Atheromatous Plaques

Thromboendarterectomy is the standard technique for the treatment of symptomatic occlusive lesions of the common femoral artery. It consists of surgically controlling the artery and interrupting circulation, opening the vessel and removing the atherosclerotic plaque. However, this technique is associated with healing difficulties, postoperative infections, and debilitating incisional pain. The rise of endovascular therapies, particularly at the coronary level, has led to the emergence of new deocclusion techniques, including rotational atherectomy. This technique relies on the use of an intravascular catheter that reams out the atherosclerotic plaque while re-aspirating the resulting debris. A few studies have examined the use of rotational atherectomy for occlusive lesions of the common femoral arteries, but have not evaluated its results compared to the standard treatment. The aim of this multicenter cohort is to describe the efficacy and safety of rotational atherectomy and the standard treatment, thromboendarterectomy, in symptomatic occlusive lesions affecting the common femoral artery.

The present study aims at assessing the ability of 68Ga-NODAGA-RGD PET/CT for the detection of inflammatory atheromatous plaques in the carotid arteries, compared to 18F-FDG PET/CT, MRI and US and to determine the contribution of each imaging technique. Current gold standard for inflammation is histopathology. Hypothesis : 68Ga-NODAGA-RGD might give a better initial evaluation of patients with atheromatous plaques in the carotid artery eligible for endarterectomy.