Der Einfluß von Kollateralen im Angiogramm auf das Ausmaß der linksventrikulären Schädigung bei koronarer Herzerkrankung

Third symposium on coronary heart disease frankfurt, W. Germany — February 8–11, 1978: Some reflections on coronary heart disease: A personal commentary

“…For the most part, collaterals were demonstrated by this technique where there was 90% reduction in the lumen or complete occlusion (5, 6, 10), but some observers found lesser degrees of narrowing to be significant. At any rate degrees of narrowing less than 50% had no influence (7). Curiously, and yet probably not without direct relevanc·>.…”