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  • Title: [Early detection of atherosclerosis with high resolution ultrasound exemplified by type II diabetic patients].
    Author: Enderle MD, Balletshofer BM, Schmülling RM, Häring HU, Pfohl M.
    Journal: Ultraschall Med; 1998 Feb; 19(1):16-21. PubMed ID: 9577888.
    Abstract:
    AIM: Endothelial Dysfunction (ED) is an early functional marker and Intima-Media-Thickness (IMT) an early morphological parameter of atherogenesis. Is there a simple, non-invasive routine method for the identification of atherosclerosis including the detection of the early functional endothelial impairment seen for example in Type 2 diabetic patients? METHODS: Using high resolution ultrasound we studied peripheral endothelial function expressed as flow-associated dilation (FAD %) and endothelial independent vasodilation after administration of 400 micrograms glycerol trinitrate (postnitro %) of the brachial artery as well as IMT of the common carotid artery in 25 Type 2 diabetic patients and their matched controls. RESULTS: (mean +/- SD): The diabetic patients showed a remarkable ED (FAD%: 3.8 +/- 3.3 vs. 6.9 +/- 4.4%, p = 0.01) and an already increased IMT (0.72 +/- 0.14 vs. 0.62 +/- 0.10 mm, p < 0.01). The similar postnitro % in diabetic patients and controls suggests normal dilating capacity of the studied vessels in the diabetic patients (postnitro %: 14.3 +/- 9.4 vs. 14.9 +/- 8.5%, p = ns). CONCLUSION: With a combination of these three sonomorphological parameters it is possible to document the stage of atherosclerosis including endothelial dysfunction in Type 2 diabetic patients.
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