Clinical Characteristics and Prognosis of Patients with Unstable Angina Treated Medically and Surgically : Results in Patients with ST-segment Elevation and Depression : Unstable Angina
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概要
- 論文の詳細を見る
A randomized prospective study was carried out and the therapeutical effects of intensive medical management in the acute stage of unstable angina were compared with those of urgent coronary bypass surgery on patients admitted to Kanazawa Medical University Hospital, who showed an ST elevation or depression during their attacks. Seventy patients with unstable angina were evaluated clinically, angiographically and hemodynamically : 41 of them had a transient ST elevation (26 treated medically ; 15 surgically ) and 29 had a transient ST depression (15 treated medically ; 14 surgically). The hospital mortality rates were 12.2% for the medical group (3.8% in patients with an ST elevation ; 26.7% in an ST depression ) and 17.2% for the surgical group (6.7% in an ST elevation ; 28.6% in an ST depression). These differences were not significant. The incidence of myocardial infarction among in-patients was 7.3% in the medical group (0% in the patients with an ST elevation ; 20% in an ST depression) and 13.8% in the surgical group (13.3% in an ST elevation ; 14.3% in an ST depression). These differences were also not significant. On their coronary angiograms, single vessel disease was significantly frequent in unstable angina with an ST elevation and so was triple vessel disease in patients with an ST depression. Left ventricular function was markedly improved in patients with as ST elevation after coronary bypass surgery. However, in unstable angina with an ST depression, there was no amelioration of left ventricular contractility and relaxation. It is concluded that by medical or surgical treatment, patients with unstable angina showing an ST elevation during their attacks had a fairly better prognosis than those showing an ST depression ; the left ventricular function of the ST elevation group was improved considerably after AC bypass surgery, while those of the ST depression group showed no improvement.
- 社団法人日本循環器学会の論文
- 1983-04-20
著者
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Takekoshi Noboru
Division of Cardiology, Kanazawa Cardiovascular Hospital
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Murakami Eiji
Division Of Cardiology Department Of Internal Medicine Kanazawa Medical University
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Nakajima Masamichi
The First Department Of Surgery Kanazawa Medical University
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Takekoshi Noboru
Department Of Cardiology Kanazawa Medical University
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Murakami Eizi
2nd Division Dept. Of Intel'n. Med . Kanazawa Univ. Sch. Of Med.
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Takekoshi Noboru
Division Of Cardiology Department Of Internal Medicine Kanazawa Medical University
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