Abstract:
AIMS:The aim of the study was to determine whether a high dose of atorvastatin lowers blood pressure (BP) in normolipemic patients with well controlled primary arterial hypertension and if this effect is associated with alteration of biomarkers of endothelial function and oxidative stress. In this open-label study, normolipemic patients (n=56) were randomized in the proportion of 2:1 to receive atorvastatin 80 mg daily for 3 months (statin-treated, ST n=39), or to previous therapy (statin-free, SF). BP was measured using a 24-h ambulatory BP measurement device. Plasma levels of 6-keto-PGF(1alpha) (prostacyclin metabolite), serum nitric oxide (NO) and levels of autoantibodies immunoglobulin G against oxidatively modified low-density lipoprotein (ox-LDL) were measured. MAJOR FINDINGS:The mean change in systolic BP and diastolic BP for ST was - 5.7 mmHg (95% CI -4.1 to -7.2 mmHg) and -3.9 mmHg (95% CI -2.7 to -5.0 mmHg), respectively. Hypotensive statin effect was independent of lipid lowering. No change of BP in SF patients was observed. In ST, prostacyclin metabolites and NO concentrations were not significantly increased and autoantibodies against ox-LDL concentrations did not change. In ST, the decrease in BP correlated with increase in NO and decrease in autoantibodies against ox-LDL. PRINCIPAL CONCLUSION:High-dose atorvastatin resulted in reduction of BP independently of lipid-lowering effect, changes in endothelial function and oxidative stress, but it was related to the increase in NO and decrease in autoantibodies against ox-LDL. However, because of the open design of the study, these results should be carefully debated.
journal_name
Blood Pressjournal_title
Blood pressureauthors
Kuklinska AM,Mroczko B,Musial WJ,Sawicki R,Kozieradzka A,Usowicz-Szarynska M,Kaminski K,Knapp M,Szmitkowski Mdoi
10.3109/08037050903576726subject
Has Abstractpub_date
2010-08-01 00:00:00pages
260-6issue
4eissn
0803-7051issn
1651-1999journal_volume
19pub_type
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