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- W2083415422 abstract "A medical approach to treatment was adopted in 652 patients with documented myocardial ischemia at rest during both the acute and fellow-up phases. No patient underwent coronary revascularization during hospitalization and only 86 patients (13%) underwent coronary bypass surgery within 8 months from discharge. During hospitalization 13 patients died. In the remaining group (639 patients), the likelihood of death in the 10-year period after discharge was 28% for all patients and 20% for cardiac causes only. A series of factors studied during the acute stage were assessed in an effort to predict long-term outcome. The following noninvasive characteristics, listed in decreasing order of statistical significance, were found to be significant univariate predictors of survival: abnormal basal electrocardiogram, duration of coronary artery disease, previous myocardial infarction, pattern of STT changes during episodes of ischemia at rest, age and systemic hypertension. The average annual mortality rate for patients with T-wave changes, ST-segment elevation and ST-segment depression was 0.9, 1.8 and 3%, respectively. The Cox survival analysis identified abnormal basal electrocardiogram, duration of coronary artery disease and pattern of ST-T changes as significant, independent predictors of death. When invasive characteristics were entered in the model, number of ≥50% narrowed coronary arteries, left ventricular ejection fraction, abnormal basal electrocardiogram and smoking habit were found to be independent and additive prognostic variables. Thus, long-term prognosis of patients with ischemia at rest is related to the severity of anatomic impairment, independent of the pattern of ST-T changes observed during the acute phase. However, noninvasive features can also be used to assess prognosis in ischemia at rest and to select high-risk populations." @default.
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- W2083415422 date "1989-10-01" @default.
- W2083415422 modified "2023-10-14" @default.
- W2083415422 title "Long-term prognosis of transient acute myocardial ischemia at rest" @default.
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- W2083415422 doi "https://doi.org/10.1016/0002-9149(89)90837-0" @default.
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