Patients with vasospastic angina exhibit a distinct lipid profile characterized by elevated apolipoprotein A-I and A-II levels compared to patients with typical coronary artery disease and controls.
May indicate distinct pathophysiology in vasospastic angina; hypothesis-generating and requires prospective validation before any clinical application.
The primary purpose of the present study was to evaluate the role of lipid and glucose metabolism in vasospastic angina. A group of 93 patients in whom the presence of ischemic heart disease was suggested, were classified into the control (C) group, consisting of 30 patients; the coronary artery disease (CAD) group, consisting of 47 patients; and the vasospastic angina (VSA) group, consisting of 16 patients. Among these three groups, age, total cholesterol (TC), triglyceride (TG), HDL-cholesterol (HDL-C), atherogenic index (AI), apolipoproteins and the prevalence of diabetes mellitus were compared. No age difference was seen among the three groups. The TC was the highest in the CAD group, followed by the VSA and C groups. A significant difference in TC was noted between the C and CAD groups and the C and VSA groups. TG levels were higher in the CAD group than in the C and VSA groups, without a significant difference among the three groups. The AI was significantly higher in the CAD group than in the C and VSA groups. No significant difference was noted in the prevalence of diabetes mellitus among the three groups. Apolipoprotein A-I (apo A-I) levels were higher in the VSA group than in the C and CAD groups, and the difference between the VSA and CAD groups was significant. Apolipoprotein A-II (apo A-II) levels were significantly higher in the VSA group than in the C and CAD groups.(ABSTRACT TRUNCATED AT 250 WORDS)
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Yoshida et al. (1989) studied this question.
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