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Article type: Research Article
Authors: Ricci, I. | Sofi, F.; | Liotta, A. Alessandrello | Fedi, S. | Macchi, C. | Pratesi, G. | Pulli, R. | Pratesi, C. | Abbate, R.; | Mannini, L.
Affiliations: Department of Medical and Surgical Critical Care, Thrombosis Centre, University of Florence, Florence, Italy | Azienda Ospedaliero-Universitaria Careggi, Florence, Italy | Don Carlo Gnocchi Foundation, IRCCS, Florence, Italy | Department of Medical and Surgical Critical Care, Unit of Vascular Surgery, University of Florence, Florence, Italy
Note: [] Corresponding author: Ricci Ilaria, BS, Department of Medical and Surgical Critical Care, Thrombosis Centre, University of Florence. Viale Morgagni 85, 50134 Florence, Italy. Tel.: +39 055 7949420; Fax: +39 055 7949418; E-mail: ricciilaria@inwind.it
Abstract: Peripheral arterial disease (PAD), is a common manifestation of systemic atherosclerosis. Advances on the development of such vascular disease have described with a number of novel risk factors. Hyperviscosity, due to alterations of blood cells and plasma components, may play a role on the pathogenesis of the disease. Aim of this study was to evaluate the possible association between hemorheological variables and PAD. The hemorheological variables [whole blood viscosity (WBV), erythrocyte deformability index (DI), plasma viscosity (PLV)] were analyzed in 90 patients and in 180 healthy subjects. WBV and PLV were measured by a Rotational Viscosimeter and DI by a filtrometer. DI and PLV were significantly different in patients as compared to controls. To investigate the possible association between these parameters and the disease we divided the study population into tertiles. At the univariate analysis, we found a significant association between the highest tertiles of PLV, of DI and the disease. A model adjusted for traditional risk factors showed an association between highest tertiles of PLV and PAD. After adjustment for confounding parameters highest tertiles of PLV remained to be significantly associated with the disease. Our data indicate that an alteration of plasma viscosity may modulate the predisposition to PAD.
Keywords: Peripheral arterial disease, hemorheological variables, whole blood viscosity, erythrocyte deformability index, plasma viscosity
DOI: 10.3233/CH-2012-1633
Journal: Clinical Hemorheology and Microcirculation, vol. 55, no. 2, pp. 271-276, 2013
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