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In the treatment of acute myocardial infarction infusion of glucose-insulin-potassium (GIP) and/or heparin are frequently administered. The effect of an infusion of GIP, heparin or GIP plus heparin on the concentration of plasma free fatty acids (FFA) and blood glucose was studied over a period of 90 min in 10 healthy volunteers. GIP caused a continuous decrease in the FFA level to 34% of the initial value. There was only a slight increase in blood glucose concentration. After the administration of heparin, a rapid increase was observed in the FFA level to nearly the double value of the initial concentration. Thereafter, the FFA level decreased in spite of continuous heparin infusion and after 90 min the FFA level was only 13% above the initial value. Heparin had no effect on the blood glucose concentration. The simultaneous administration of GIP plus heparin caused a rapid increase in FFA concentration, of the same magnitude as observed with heparin alone. Thereafter, the FFA level decreased slightly faster than with heparin alone. In some subjects, GIP plus heparin caused a substantially higher increase in blood glucose concentration than GIP alone. The possible implications of these metabolic effects on the course of acute myocardial infarction are discussed.

50 patients with different types of hyperlipoproteinaemia were treated with a combination of Mg-chlorophenoxyisobutyrate (700 mg) and mesoinositol-hexanicotinate (500 mg) (Atroplex) twice daily. 7 patients had type IIa, 39 patients type IIb or IV and 4 patients type V. After a period of one month without any treatment the patients were treated during two months. While the effects of this combination on cholesterol of type IIa patients was poor, the drug had an excellent lipid-lowering effect in the patients with type IIb, IV and V. After 14 days' treatment the plasma cholesterol and triglyceride levels in patients of type IIb or IV were significantly lowered. This effect became even more pronounced after one-month treatment. There was no significant difference between the effect of one-month treatment and that of two-month treatment. About two-thirds of the patients of type IIb or IV were responders. No serious side effects could be observed during our study.