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Diabetes and Vascular Disease Research
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Elastic properties and structure of the radial artery in patients with type 2 diabetes

M. Catalano

University of Milan, Milan, Italy, mariella.catalano{at}unimi.it

G. Scandale

University of Milan, Milan, Italy

M. Minola

University of Milan, Milan, Italy

G. Carzaniga

University of Milan, Milan, Italy

M. Carotta

University of Milan, Milan, Italy

E. Perilli

University of Milan, Milan, Italy

G. Dimitrov

University of Milan, Milan, Italy

A. Cortellazzo

University of Milan, Milan, Italy

M. Cinquini

Mario Negri Institute, Milan, Italy

Alterations of elastic properties may contribute to the accelerated atherosclerosis in patients with T2D. Little is known, however, about radial artery distensibility in this patient group. A total of 19 patients with T2D and 19 controls were investigated.An echotracking system coupled to a plethysmograph was used to assess the morphologic and elastic properties of radial artery. Distensibility and compliance were evaluated using Langewouters’ equations. Distensibility and compliance did not differ significantly in patients with diabetes compared with controls. In contrast, radial IMT and WCSA were significantly higher in patients with T2D than in controls. Multiple regression analyses revealed a significant association between SBP and IMT (r2 = 0.40, p<0.001) as well as WCSA (r = 0.54; r2 = 0.30; p<0.001 ) in individuals with diabetes. In conclusion, distensibility and compliance of the radial artery are not reduced in patients with T2D. In contrast, radial IMT and WCSA are significantly higher in patients with T2D than in controls.These modifications are chiefly and positively related to SBP.

Key Words: distensibility • intima-media thickness • radial artery • type 2 diabetes

This version was published on October 1, 2009

Diabetes and Vascular Disease Research, Vol. 6, No. 4, 244-248 (2009)
DOI: 10.1177/1479164109339963
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