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. 2007 Feb;25(2):423-8.
doi: 10.1097/HJH.0b013e3280112d0e.

C-reactive protein and intercellular adhesion molecule-1 are stronger predictors of oxidant stress than blood pressure in established hypertension

Santina Cottone  1 , Giuseppe Mulè, Emilio Nardi, Anna Vadalà, Maria C Lorito, Marco Guarneri, Rosalia Arsena, Alessandro Palermo, Giovanni Cerasola
Affiliations

C-reactive protein and intercellular adhesion molecule-1 are stronger predictors of oxidant stress than blood pressure in established hypertension

Santina Cottone et al. J Hypertens. 2007 Feb.

Abstract

Background: Oxidant stress is implicated in the pathogenesis of atherosclerosis in cardiovascular diseases. Our aim was to test oxidative stress, as 8-iso-prostaglandin F2alpha (8-iso-PGF2alpha), and its relationship with inflammation markers C-reactive protein (CRP) and tumour necrosis factor-alpha (TNFalpha), and endothelial activation assayed as soluble intercellular adhesion molecule (ICAM)-1 and vascular cell adhesion molecule (VCAM)-1 in essential hypertension.

Methods: In 216 essential hypertensive patients and 55 healthy control individuals, plasma levels of high-sensitivity CRP and TNFalpha, 8-iso-PGF2alpha, ICAM-1 and VCAM-1 were measured in basal conditions. Moreover, basal and 24-h ambulatory blood pressure monitoring measurements were obtained.

Results: Essential hypertensive patients showed higher levels of 8-iso-PGF2alpha (P < 0.0001), high-sensitivity CRP, TNFalpha, ICAM-1 and VCAM-1 (P < 0.001, respectively) than control individuals. In control individuals, 8-iso-PGF2alpha correlated only with high-sensitivity CRP (P < 0.001). In essential hypertensive patients, 8-iso-PGF2alpha correlated with high-sensitivity CRP (P < 0.000001), TNFalpha (P < 0.0001), ICAM-1 (P < 0.000001), VCAM-1 (P < 0.0001) and blood pressure. The multiple regression analysis considering 8-iso-PGF2alpha as the dependent variable showed that in essential hypertensive patients the independent predictors of 8-iso-PGF2alpha were ICAM-1, high-sensitivity CRP (P < 0.00001, respectively), and TNFalpha (P = 0.028).

Conclusion: Our findings demonstrate that oxidant stress is increased in essential hypertension, and relates to inflammation and endothelial activation. Factors other than blood pressure are stronger predictors of oxidant stress.

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