Long-term prognosis of “variant” angina with medical treatment |
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Authors: | Silva Severi,Graham Daves,Attilio Maseri,Paolo Marzullo,Antonio L abbate |
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Affiliation: | From the C.N.R. Laboratory of Clinical Physiology and Istituto di Patologia Medica I, University of Pisa, Pisa, Italy |
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Abstract: | One hundred thirty-eight patients with “variant angina” were followed up for periods of 2 to 8 years. All patients had a history of angina at rest, and 42 percent also had exertional angina. Normal coronary arteries were found in 9 of the 107 patients who underwent coronary arteriography; the remainder had stenosis greater than 50 percent in diameter of at least one major vessel. Coronary vasospasm was demonstrated in all 37 patients studied with coronary arteriography during angina at rest. Twenty-eight patients had acute myocardial infarction and five patients died within 1 month of admission to hospital. Of the 133 surviving patients, 120 were treated medically and 13 underwent coronary arterial surgery. In the medically treated group, only seven patients died and only four had acute myocardial infarction during the remainder of the follow-up period. Symptoms became less frequent and less severe; approximately 50 percent of the patients remained completely asymptomatic for at least 12 months by the end of the 4th year. Death, acute myocardial infarction and persistence of symptoms were more frequent in those patients with more severe coronary atherosclerotic disease although, even in this group, the overall incidence of death and acute myocardial infarction was small. It is concluded that the prognosis of patients with “variant” angina receiving appropriate medical therapy is reasonably good after the acute phase, even in the presence of severe coronary atherosclerosis. |
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Keywords: | Address for reprints: Silva Severi MD Laboratorio di Fisiologia Clinica C.N.R. Via Savi 8 56100 Pisa Italy. |
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