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We studied the relationships between albuminuria, tissue factor-induced coagulation, and endothelial cell dysfunction in 67 patients with non-insulin-dependent diabetes mellitus (NIDDM) who were divided into three groups on the basis of their urinary albumin excretion rate (AER). To assess the early phase of tissue factor-induced coagulation, activated factor VII (FVIIa) levels in plasma were measured by a direct fluorogenic assay. As markers of endothelial cell dysfunction, levels of von Willebrand factor (vWF), tissue-type plasminogen activator-plasminogen activator inhibitor-1 (TPA-PAI-1) complex, PAI-1, and tissue factor pathway inhibitor (TFPI) were measured. FVIIa levels were increased in normoalbuminuric NIDDM patients (AER 200 micrograms/min). In all 67 diabetic patients, AER showed a strong positive correlation with FVIIa (r = .574, P < .0001) and a weakly but still significant correlation with FVIIa-FVII:Ag (r = .365, P = .01), vWF (r = .315, P < .01), and TAT (r = .323, P < .01).(ABSTRACT TRUNCATED AT 250 WORDS)
Kario et al. (Tue,) studied this question.