[Clinical course of ischemic heart disease with intact, according to angiography, coronary arteries].

Clinical analysis was conducted of 61 patients with ischemic heart disease with no stenosing changes in the main coronary arteries as demonstrated by angiography. The severity of the pain syndrome, the frequency of cicatricial changes in the myocardium and the tolerance of physical load were studied. The causes of ischemic heart disease in patients of this group were analysed. The principal importance in the pathogenesis of ischemic heart disease in the absence of morphological changes in the coronary arteries is attributed to spasm and microcirculatory disorders.