書誌事項
- タイトル別名
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- An Autopsy Case of Elderly Idiopathic Enlargement of the Right Atrium.
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We report an autopsy case of an 88-year-old man with idiopathic enlargement of the right atrium which is considered to be the oldest case reported. The patient was given a diagnosis of atrial fibrillation at the age of 75 years, when he developed congestive heart failure. Bradycardia associated with partial atrial standstill was detected and, the patient underwent implantation of a pacemaker at age 77. An echocardiogram revealed marked enlargement of the right atrium and moderate enlargement of the left atrium. Thus, idiopathic enlargement of the right atrium was diagnosed. He had recurrent congestive heart failure before admission to our hospital because of malnutrition and anemia. Although he was treated with high calorie intravenous infusion and blood transfusion, he died of pneumonia and heart failure.<br>Postmortem examination revealed that the heart weighed 430g, and there was marked dilatation of the right atrium which had an extremely thin wall. The annular circumference of the tricuspid valvewas markedly dilated, 170mm, resulting in tricuspid regurgitation. The left atrium was moderately dilated and the right and left ventricles were slightly dilated. Histologically, the free wall of the right atrium was totally replaced by fibrous tissue and atrioventricular valves did not reveal any rheumatic changes. These pathological findings were compatible with idiopathic enlargement of the right atrium. There has been no previous case report of idiopathic enlargement of the right atrium in a patient aged 80 years of age or over.
収録刊行物
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- 日本老年医学会雑誌
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日本老年医学会雑誌 36 (1), 59-64, 1999
一般社団法人 日本老年医学会
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詳細情報 詳細情報について
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- CRID
- 1390001205022034432
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- NII論文ID
- 130003652472
- 10008483713
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- NII書誌ID
- AN00199010
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- ISSN
- 03009173
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- PubMed
- 10332196
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
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- PubMed
- CiNii Articles
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