Clinical Studies on Ventricular Function by Left Ventricular Angiography : Symposium on Dynamics of Cardia

概要

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In forty-five patients with various heart diseases, geometric changes and time course of wall stress were studied by the use of angiographic technique. 1) Relative wall thickness in diastole was signiflcantly decreased in mitral insufficiency. 2) Ejected fraction was reduced in the cases with ventricular hypertrophy inappropriate to dilatation. 3) Ejected fraction was reduced in the subjects where stress at end-ejection was higher than at the onset of ejection. 4) In left ventricular failure the duration of peak stress was longer and time to peak stress was prolonged . 5) After digitalization, peak stress was lowered and time to peak stress was shortened. 6) To analyze the myocardial contractile state, the time course of wall stress during con-traction can be one of the essential factors, and the systolic ejected fraction might be considered an expression of myocardial condition.
社団法人日本循環器学会の論文
1970-06-20