Risk factors related to inflammation and endothelial dysfunction in the DCCT/EDIC cohort and their relationship with nephropathy and macrovascular complications
Maria F Lopes-Virella, Rickey E Carter, Gregory E Gilbert, Richard L Klein, Miran Jaffa, Alicia J Jenkins, Timothy J Lyons, W Timothy Garvey, Gabriel Virella, Diabetes Control and Complications Trial/Epidemiology of Diabetes Intervention and Complications Cohort Study Group, Maria F Lopes-Virella, Rickey E Carter, Gregory E Gilbert, Richard L Klein, Miran Jaffa, Alicia J Jenkins, Timothy J Lyons, W Timothy Garvey, Gabriel Virella, Diabetes Control and Complications Trial/Epidemiology of Diabetes Intervention and Complications Cohort Study Group
Abstract
Objective: Because endothelial cell dysfunction and inflammation are key contributors to the development of complications in type 1 diabetes, we studied risk factors related to endothelial dysfunction and inflammation (C-reactive protein and fibrinogen, soluble vascular cell adhesion molecule-1, intracellular adhesion molecule-1, and E-selectin, and fibrinolytic markers) in a subgroup of patients from the Diabetes Control and Complications Trial (DCCT)/Epidemiology of Diabetes Intervention and Complications (EDIC) study cohort.
Research design and methods: We determined which of these risk factors or clusters thereof are associated with the presence of and subsequent development of nephropathy and macrovascular complications (reflected by carotid intima-media thickness [IMT]).
Results: After adjustment for conventional risk factors (age, sex, DCCT treatment group, diabetes duration, A1C, systolic blood pressure, waist-to-hip ratio, total and HDL cholesterol, and smoking status), fibrinogen remained strongly associated with progression of internal and common carotid IMT (P < 0.01) and soluble E-selectin had a strong association with nephropathy (P < 0.01).
Conclusions: The best predictor for IMT progression in the DCCT/EDIC cohort was plasma fibrinogen, and the levels of soluble E-selectin discriminate patients with albuminuria better than conventional risk factors.
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Source: PubMed