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Am J Hypertens. 1999 Jul;12(7):673-81.

Effect of hypertension and its treatment on lipid, lipoprotein(a), fibrinogen, and bilirubin levels in patients referred for dyslipidemia.

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1
Department of Chemical Pathology and Human Metabolism, Royal Free Hospital & School of Medicine, University of London, England.

Abstract

We measured the serum lipid profile, together with plasma fibrinogen and serum lipoprotein(a) (Lp[a]), glucose, bilirubin, and albumin levels in 491 patients (310 men) who were referred for the management of primary dyslipidemia. All these variables have been shown to predict vascular events. The patients were not taking lipid-lowering drugs; hypertension was present in 156 (31.7%) of them. Of the hypertensive patients, 52 (33%) were not receiving any treatment to control their blood pressure. This omission was not due to a lower prevalence of established vascular disease. The treated hypertensives were divided into three groups according to their treatment: 62 were taking lipid-hostile antihypertensives (beta-blockers, thiazides), 37 were taking lipid-neutral antihypertensives (angiotensin converting enzyme inhibitors, Ca-channel blockers, angiotensin II receptor blockers, indapamide sustained release), and five were taking lipid-friendly antihypertensives (doxazosin). Lipid-hostile antihypertensive drugs were associated with a significantly higher fibrinogen concentration when compared with untreated hypertensives or those taking lipid-neutral/lipid-friendly drugs (median values: 383, 353, and 336 mg/dL, respectively; P < .01). Lipid-neutral/lipid-friendly antihypertensive drugs were associated with lower Lp(a) levels when compared with untreated hypertensives (median values: 22 and 45 mg/dL, respectively; P < .05). The serum bilirubin level was significantly lower in the untreated hypertensives when compared with normotensives or the treated hypertensives. There were no significant differences in lipids, glucose, or albumin among the groups of hypertensives or normotensives. The influence of antihypertensive drugs on additional cardiovascular risk factors should be considered when selecting medication to reduce blood pressure.

PMID:
10411364
[Indexed for MEDLINE]
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