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- W2108366891 abstract "Vascular abnormalities are more prevalent in the lower extremities in diabetic patients and may cause diminished perfusion to surrounding tissues. We sought to identify blood flow abnormalities in the leg of diabetic patients with peripheral occlusive arterial disease (POAD) and to determine whether these were associated with abnormalities in rheological determinants, namely, plasma fibrinogen concentration (PFC), relative plasma viscosity (RPV), hematocrit (Hct), and whole blood viscosity (WBV). Seventeen diabetic patients with POAD were compared with 40 diabetic patients without POAD and 19 nondiabetic control subjects. Blood flow was measured by venous occlusion plethysmography, RPV was measured by capillary viscometry, WBV was measured by a Wells-Brooksfield viscometer [at high (230 s(-1)) and low (23 s(-1)) shear rates], and PFC was measured by the clot-weight method of Ingram [Ingram, G. I. C. (1961). A suggested schedule for the rapid investigation of acute haemostatic failure. Journal of Clinical Pathology, 14, 356-360]. Ankle blood flow (Q(ak)) was significantly lower in diabetic patients with POAD than in diabetic patients without POAD (P<.05). PFC was higher and Hct was lower in diabetic patients with POAD than in diabetic patients without POAD (P<.05). RPV was 1.97+/-0.15 versus 1.92+/-0.15 in diabetic patients with POAD and diabetic patients without POAD, respectively (P>.05). There was no significant difference in WBV at low or high shear rates between the groups studied. There was a correlation between WBV at low shear rate and arterial flow in the calf (Q(c)) (r=.94) and great toe (r=.95) in diabetic patients with POAD, and between Q(c) and WBV at high (r=-.465) and low (r=-.472) shear rates in diabetic patients without POAD (P<.05). We conclude that vasodilatation occurring in diabetic patients without POAD is severely restricted or absent in diabetic patients with POAD. Increased plasma fibrinogen and plasma viscosity may contribute to this phenomenon." @default.
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- W2108366891 date "2008-05-01" @default.
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- W2108366891 title "Segmental blood flow and rheological determinants in diabetic patients with peripheral occlusive arterial disease" @default.
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- W2108366891 doi "https://doi.org/10.1016/j.jdiacomp.2006.11.001" @default.
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