Prognosis of patients with persistent negative U wave following myocardial infarction.
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概要
- 論文の詳細を見る
In order to clarify the clinical significance of a persistent negative U wave in patients with myocardial infarction, the clinical features and prognosis of a group of such patients were compared with a group without negative U waves. The persistent negative U wave was defined as the presence of a negative U wave at the time of discharge. The subjects were classified into 2 groups: group A-55 patients (50 males and 5 females, 59±10 years) with negative U waves; group B-70 patients (55 males and 15 females, 61±9 years) without negative U waves. The average follow-up periods were 49±21 months in group A and 42±18 months in group B. Negative U waves appeared in leads where r or R waves were present, but were not observed in leads with a QS pattern. The incidences of a diseased left anterior descending artery, multi-vessel disease, left ventricular wall motion abnormality and left ventricular ejection fraction below 50% were higher in group A than in group B. The recurrence of myocardial infarction was 18.2% in group A and 7.1% in group B, and the number of patients treated with antianginal drugs was higher in group A than in group B. The rate of recurrence of myocardial infarction at 1, 3 and 5 years was 6%, 17% and 26%, respectively in group A and 6%, 8% and 11%, respectively in group B. Thus, it was concluded that patients in group A require more active treatment than those in group B.
- International Heart Journal刊行会の論文
著者
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Kusama Yoshiki
First Department of Internal Medicine, Nippon Medical School
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Nejima Jun
First Department of Internal Medicine, Nippon Medical School
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Kusama Yoshiki
First Department Of Internal Medicine Nippon Medical School
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Kishida Hiroshi
First Department Of Internal Medicine Nippon Medical School
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Nejima Jun
First Department Of Internal Medicine Nippon Medical School
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HATA Noritake
First Department of Internal Medicine, Nippon Medical School
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OTSU Fumio
First Department of Internal Medicine, Nippon Medical School
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SUZUKI Takeshi
First Department of Internal Medicine, Nippon Medical School
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SAITO Tsutomu
First Department of Internal Medicine, Nippon Medical School
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