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  • Title: The effects of beta-adrenergic blocking agents on blood lipid levels.
    Author: Wolinsky H.
    Journal: Clin Cardiol; 1987 Oct; 10(10):561-6. PubMed ID: 2889552.
    Abstract:
    This review examines the effects of beta-adrenergic blocking agents on blood lipids. These agents have been effective in the treatment of angina and hypertension and in the reduction of recurrence of ischemic cardiac disease, such as myocardial infarction. Many beta blockers, however, have an adverse effect on blood lipids, especially by reducing high-density lipoprotein (HDL) cholesterol and increasing triglycerides. One result is an unfavorable influence on the cholesterol ratio (expressed either as low-density lipoprotein [LDL]/HDL or total cholesterol/HDL). These cholesterol parameters have been shown to have a strong influence on coronary heart disease (CHD) risk. Studies have shown that antihypertensive therapy has reduced the incidence of cerebrovascular disease but, in many instances, has not reduced the incidence of CHD. A hypothesis for this lesser effect on coronary disease is that antihypertensive agents may be adversely affecting blood lipids. Thus, while one major risk factor for CHD is reduced, another may be somewhat enhanced. Pharmacologic properties of some beta blockers such as peripheral alpha blockade (e.g., with labetalol) or intrinsic sympathomimetic activity (ISA) (e.g., with pindolol) may counteract some of these negative lipid effects. An investigational beta blocker, bevantolol, which will be marketed shortly in the United States, has been effective in antihypertensive therapy. Bevantolol has been shown to lower LDL cholesterol and not adversely affect HDL cholesterol; in this way, bevantolol favorably influences the serum lipoprotein profile. Whether this effect will have clinical significance remains to be seen.
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