Uni- and multifactorial analyses of clinical and angiographic findings were made in 32 patients with coronary heart disease concurrent with the intermediate coronary syndrome and 34 patients with progressive angina pectoris. A complex of clinical and angiographic signs was defined, which enabled these groups of patients to be differentiated. Exercise tolerance was the same in the two groups and related to the severity of coronary artery lesions. The efficacy of the antianginal therapy depended on the angiographic morphology of occlusive changes in the coronary bed and it was less in patients with Type II eccentric stenosis.
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