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  • Title: [Myocardial "bridges". A new pathogenetic problem in angina without coronary obstruction (author's transl)].
    Author: Cucchini F, Di Donato M, Marelli GL, Rigatelli G, Volta G, Barbaresi F, Visioli O.
    Journal: G Ital Cardiol; 1976; 6(7):1166-76. PubMed ID: 137826.
    Abstract:
    Six patients showing at coronary angiography normal coronary arteries during dyastole, but a segmental constriction of the left anterior descending artery during systole, were studied. Four of these patients in which the degree of systolic artery narrowing was more evident had typical angina and positive stress test. In two of these cases, a probable idiopathic cardiac hypertrophy was present. The pathogenetic significance of the angiographic findings are discussed, on the basis of common knowledge of coronary physiology and of pathophysiology of angina with normal coronary arteries.
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