The Erysichthon syndrome. Progression of coronary atherosclerosis and dietary hyperlipidemia.

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Abstract
One hundred nineteen patients with coronary artery disease confirmed by coronary arteriograms were studied. Cine coronary arteriography confirmed progression of atherosclerosis in 106 (89%) patients (mean age 50.9 yr) and nonprogression in 13 (11%) patients (mean age 50.3 yr). Progression was defined as follows: any increase to 50% stenosis, 50% to 75% narrowing, 75% to 90%, 90% to 99%, 99% to total occlusion. Only one patient of the 106 who progressed (less than 1%) had ideal values for both cholesterol and triglyceride. Three of 13 patients (23%) who did not progress had ideal lipid values (P less than 0.005). Fifty four of 106 patients who progressed had cholesterol levels greater than or equal to 250 mg%; none of 13 patients who did not progress had such levels (P less than 0.005). Thirty-nine of 98 (40%) patients who progressed had hypertension; only one (8%) who did not progress had hypertension (P less than 0.025). Seventy-four of 96 patients who progressed were smokers (77%); two of 13 nonprogression patients smoked (15%) (P less than 0.005).