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Publications (2)4.17 Total impact

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    ABSTRACT: Few studies have examined the relationship among carotid atherosclerosis, vascular risk factors, and antioxidant plasma concentrations, and those that have reported conflicting results. The aim of this study was to assess the relationship between asymptomatic carotid atherosclerosis, as defined by carotid intima-media thickness (CIMT), and inflammatory markers, plasma lipids and serum antioxidant vitamins. We examined baseline characteristics of the 640 participants in the Asymptomatic Carotid Atherosclerotic Disease In Manfredonia Study. All participants were asymptomatic with respect to carotid artery disease in 2006-2007 and underwent physical examination with carotid ultrasound investigation, the collection of medical history and laboratory data. Analysis of variance methods were used to examine differences between participants by category of CIMT. Of the 640 participants, 291 did not have evidence of carotid atherosclerosis (CIMT<0.8 mm), 232 were found to have some atherosclerosis (0.8 mm< or =CIMT<1.2 mm), and 117 were found to have extensive atherosclerosis (CIMT>1.2 mm). Among participants with CIMT> or =0.8 mm, body mass index, blood pressures, total cholesterol, LDL cholesterol, triglycerides, uric acid, C-reactive protein, and fibrinogen were significantly higher, whereas concentrations of vitamin A, vitamin E, lycopene, and beta-carotene were all significantly lower when compared with participants who did not show evidence of carotid atherosclerosis (P<0.001). The optimal control of hypertension, diabetes, and dyslipidemia, in addition to smoking cessation and an adequate intake of antioxidant micronutrients from foods represent a key for the prevention of atherosclerotic disease.
    European journal of cardiovascular prevention and rehabilitation: official journal of the European Society of Cardiology, Working Groups on Epidemiology & Prevention and Cardiac Rehabilitation and Exercise Physiology 05/2009; 16(3):351-7. · 2.51 Impact Factor
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    ABSTRACT: Atherosclerosis remains clinically mute for a long time and frequently manifests itself with an acute cardiovascular event. The possibility of detecting this disease in a subclinical phase and reducing or reversing its progression is an issue of relevance. Published studies on the association between antioxidant vitamins and carotenoids and carotid intima-media thickness (CIMT) have been inconclusive. We enrolled 220 consecutive, asymptomatic participants. After carotid ultrasound investigation, a medical history was taken, a physical examination was performed and venous blood samples were collected. Venous blood samples were analyzed for concentrations of antioxidant vitamins and carotenoids. Low concentrations of vitamin A (p < 0.01), vitamin E (p < 0.001), lycopene (p < 0.01) and beta-carotene (p < 0.001) were significantly associated with carotid atherosclerosis (CIMT > or = 0.8 mm). In addition, marginally higher body mass index, plasma haemoglobin and high-density lipoprotein cholesterol were also associated with carotid atherosclerosis, while other laboratory parameters considered in this study (total cholesterol, low-density lipoprotein cholesterol, triglycerides and C-reactive protein) were not significantly associated with carotid atherosclerosis. Low plasma concentrations of antioxidant vitamins (A, E, beta-carotene) and lycopene were associated with early carotid atherosclerotic lesions as measured by CIMT. Regular intake of foods rich in lycopene and antioxidant vitamins may slow the progression of atherosclerosis.
    Annals of Nutrition and Metabolism 10/2008; 53(2):86-90. · 1.66 Impact Factor