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  • Title: [Different clinical and prognostic aspects of angina pectoris in unstable phase].
    Author: De Servi S, Ghio S, Ragni T, Scribani Rossi F, Scirè A, Spreafico F, Ferrario M, Salerno JA, Viganò M, Montemartini C.
    Journal: G Ital Cardiol; 1985 Jul; 15(7):661-5. PubMed ID: 3878310.
    Abstract:
    The purpose of this study was to focus on the clinical and angiographic characteristics of 113 patients with crescendo angina (Group I) as compared to 187 patients with angina of new onset (Group II), selected from a series of 474 consecutive subjects, admitted to our clinic between January 1976 and July 1983 because of recurrent episodes of spontaneous angina, who underwent cardiac catheterization and coronary angiography within one month of hospitalization. Group I patients showed a greater incidence of prior transmural myocardial infarction (p less than 0.01), arterial hypertension (p less than 0.01), multivessel disease (p less than 0.01) and a lower value of left ventricular ejection fraction (p less than 0.01) than Group II patients. In the latter group of patients anginal episodes were more frequently associated with S-T segment elevation than with S-T segment depression (p less than 0.001), while the opposite was found in patients with crescendo angina. Survival curves up to five years showed that medically treated patients with crescendo angina had a worse long-term prognosis than patients with unstable angina of new onset (p less than 0.01). On the contrary no difference was found between the surgically treated patients of the two groups. Our data suggest that the more diffuse involvement of the coronary tree associated with a more depressed left ventricular function may result in an unfavorable long-term prognosis in patients with crescendo angina as compared to those with unstable angina of new onset. Such a difference between the two groups was abolished by surgical treatment.
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