Abstract
The blood levels of the platelet releasing substances β-TG and PF4 (Platelet factor 4) were determined in arteriotics and healthy individuals. The diseased subjects consisted of 15 patients with myocardial infarction, 18 patients with cerebral infarction, and 27 patients with angina pectoris in average age range 67.6±7.2 years, and the healthy group consisted of 40 individfals with an average age of 37.9±6.4 years. The mean blood levels of β-TG and PF4 for group of arteriotics were 39.5±21.4 ng/ml and 10.4±14.7 ng/ml, respectively, as opposed to the corresponding values of 28.1±6.73 ng/ml and 4.80±1.71 ng/ml for the healthy group. In summary, the blood levels of both β-TG and pF 4 were significantly higher in the arteriotics than the healthy subjects. It shoud be noted, however, that the blood levels of platelet releasing substances were higher in patients with myocardial infarction and cerebral infarction than in healthy subjects, but were not significantly elevated in angina pectoris patients. β-TG and PF 4 were correlated with each other not only in arteriotics but also in healthy subjects.