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PURPOSE To assess baseline and follow-up plasma concentrations of metalloproteinase-9 (MMP-9), MMP-2, and tissue inhibitor of metalloproteinase-2 (TIMP-2) in patients undergoing carotid thromboendarterectomy (TEA) in relation to tissue expression and diagnostic features. BASIC METHODS Using sandwich enzyme-linked immunosorbent assay, plasma levels of(More)
Aneurysms of the sciatic artery are quite rare. In the literature fewer than 100 cases of gluteal aneurysms have been reported; most have arisen from the superior or inferior gluteal artery; only few cases were aneurysms of an anomalous persistent sciatic artery (6 cases diagnosed angiographically and treated). In our own experience, the overall incidence(More)
Inflammatory abdominal aortic aneurysms are characterized by dense perianeurysmal fibrosis involving the adjacent organs. Attempts to isolate the aneurysm can lead to operative injuries of these structures, thus increasing the rates of complications and mortality. In the last 12 years 45 patients with inflammatory abdominal aortic aneurysms underwent(More)
AIM Intraoperative cerebral embolization is a greater concern in patients undergoing carotid-artery stenting (CAS) than in those undergoing the reference standard treatment carotid endarterectomy (CEA). We evaluated cerebral embolism with diffusion-weighted magnetic resonance imaging (DW-MRI) and transcranial Doppler monitoring during CAS and CEA. METHODS(More)
PURPOSE To reduce the rates of morbidity and mortality in aortic graft infection, a new diagnostic approach is needed to help identify low-grade stages, specifically when there are minimal or no clinical signs of overt infection. The aim of this study was to evaluate the role of technetium 99m--hexametazime white blood cell scanning (99mTc scanning) in(More)
We describe popliteal arterial adventitial cystic disease which causes intermittent claudication in a young athletic man, with atypical manifestation, without loss of foot pulses on knee flexion nor murmur in the popliteal fossa. The findings obtained from Magnetic Resonance Imaging were non-diagnostic. The diagnosis resulted from Echo-Doppler(More)
We have studied the kinetics of smooth muscle cell growth in the tunica media of human arteries obtained from 12 patients affected by obstructive vascular disease, and one case operated because of a trauma. The studies were carried out on arterial samples by autoradiography after in vitro labelling with 3H-thymidine. Different patterns of radioactive(More)
Cerebral embolization is still a major concern in patients undergoing transfemoral carotid artery stenting. Intraoperative transcranial Doppler (TCD) monitoring and diffusion-weighted magnetic resonance imaging (DW-MRI), two techniques currently used to study this phenomenon, have provided data suggesting the importance of aortic arch catheterization in(More)
BACKGROUND AND PURPOSE Postoperative diffusion-weighted MR imaging (DWI) often discloses new lesions after carotid artery stent placement (CAS), most of them asymptomatic. Our aim was to investigate the fate of these silent ischemic lesions. MATERIALS AND METHODS We prospectively studied 110 patients undergoing protected transfemoral CAS, 98 of whom(More)