Diabetes is a risk factor for carotid atherosclerotic whose progression is associated with an increased risk of vascular events. Investigators assessed prospectively by arterial duplex ultrasonography the progression of carotid atherosclerosis in a cohort of people with diabetes to assess the importance of progression and to analyze the impact of this progression on vascular events. The main hypothesis is that people with carotid atherosclerosis progression are at higher risk of vascular events than those without any progression.
Study Type
OBSERVATIONAL
Enrollment
731
Service d'Endocrinologie, Diabète et Maladie de la Nutrition, GH Sud, Hospices Civils de Lyon
Pierre-Bénite, France
Rate of vascular events between day one and the last day of follow-up reviewed by patient examination
Vascular events include ischemic myocardial events, ischemic cerebrovascular events, lower limb ischemia, arterial revascularization procedure
Time frame: Day of the last assessment of carotid atherosclerosis by duplex ultrasonography (between 01/2014 and 09/2016)
Rate of carotid atherosclerosis progression measured by duplex ultrasonography in percentage of stenosis
At each visit, carotid arteries were examined by duplex ultrasonography. The most severe lesion for each patient was selected. Results were classified in three Strandness categories: normal (no atherosclerotic lesions), stenosis \< 50% (systolic ratio Internal Carotid Artery (ICA)/Common Carotid Artery (CCA) \< 2) and stenosis ≥ 50% (systolic ratio ICA/CCA ≥ 2). A progression was the move to a higher category.
Time frame: Day of the last assessment of carotid atherosclerosis by duplex ultrasonography between 01/2014 and 09/2016.
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