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Long-term follow-up of a Case of Polymyositis Presenting with Acute Myocarditis and Advanced A-V Block Midori Kondo 1 , Fumihiko Yasuma 2 , Satoshi Kuru 3 , Masaaki Konagaya 3 , Motoko Sakai 3 , Yuji Imanishi 1 , Masahiro Naya 1 , Hiromi Hori 1 , Yukihiko Matsuoka 3 1Research Laboratory, Suzuka National Sanatorium 2Division of Internal Medicine, Suzuka National Sanatorium 3Division of Neurology, Suzuka National Sanatorium Keyword: 多発性筋炎 , 高度房室ブロック , 心筋炎 , polymyositis , advanced A-V block , myocarditis pp.855-860
Published Date 2000/8/15
DOI https://doi.org/10.11477/mf.1404902148
  • Abstract
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We experienced a case of 57-year-old man withpolymyositis complicated with acute respiratory failureand myocarditis.

The patient was hospitalized with progressive muscleweakness, fever, and dysphagia. As he was diagnosed aspolymyositis soon after the admission, the administra-tion of corticosteroid and mechanical ventilation viatracheotomy were initiated due to the generalized andrespiratory muscle weaknesses. Simultaneously,bradycardia with advanced A-V block, which was treat-ed with intravenous cardiac pacing, along with theechocardiographic findings of the diffused hypokinesia,ventricular enlargement and thickened interventricularseptum were noted. Therefore, it was considered thatacute myocarditis with the abnormal cardiac conduc-tion occurred with an acute deteriorating phase ofpolymyositis. A year later, despite the improvements inneurological and respiratory symptoms, the abnormalfindings on echocardiography remained, with whichdilated cardiomyopathy was strongly suggested.


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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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