy over a 14-year period. Viral studies showed no evidence of recent infection, and no medications had been taken prior to this episode. This myocarditis was suggested as an unknown etiology.

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